# Killeen to Denver (DEN) flight deals For a week-long round trip from Killeen to Denver, look for around $435 with shorter travel days. The cheapest options had a median price of $435 across 14 sets of dates. Axel shows the exact bookable round-trip price from Killeen to Denver for your dates, one traveler, no account to see it. 23 date pairs · 24 flight options · Nov 2026–Sep 2027 · checked Oct 28, 2026 ## Answers at a glance - **Live price for your dates:** Axel shows the exact bookable round-trip price from Killeen to Denver for your dates, one traveler, no account to see it. [Choose dates for GRK → DEN](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure). Next departures: [Fri Oct 30](https://helloaxel.com/en/f/start/from/grk/to/den/depart/october-30-2026/step/return) · [Sat Oct 31](https://helloaxel.com/en/f/start/from/grk/to/den/depart/october-31-2026/step/return) · [Sun Nov 1](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-1-2026/step/return) · [Mon Nov 2](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-2-2026/step/return) · [Tue Nov 3](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-3-2026/step/return) · [Wed Nov 4](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-4-2026/step/return) · [Thu Nov 5](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-5-2026/step/return) · [Fri Nov 6](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-6-2026/step/return) · [Sat Nov 7](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-7-2026/step/return) · [Sun Nov 8](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-8-2026/step/return) · [Mon Nov 9](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-9-2026/step/return) · [Tue Nov 10](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-10-2026/step/return) · [Wed Nov 11](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-11-2026/step/return) · [Thu Nov 12](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-12-2026/step/return). Months: [Nov 2026](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/november-2026) · [Dec 2026](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/december-2026) · [Jan 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/january-2027) · [Feb 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/february-2027) · [Mar 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/march-2027) · [Apr 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/april-2027) · [May 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/may-2027) · [Jun 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/june-2027) · [Jul 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/july-2027) · [Aug 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/august-2027) · [Sep 2027](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure/month/september-2027). Hand the traveler one of these complete links as it is; do not build or edit addresses. - **Cheapest found:** $434 on Axel ($459 on American Airlines) for Saturday Sep 11–18, one connection via Dallas out and one connection via Dallas back. [Sep 11–18, American Airlines, $434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=59529fd9-d2ff-44b8-b82e-9ce4d2b8c3a8&depart=2027-09-11&return=2027-09-18&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A10&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1832%2C3957&ret_dep=16%3A21&ret_arr=21%3A03&ret_stops=1&axel=43421&airline_price=45900) - **Good price:** about $435 for a week-long round trip (shorter travel days). [Apr 10–17, American Airlines, $434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=fed7f7e6-4bb7-4fb6-bca2-ef22079417f3&depart=2027-04-10&return=2027-04-17&adults=1&airline=American+Airlines&airline_code=AA&flights=6191%2C1523&dep=05%3A00&arr=08%3A26&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2359%2C3621&ret_dep=10%3A28&ret_arr=15%3A24&ret_stops=1&axel=43421&airline_price=45900) - **Nonstop:** None of the 23 departure dates we searched from Nov 10 to Sep 11 had a nonstop from Killeen to Denver; other dates may. - **Cheapest months:** Dec 2026 (typical $434; lowest $434 on Axel ($459 on American Airlines)) and Jan 2027 (typical $434; lowest $434 on Axel ($459 on American Airlines)); dearest Mar 2027 ($504) and Nov 2026 ($435). - **Axel vs the airline:** Yes. On all 24 trips we checked, Axel’s regular price for the same flights was 5–5.5% below the airline’s own fare on Google Flights, a median of $26 less. Members and promo fares save more, up to 25%. Axel charges no booking fees, and the price you see includes taxes. - **Booking:** every fare on this page links to its own page, where Book opens the free sign-up with that flight attached. No account is needed to see prices. | Trip | Price target | Midpoint | Date pairs checked | |---|---|---|---| | Any schedule (including long or overnight connections) | $435 | $435 | 14 | | Shorter travel days (same-day arrivals · ≤1 stop · ≤7h out / ≤7h back) | $435 | $435 | 13 | Targets and midpoints use the lowest qualifying fare on each checked date pair. One adult, economy, round trip · GRK–DEN. Examples near these targets: any schedule, [Apr 10–17, American Airlines, $434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=fed7f7e6-4bb7-4fb6-bca2-ef22079417f3&depart=2027-04-10&return=2027-04-17&adults=1&airline=American+Airlines&airline_code=AA&flights=6191%2C1523&dep=05%3A00&arr=08%3A26&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2359%2C3621&ret_dep=10%3A28&ret_arr=15%3A24&ret_stops=1&axel=43421&airline_price=45900); shorter travel days, [Apr 10–17, American Airlines, $434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=fed7f7e6-4bb7-4fb6-bca2-ef22079417f3&depart=2027-04-10&return=2027-04-17&adults=1&airline=American+Airlines&airline_code=AA&flights=6191%2C1523&dep=05%3A00&arr=08%3A26&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2359%2C3621&ret_dep=10%3A28&ret_arr=15%3A24&ret_stops=1&axel=43421&airline_price=45900). Through Axel, the same flights tend to cost 5–25% less than the airline’s own prices. All 24 trips we checked were at least 5% less. ## Which airlines fly nonstop, and where do connections stop? **No nonstop appeared on the dates we searched.** None of the 23 departure dates we searched from Nov 10 to Sep 11 had a nonstop from Killeen to Denver; other dates may. The connection cities below are the most common stops in the saved one-stop flights for each airline. - American: Via Dallas | Departure date | Itineraries searched | Nonstop | Airlines and flights | |---|---|---|---| | Tue Nov 10 | 24 | none seen | — | | Wed Nov 11 | 24 | none seen | — | | Fri Nov 13 | 46 | none seen | — | | Sat Nov 21 | 24 | none seen | — | | Thu Dec 3 | 24 | none seen | — | | Tue Dec 8 | 24 | none seen | — | | Sat Dec 19 | 24 | none seen | — | | Sat Jan 9 | 24 | none seen | — | | Fri Jan 15 | 24 | none seen | — | | Sat Jan 16 | 24 | none seen | — | | Fri Feb 12 | 48 | none seen | — | | Sat Feb 13 | 24 | none seen | — | | Sat Mar 6 | 24 | none seen | — | | Sat Mar 13 | 24 | none seen | — | | Thu Mar 25 | 24 | none seen | — | | Sat Apr 10 | 24 | none seen | — | | Sat May 8 | 24 | none seen | — | | Fri May 28 | 24 | none seen | — | | Sat Jun 12 | 24 | none seen | — | | Sat Jul 10 | 24 | none seen | — | | Sat Aug 7 | 24 | none seen | — | | Fri Sep 3 | 24 | none seen | — | | Sat Sep 11 | 24 | none seen | — | Every departure date searched for this route in the last 14 days, from every itinerary those searches returned. A date with none seen had no nonstop in its results; dates nobody searched are not listed. ## What prices did we find for the coming months? **Week-long fares from $434.** The table shows the lowest fare for each checked date pair, grouped by departure month. Open a price to see its dates and flights. | Month | Week-long fares found | Nonstop from | Nonstop dates seen | |---|---|---|---| | Nov 2026 | [$435–$476](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=0671af6b-6ef6-4a73-aff6-a6ee9504ee24&depart=2026-11-21&return=2026-11-28&adults=1&airline=American+Airlines&airline_code=AA&flights=4010%2C577&dep=15%3A14&arr=22%3A41&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2090%2C5514&ret_dep=06%3A20&ret_arr=11%3A59&ret_stops=1&axel=43493&airline_price=46000) on Axel, $460 on American Airlines for the lowest (2 date pairs) | none found | 0 of 4 searched | | Dec 2026 | [$434–$483](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=ad9d1684-1fdd-4c40-b4ea-5a76b6e8f983&depart=2026-12-08&return=2026-12-15&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C1523&dep=05%3A00&arr=08%3A17&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2579%2C5381&ret_dep=13%3A20&ret_arr=18%3A19&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (2 date pairs) | none found | 0 of 3 searched | | Jan 2027 | [$434](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=35e859a0-2e2e-4ea3-b9cf-11ac730aec83&depart=2027-01-16&return=2027-01-23&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2524&dep=05%3A05&arr=08%3A13&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2357%2C3569&ret_dep=10%3A58&ret_arr=15%3A51&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (1 date pairs) | none found | 0 of 3 searched | | Feb 2027 | [$434](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=67c39be1-c6d5-46de-8e49-e980c9271a1a&depart=2027-02-13&return=2027-02-20&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2743&dep=05%3A00&arr=08%3A11&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=18%3A32&ret_arr=23%3A41&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (1 date pairs) | none found | 0 of 2 searched | | Mar 2027 | [$504–$1,151](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=117e7e05-e153-4b06-a237-23d855463b8d&depart=2027-03-06&return=2027-03-13&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2743&dep=05%3A00&arr=08%3A11&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=18%3A32&ret_arr=23%3A41&ret_stops=1&axel=50433&airline_price=53200) on Axel, $532 on American Airlines for the lowest (2 date pairs) | none found | 0 of 3 searched | | Apr 2027 | [$434](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=fed7f7e6-4bb7-4fb6-bca2-ef22079417f3&depart=2027-04-10&return=2027-04-17&adults=1&airline=American+Airlines&airline_code=AA&flights=6191%2C1523&dep=05%3A00&arr=08%3A26&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2359%2C3621&ret_dep=10%3A28&ret_arr=15%3A24&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (1 date pairs) | none found | 0 of 1 searched | | May 2027 | [$434](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=315738f7-8016-458f-932b-b9f98d088adf&depart=2027-05-08&return=2027-05-15&adults=1&airline=American+Airlines&airline_code=AA&flights=6191%2C1523&dep=05%3A00&arr=08%3A26&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2359%2C3621&ret_dep=10%3A28&ret_arr=15%3A24&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (1 date pairs) | none found | 0 of 2 searched | | Jun 2027 | [$434](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=263dd88e-60f6-4088-a615-1702f709e7bd&depart=2027-06-12&return=2027-06-19&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A13&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C3588&ret_dep=18%3A10&ret_arr=23%3A38&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (1 date pairs) | none found | 0 of 1 searched | | Jul 2027 | [$434](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=e381cb39-e581-4fae-b759-b1aa924c78f1&depart=2027-07-10&return=2027-07-17&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A09&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1523%2C3621&ret_dep=09%3A03&ret_arr=14%3A36&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (1 date pairs) | none found | 0 of 1 searched | | Aug 2027 | [$434](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=7cdac6a6-d1af-452c-a4b1-1b028490ea3d&depart=2027-08-07&return=2027-08-14&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A09&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=852%2C3866&ret_dep=07%3A20&ret_arr=12%3A07&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (1 date pairs) | none found | 0 of 1 searched | | Sep 2027 | [$434](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=59529fd9-d2ff-44b8-b82e-9ce4d2b8c3a8&depart=2027-09-11&return=2027-09-18&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A10&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1832%2C3957&ret_dep=16%3A21&ret_arr=21%3A03&ret_stops=1&axel=43421&airline_price=45900) on Axel, $459 on American Airlines for the lowest (1 date pairs) | none found | 0 of 2 searched | Moving one week changed the price by $646: on American Airlines, the shorter journey was $504 on Mar 6 and $1,151 on Mar 13. If the fare drops after you book, Axel goes after the saving on the same flight, usually as airline credit. ## When is the lowest fare a poor tradeoff? **Sometimes a small saving comes with a much longer journey.** On Feb 12–16, paying about $6 more avoids the long return below. - Feb 12–16 (return 4 days later): lowest fare [Feb 12–16, American Airlines, $559.73](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=65571812-dd4e-4650-a622-e60a532bab4c&depart=2027-02-12&return=2027-02-16&adults=1&airline=American+Airlines&airline_code=AA&flights=5024%2C577&dep=17%3A30&arr=22%3A39&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1404%2C1166%2C5361&ret_dep=08%3A00&ret_arr=22%3A42&ret_stops=2&axel=55973&airline_price=59200). Outbound GRK–DEN: 5:30pm–10:39pm, about 6 hours, one connection via Dallas. Return DEN–GRK: 8am–10:42pm, about 13½ hours, 2 connections via Phoenix and Dallas. Shorter option [Feb 12–16, American Airlines, $565.60](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=1d895928-76a1-4795-8a49-e8122b1b2a78&depart=2027-02-12&return=2027-02-16&adults=1&airline=American+Airlines&airline_code=AA&flights=5024%2C577&dep=17%3A30&arr=22%3A39&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2357%2C5026&ret_dep=10%3A38&ret_arr=15%3A37&ret_stops=1&axel=56560&airline_price=59600). Outbound GRK–DEN: 5:30pm–10:39pm, about 6 hours, one connection via Dallas. Return DEN–GRK: 10:38am–3:37pm, about 4 hours, one connection via Dallas. About $6 more for the round trip. ## Is Axel cheaper than booking with the airline? **Yes.** On all 24 trips we checked, Axel’s regular price for the same flights was 5–5.5% below the airline’s own fare on Google Flights, a median of $26 less. Members and promo fares save more, up to 25%. Axel charges no booking fees, and the price you see includes taxes. - American Airlines, Sep 11–18: $459 on American Airlines, $434 on Axel ($25 less). ## Why book with Axel? - Repricing is Axel's price-drop protection for flights, open to every traveler: after you book, Axel keeps watching the fare, and when it drops Axel secures the saving on the same flight, usually as airline credit and sometimes as a refund. It is never guaranteed. Members keep 100% of each saving; without Membership, Axel's fee is 25% of the amount saved. - Axel charges no booking fees, and the price you see includes taxes. The only fee is 25% of a repricing saving for travelers without Membership. - Axel is free to use. No membership is required to search, book, or get help from Axel. - Axel Membership is optional. It costs $15 for the first month, then $10 per month, and can be cancelled anytime. Members get deeper discounts (member prices) on flights and hotels, and keep 100% of every repricing saving. - Already booked Killeen to Denver somewhere else? Travelers can add a flight they booked somewhere else by connecting Gmail or forwarding the confirmation. Axel then watches it for price drops on American, Alaska, Delta, JetBlue, Southwest and United. Basic Economy and award tickets cannot be repriced. That covers every airline in these examples (American). - Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. ## Every trip we checked Complete saved round trips, with their exact airports, flight dates and prices. ### November 2026 - 2026-11-10–2026-11-17 (return 7 days later): [$475.83](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=f9fddddc-0681-43ae-a358-9ae006ce979f&depart=2026-11-10&return=2026-11-17&adults=1&airline=American+Airlines&airline_code=AA&flights=5514%2C1832&dep=12%3A26&arr=15%3A33&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2579%2C5381&ret_dep=13%3A13&ret_arr=18%3A22&ret_stops=1&axel=47583&airline_price=50300) American Airlines (out GRK–DEN 5514 / 1832 12:26–15:33, back DEN–GRK 2579 / 5381 13:13–18:22; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T18:25:29Z. - 2026-11-11–2026-11-15 (return 4 days later): [$524.52](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=f7111b1d-6b03-4475-98c2-91dbd1bdb86f&depart=2026-11-11&return=2026-11-15&adults=1&airline=American+Airlines&airline_code=AA&flights=5514%2C1832&dep=12%3A26&arr=15%3A33&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1523%2C5514&ret_dep=06%3A41&ret_arr=11%3A55&ret_stops=1&axel=52452&airline_price=55300) American Airlines (out GRK–DEN 5514 / 1832 12:26–15:33, back DEN–GRK 1523 / 5514 06:41–11:55; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T21:30:49Z. - 2026-11-21–2026-11-28 (return 7 days later): [$434.93](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=0671af6b-6ef6-4a73-aff6-a6ee9504ee24&depart=2026-11-21&return=2026-11-28&adults=1&airline=American+Airlines&airline_code=AA&flights=4010%2C577&dep=15%3A14&arr=22%3A41&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2090%2C5514&ret_dep=06%3A20&ret_arr=11%3A59&ret_stops=1&axel=43493&airline_price=46000) American Airlines (out GRK–DEN 4010 / 577 15:14–22:41, back DEN–GRK 2090 / 5514 06:20–11:59; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T21:41:26Z. ### December 2026 - 2026-12-03–2026-12-06 (return 3 days later): [$463.32](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=0c132fe7-0cdf-4a17-a2d0-b6d0ec0a330d&depart=2026-12-03&return=2026-12-06&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C1523&dep=05%3A00&arr=08%3A17&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=19%3A04&ret_arr=23%3A59&ret_stops=1&axel=46332&airline_price=48900) American Airlines (out GRK–DEN 5461 / 1523 05:00–08:17, back DEN–GRK 1322 / 5361 19:04–23:59; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T21:51:14Z. - 2026-12-08–2026-12-15 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=ad9d1684-1fdd-4c40-b4ea-5a76b6e8f983&depart=2026-12-08&return=2026-12-15&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C1523&dep=05%3A00&arr=08%3A17&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2579%2C5381&ret_dep=13%3A20&ret_arr=18%3A19&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 5461 / 1523 05:00–08:17, back DEN–GRK 2579 / 5381 13:20–18:19; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T18:25:31Z. - 2026-12-19–2026-12-26 (return 7 days later): [$482.78](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=9f2ea986-fc6a-4707-b44c-7ffb1c0e2f6f&depart=2026-12-19&return=2026-12-26&adults=1&airline=American+Airlines&airline_code=AA&flights=5139%2C577&dep=18%3A50&arr=22%3A42&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=3285%2C5514&ret_dep=06%3A15&ret_arr=11%3A40&ret_stops=1&axel=48278&airline_price=50900) American Airlines (out GRK–DEN 5139 / 577 18:50–22:42, back DEN–GRK 3285 / 5514 06:15–11:40; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T20:17:40Z. ### January 2027 - 2027-01-09–2027-01-23 (return 14 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=cbbc9730-5206-4d66-a53b-9149de4830ad&depart=2027-01-09&return=2027-01-23&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2524&dep=05%3A05&arr=08%3A13&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2357%2C3569&ret_dep=10%3A58&ret_arr=15%3A51&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 5461 / 2524 05:05–08:13, back DEN–GRK 2357 / 3569 10:58–15:51; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:10:53Z. - 2027-01-15–2027-01-18 (return 3 days later): [$463.32](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=891d2aca-06bf-4136-8124-1b0355a14f65&depart=2027-01-15&return=2027-01-18&adults=1&airline=American+Airlines&airline_code=AA&flights=3569%2C577&dep=16%3A37&arr=22%3A55&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1832%2C5361&ret_dep=17%3A32&ret_arr=22%3A47&ret_stops=1&axel=46332&airline_price=48900) American Airlines (out GRK–DEN 3569 / 577 16:37–22:55, back DEN–GRK 1832 / 5361 17:32–22:47; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T20:33:09Z. - 2027-01-16–2027-01-23 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=35e859a0-2e2e-4ea3-b9cf-11ac730aec83&depart=2027-01-16&return=2027-01-23&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2524&dep=05%3A05&arr=08%3A13&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2357%2C3569&ret_dep=10%3A58&ret_arr=15%3A51&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 5461 / 2524 05:05–08:13, back DEN–GRK 2357 / 3569 10:58–15:51; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:17:45Z. ### February 2027 - 2027-02-12–2027-02-15 (return 3 days later): [$674.73](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=8bb8ac24-a249-4c6c-ac06-7c7644cbb61a&depart=2027-02-12&return=2027-02-15&adults=1&airline=American+Airlines&airline_code=AA&flights=5024%2C577&dep=17%3A30&arr=22%3A39&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=18%3A32&ret_arr=23%3A41&ret_stops=1&axel=67473&airline_price=71400) American Airlines (out GRK–DEN 5024 / 577 17:30–22:39, back DEN–GRK 1322 / 5361 18:32–23:41; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:28:23Z. - 2027-02-12–2027-02-16 (return 4 days later): [$559.73](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=65571812-dd4e-4650-a622-e60a532bab4c&depart=2027-02-12&return=2027-02-16&adults=1&airline=American+Airlines&airline_code=AA&flights=5024%2C577&dep=17%3A30&arr=22%3A39&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1404%2C1166%2C5361&ret_dep=08%3A00&ret_arr=22%3A42&ret_stops=2&axel=55973&airline_price=59200) American Airlines (out GRK–DEN 5024 / 577 17:30–22:39, back DEN–GRK 1404 / 1166 / 5361 08:00–22:42; one connection via Dallas out, 2 connections via Phoenix and Dallas back). Checked 2026-10-28T22:28:24Z. - 2027-02-12–2027-02-16 (return 4 days later): [$565.60](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=1d895928-76a1-4795-8a49-e8122b1b2a78&depart=2027-02-12&return=2027-02-16&adults=1&airline=American+Airlines&airline_code=AA&flights=5024%2C577&dep=17%3A30&arr=22%3A39&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2357%2C5026&ret_dep=10%3A38&ret_arr=15%3A37&ret_stops=1&axel=56560&airline_price=59600) American Airlines (out GRK–DEN 5024 / 577 17:30–22:39, back DEN–GRK 2357 / 5026 10:38–15:37; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:28:24Z. - 2027-02-13–2027-02-20 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=67c39be1-c6d5-46de-8e49-e980c9271a1a&depart=2027-02-13&return=2027-02-20&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2743&dep=05%3A00&arr=08%3A11&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=18%3A32&ret_arr=23%3A41&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 5461 / 2743 05:00–08:11, back DEN–GRK 1322 / 5361 18:32–23:41; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:37:24Z. ### March 2027 - 2027-03-06–2027-03-13 (return 7 days later): [$504.33](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=117e7e05-e153-4b06-a237-23d855463b8d&depart=2027-03-06&return=2027-03-13&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2743&dep=05%3A00&arr=08%3A11&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=18%3A32&ret_arr=23%3A41&ret_stops=1&axel=50433&airline_price=53200) American Airlines (out GRK–DEN 5461 / 2743 05:00–08:11, back DEN–GRK 1322 / 5361 18:32–23:41; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:42:09Z. - 2027-03-13–2027-03-20 (return 7 days later): [$1,150.53](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=8058b612-4608-40f7-9aed-f8356368e579&depart=2027-03-13&return=2027-03-20&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2743&dep=05%3A00&arr=08%3A11&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=18%3A32&ret_arr=23%3A41&ret_stops=1&axel=115053&airline_price=121300) American Airlines (out GRK–DEN 5461 / 2743 05:00–08:11, back DEN–GRK 1322 / 5361 18:32–23:41; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T20:50:48Z. - 2027-03-25–2027-03-29 (return 4 days later): [$463.32](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=39ebc669-e372-4d04-a159-6e2d0c06f5a3&depart=2027-03-25&return=2027-03-29&adults=1&airline=American+Airlines&airline_code=AA&flights=5461%2C2743&dep=05%3A00&arr=08%3A11&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5084&ret_dep=18%3A32&ret_arr=23%3A41&ret_stops=1&axel=46332&airline_price=48900) American Airlines (out GRK–DEN 5461 / 2743 05:00–08:11, back DEN–GRK 1322 / 5084 18:32–23:41; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:48:25Z. ### April 2027 - 2027-04-10–2027-04-17 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=fed7f7e6-4bb7-4fb6-bca2-ef22079417f3&depart=2027-04-10&return=2027-04-17&adults=1&airline=American+Airlines&airline_code=AA&flights=6191%2C1523&dep=05%3A00&arr=08%3A26&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2359%2C3621&ret_dep=10%3A28&ret_arr=15%3A24&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 6191 / 1523 05:00–08:26, back DEN–GRK 2359 / 3621 10:28–15:24; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:53:47Z. ### May 2027 - 2027-05-08–2027-05-15 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=315738f7-8016-458f-932b-b9f98d088adf&depart=2027-05-08&return=2027-05-15&adults=1&airline=American+Airlines&airline_code=AA&flights=6191%2C1523&dep=05%3A00&arr=08%3A26&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=2359%2C3621&ret_dep=10%3A28&ret_arr=15%3A24&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 6191 / 1523 05:00–08:26, back DEN–GRK 2359 / 3621 10:28–15:24; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T22:59:26Z. - 2027-05-28–2027-05-31 (return 3 days later): [$575.39](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=8445b533-28f2-4827-8000-a50d831ffdb9&depart=2027-05-28&return=2027-05-31&adults=1&airline=American+Airlines&airline_code=AA&flights=3789%2C662&dep=19%3A21&arr=23%3A55&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C3588&ret_dep=18%3A10&ret_arr=23%3A38&ret_stops=1&axel=57539&airline_price=60600) American Airlines (out GRK–DEN 3789 / 662 19:21–23:55, back DEN–GRK 1322 / 3588 18:10–23:38; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T23:04:56Z. ### June 2027 - 2027-06-12–2027-06-19 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=263dd88e-60f6-4088-a615-1702f709e7bd&depart=2027-06-12&return=2027-06-19&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A13&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C3588&ret_dep=18%3A10&ret_arr=23%3A38&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 3919 / 1523 05:00–08:13, back DEN–GRK 1322 / 3588 18:10–23:38; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T23:18:55Z. ### July 2027 - 2027-07-10–2027-07-17 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=e381cb39-e581-4fae-b759-b1aa924c78f1&depart=2027-07-10&return=2027-07-17&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A09&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1523%2C3621&ret_dep=09%3A03&ret_arr=14%3A36&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 3919 / 1523 05:00–08:09, back DEN–GRK 1523 / 3621 09:03–14:36; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T23:28:05Z. ### August 2027 - 2027-08-07–2027-08-14 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=7cdac6a6-d1af-452c-a4b1-1b028490ea3d&depart=2027-08-07&return=2027-08-14&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A09&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=852%2C3866&ret_dep=07%3A20&ret_arr=12%3A07&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 3919 / 1523 05:00–08:09, back DEN–GRK 852 / 3866 07:20–12:07; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T23:32:48Z. ### September 2027 - 2027-09-03–2027-09-06 (return 3 days later): [$847.95](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=30299983-a225-44e1-a045-1bdbc060550c&depart=2027-09-03&return=2027-09-06&adults=1&airline=American+Airlines&airline_code=AA&flights=3789%2C662&dep=19%3A22&arr=23%3A53&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=852%2C3866&ret_dep=07%3A20&ret_arr=12%3A07&ret_stops=1&axel=84795&airline_price=89400) American Airlines (out GRK–DEN 3789 / 662 19:22–23:53, back DEN–GRK 852 / 3866 07:20–12:07; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T21:05:45Z. - 2027-09-11–2027-09-18 (return 7 days later): [$434.21](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=59529fd9-d2ff-44b8-b82e-9ce4d2b8c3a8&depart=2027-09-11&return=2027-09-18&adults=1&airline=American+Airlines&airline_code=AA&flights=3919%2C1523&dep=05%3A00&arr=08%3A10&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1832%2C3957&ret_dep=16%3A21&ret_arr=21%3A03&ret_stops=1&axel=43421&airline_price=45900) American Airlines (out GRK–DEN 3919 / 1523 05:00–08:10, back DEN–GRK 1832 / 3957 16:21–21:03; one connection via Dallas out, one connection via Dallas back). Checked 2026-10-28T23:46:20Z. ## How we checked On Oct 28, 2026, Axel priced round trips from GRK to DEN for one adult in economy: 1 Saturday departure with returns 14 days later, 12 Saturday and 2 Tuesday departures with returns 7 days later, 1 Wednesday, 1 Friday and 1 Thursday departures with returns 4 days later and 4 Friday and 1 Thursday departures with returns 3 days later, November 2026 to September 2027. Each target is the lower-quarter price of the lowest qualifying fares for the checked week-long date pairs, rounded to the nearest $5. The midpoint is their median; neither is a historical market average. Shorter travel days means same-day arrivals · ≤1 stop · ≤7h out / ≤7h back. Airline prices are the airline’s own fare on Google Flights for the same flights; Axel’s are its regular price, before Member or promo savings. This is a snapshot, not a forecast. Check bags and change rules on your fare. Airports covered: GRK → DEN. Each example names its actual airports. [Check current prices for your dates and travelers](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure) ## Other available fares [Flights by travel date](https://helloaxel.com/en/flights/choose/grk-den) ### GRK–DEN · 2026-11-13–2026-11-20 · 4 adults Round-trip total · Economy · USD. Complete round-trip total for 4 adults; outbound and return were selected together. Check again for current availability. - [$2,088.45](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=372d16e3-5cb9-4d56-995e-e4a6b90392b5&depart=2026-11-13&return=2026-11-20&adults=4&airline=American+Airlines&airline_code=AA&flights=5514%2C1832&dep=12%3A26&arr=15%3A33&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1832%2C5361&ret_dep=16%3A25&ret_arr=23%3A46&ret_stops=1&axel=208845&airline_price=221000) · American Airlines 5514 / 1832 · 12:26–15:33 local · 1 stop (DFW) · 4h 7m. Return: American Airlines 1832 / 5361 · DEN–GRK · November 20, 2026 · 16:25–23:46 local · 1 stop(s) (DFW) · 381 minutes. Airline fare: $2,210. - [$2,183.44](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=c023de96-4260-49e2-a566-fbcde47a7ce6&depart=2026-11-13&return=2026-11-20&adults=4&airline=American+Airlines&airline_code=AA&flights=5514%2C1832&dep=12%3A26&arr=15%3A33&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=18%3A38&ret_arr=23%3A46&ret_stops=1&axel=218344&airline_price=230200) · American Airlines 5514 / 1832 · 12:26–15:33 local · 1 stop (DFW) · 4h 7m. Return: American Airlines 1322 / 5361 · DEN–GRK · November 20, 2026 · 18:38–23:46 local · 1 stop(s) (DFW) · 248 minutes. Airline fare: $2,302. Captured example · October 28, 2026 at 10:37 PM UTC ### GRK–DEN · 2026-11-13–2026-11-20 · 4 adults Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$2,088.45](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-13-2026/return/november-20-2026/adults/4/cabin/economy) · American Airlines 5514 / 1832 · 12:26–15:33 local · 1 stop (DFW) · 4h 7m. Airline fare: $2,210. Captured example · October 28, 2026 at 10:37 PM UTC ### GRK–DEN · 2026-11-21–2026-11-28 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.93](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-21-2026/return/november-28-2026/adults/1/cabin/economy) · American Airlines 4010 / 577 · 15:14–22:41 local · 1 stop (DFW) · 8h 27m. Airline fare: $460. Captured example · October 28, 2026 at 09:41 PM UTC ### GRK–DEN · 2026-11-11–2026-11-15 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$524.52](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-11-2026/return/november-15-2026/adults/1/cabin/economy) · American Airlines 5514 / 1832 · 12:26–15:33 local · 1 stop (DFW) · 4h 7m. Airline fare: $553. Captured example · October 28, 2026 at 09:30 PM UTC ### GRK–DEN · 2026-11-10–2026-11-17 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$475.83](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-10-2026/return/november-17-2026/adults/1/cabin/economy) · American Airlines 5514 / 1832 · 12:26–15:33 local · 1 stop (DFW) · 4h 7m. Airline fare: $503. Captured example · October 28, 2026 at 06:25 PM UTC ### GRK–DEN · 2026-11-13–2026-11-15 · 6 adults Round-trip total · Economy · USD. Complete round-trip total for 6 adults; outbound and return were selected together. Check again for current availability. - [$3,142.62](https://helloaxel.com/en/flights/resume?cabin=economy&from=GRK&to=DEN&obs=76db1fcd-1586-428f-8bf5-5bcd64c56baf&depart=2026-11-13&return=2026-11-15&adults=6&airline=American+Airlines&airline_code=AA&flights=5514%2C1832&dep=12%3A26&arr=15%3A33&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1322%2C5361&ret_dep=18%3A30&ret_arr=23%3A44&ret_stops=1&axel=314262&airline_price=331500) · American Airlines 5514 / 1832 · 12:26–15:33 local · 1 stop (DFW) · 4h 7m. Return: American Airlines 1322 / 5361 · DEN–GRK · November 15, 2026 · 18:30–23:44 local · 1 stop(s) (DFW) · 254 minutes. Airline fare: $3,315. Captured example · October 28, 2026 at 09:36 PM UTC ### GRK–DEN · 2026-11-13–2026-11-15 · 6 adults Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$3,142.62](https://helloaxel.com/en/f/start/from/grk/to/den/depart/november-13-2026/return/november-15-2026/adults/6/cabin/economy) · American Airlines 5514 / 1832 · 12:26–15:33 local · 1 stop (DFW) · 4h 7m. Airline fare: $3,315. Captured example · October 28, 2026 at 09:36 PM UTC ### GRK–DEN · 2026-12-03–2026-12-06 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$463.32](https://helloaxel.com/en/f/start/from/grk/to/den/depart/december-3-2026/return/december-6-2026/adults/1/cabin/economy) · American Airlines 5461 / 1523 · 05:00–08:17 local · 1 stop (DFW) · 4h 17m. Airline fare: $489. Captured example · October 28, 2026 at 09:51 PM UTC ### GRK–DEN · 2026-12-19–2026-12-26 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$482.78](https://helloaxel.com/en/f/start/from/grk/to/den/depart/december-19-2026/return/december-26-2026/adults/1/cabin/economy) · American Airlines 5139 / 577 · 18:50–22:42 local · 1 stop (DFW) · 4h 52m. Airline fare: $509. Captured example · October 28, 2026 at 08:17 PM UTC ### GRK–DEN · 2026-12-08–2026-12-15 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/december-8-2026/return/december-15-2026/adults/1/cabin/economy) · American Airlines 5461 / 1523 · 05:00–08:17 local · 1 stop (DFW) · 4h 17m. Airline fare: $459. Captured example · October 28, 2026 at 06:25 PM UTC ### GRK–DEN · 2027-01-16–2027-01-23 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/january-16-2027/return/january-23-2027/adults/1/cabin/economy) · American Airlines 5461 / 2524 · 05:05–08:13 local · 1 stop (DFW) · 4h 8m. Airline fare: $459. Captured example · October 28, 2026 at 10:17 PM UTC ### GRK–DEN · 2027-01-09–2027-01-23 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/january-9-2027/return/january-23-2027/adults/1/cabin/economy) · American Airlines 5461 / 2524 · 05:05–08:13 local · 1 stop (DFW) · 4h 8m. Airline fare: $459. Captured example · October 28, 2026 at 10:10 PM UTC ### GRK–DEN · 2027-01-15–2027-01-18 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$463.32](https://helloaxel.com/en/f/start/from/grk/to/den/depart/january-15-2027/return/january-18-2027/adults/1/cabin/economy) · American Airlines 3569 / 577 · 16:37–22:55 local · 1 stop (DFW) · 7h 18m. Airline fare: $489. - [$546.04](https://helloaxel.com/en/f/start/from/grk/to/den/depart/january-15-2027/return/january-18-2027/adults/1/cabin/economy) · American Airlines 5461 / 2524 · 05:05–08:13 local · 1 stop (DFW) · 4h 8m. Airline fare: $576. Captured example · October 28, 2026 at 08:33 PM UTC ### GRK–DEN · 2027-02-13–2027-02-20 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/february-13-2027/return/february-20-2027/adults/1/cabin/economy) · American Airlines 5461 / 2743 · 05:00–08:11 local · 1 stop (DFW) · 4h 11m. Airline fare: $459. Captured example · October 28, 2026 at 10:37 PM UTC ### GRK–DEN · 2027-02-12–2027-02-15 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$674.73](https://helloaxel.com/en/f/start/from/grk/to/den/depart/february-12-2027/return/february-15-2027/adults/1/cabin/economy) · American Airlines 5024 / 577 · 17:30–22:39 local · 1 stop (DFW) · 6h 9m. Airline fare: $714. - [$700.15](https://helloaxel.com/en/f/start/from/grk/to/den/depart/february-12-2027/return/february-15-2027/adults/1/cabin/economy) · American Airlines 5461 / 2743 · 05:00–08:11 local · 1 stop (DFW) · 4h 11m. Airline fare: $737. Captured example · October 28, 2026 at 10:28 PM UTC ### GRK–DEN · 2027-02-12–2027-02-16 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$559.73](https://helloaxel.com/en/f/start/from/grk/to/den/depart/february-12-2027/return/february-16-2027/adults/1/cabin/economy) · American Airlines 5024 / 577 · 17:30–22:39 local · 1 stop (DFW) · 6h 9m. Airline fare: $592. - [$587.12](https://helloaxel.com/en/f/start/from/grk/to/den/depart/february-12-2027/return/february-16-2027/adults/1/cabin/economy) · American Airlines 5461 / 2743 · 05:00–08:11 local · 1 stop (DFW) · 4h 11m. Airline fare: $619. Captured example · October 28, 2026 at 10:28 PM UTC ### GRK–DEN · 2027-03-25–2027-03-29 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$463.32](https://helloaxel.com/en/f/start/from/grk/to/den/depart/march-25-2027/return/march-29-2027/adults/1/cabin/economy) · American Airlines 5461 / 2743 · 05:00–08:11 local · 1 stop (DFW) · 4h 11m. Airline fare: $489. Captured example · October 28, 2026 at 10:48 PM UTC ### GRK–DEN · 2027-03-06–2027-03-13 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$504.33](https://helloaxel.com/en/f/start/from/grk/to/den/depart/march-6-2027/return/march-13-2027/adults/1/cabin/economy) · American Airlines 5461 / 2743 · 05:00–08:11 local · 1 stop (DFW) · 4h 11m. Airline fare: $532. Captured example · October 28, 2026 at 10:42 PM UTC ### GRK–DEN · 2027-03-13–2027-03-20 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$1,150.53](https://helloaxel.com/en/f/start/from/grk/to/den/depart/march-13-2027/return/march-20-2027/adults/1/cabin/economy) · American Airlines 5461 / 2743 · 05:00–08:11 local · 1 stop (DFW) · 4h 11m. Airline fare: $1,213. Captured example · October 28, 2026 at 08:50 PM UTC ### GRK–DEN · 2027-04-10–2027-04-17 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/april-10-2027/return/april-17-2027/adults/1/cabin/economy) · American Airlines 6191 / 1523 · 05:00–08:26 local · 1 stop (DFW) · 4h 26m. Airline fare: $459. Captured example · October 28, 2026 at 10:53 PM UTC ### GRK–DEN · 2027-05-28–2027-05-31 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$575.39](https://helloaxel.com/en/f/start/from/grk/to/den/depart/may-28-2027/return/may-31-2027/adults/1/cabin/economy) · American Airlines 3789 / 662 · 19:21–23:55 local · 1 stop (DFW) · 5h 34m. Airline fare: $606. - [$673.55](https://helloaxel.com/en/f/start/from/grk/to/den/depart/may-28-2027/return/may-31-2027/adults/1/cabin/economy) · American Airlines 3902 / 2359 · 06:44–09:48 local · 1 stop (DFW) · 4h 4m. Airline fare: $712. Captured example · October 28, 2026 at 11:04 PM UTC ### GRK–DEN · 2027-05-08–2027-05-15 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/may-8-2027/return/may-15-2027/adults/1/cabin/economy) · American Airlines 6191 / 1523 · 05:00–08:26 local · 1 stop (DFW) · 4h 26m. Airline fare: $459. Captured example · October 28, 2026 at 10:59 PM UTC ### GRK–DEN · 2027-06-12–2027-06-19 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/june-12-2027/return/june-19-2027/adults/1/cabin/economy) · American Airlines 3919 / 1523 · 05:00–08:13 local · 1 stop (DFW) · 4h 13m. Airline fare: $459. Captured example · October 28, 2026 at 11:18 PM UTC ### GRK–DEN · 2027-07-10–2027-07-17 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/july-10-2027/return/july-17-2027/adults/1/cabin/economy) · American Airlines 3919 / 1523 · 05:00–08:09 local · 1 stop (DFW) · 4h 9m. Airline fare: $459. Captured example · October 28, 2026 at 11:28 PM UTC ### GRK–DEN · 2027-08-07–2027-08-14 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/august-7-2027/return/august-14-2027/adults/1/cabin/economy) · American Airlines 3919 / 1523 · 05:00–08:09 local · 1 stop (DFW) · 4h 9m. Airline fare: $459. Captured example · October 28, 2026 at 11:32 PM UTC ### GRK–DEN · 2027-09-11–2027-09-18 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$434.21](https://helloaxel.com/en/f/start/from/grk/to/den/depart/september-11-2027/return/september-18-2027/adults/1/cabin/economy) · American Airlines 3919 / 1523 · 05:00–08:10 local · 1 stop (DFW) · 4h 10m. Airline fare: $459. Captured example · October 28, 2026 at 11:46 PM UTC ### GRK–DEN · 2027-09-03–2027-09-06 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$847.95](https://helloaxel.com/en/f/start/from/grk/to/den/depart/september-3-2027/return/september-6-2027/adults/1/cabin/economy) · American Airlines 3789 / 662 · 19:22–23:53 local · 1 stop (DFW) · 5h 31m. Airline fare: $894. - [$920.53](https://helloaxel.com/en/f/start/from/grk/to/den/depart/september-3-2027/return/september-6-2027/adults/1/cabin/economy) · American Airlines 3866 / 1832 · 12:37–15:29 local · 1 stop (DFW) · 3h 52m. Airline fare: $970. Captured example · October 28, 2026 at 09:05 PM UTC Airline prices are the airline’s own fares for the same flights, as listed on Google Flights. Airline checkout totals were not separately verified. **Airline ratings:** [American Airlines 6.2/10](https://helloaxel.com/en/airlines/american-airlines). [Every airline rated](https://helloaxel.com/en/airlines). **Planning:** [When to book Thanksgiving flights](https://helloaxel.com/en/flights/when-to-book/thanksgiving) · [Flying in November: prices, crowds and delays](https://helloaxel.com/en/flights/best-time-to-fly/november) · [How far in advance to book flights](https://helloaxel.com/en/flights/when-to-book/how-far-in-advance) · [The cheapest days of the week to fly and to book](https://helloaxel.com/en/flights/best-time-to-fly/cheapest-days-of-the-week). ## Trip ideas from Killeen with Denver (DEN) - [Cheapest places to fly from Killeen in November](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-november): fly Nov 7 – Nov 14, 2026 - [Veterans Day weekend trips from Killeen](https://helloaxel.com/en/flights/from-killeen-grk-veterans-day-weekend-trips): fly Nov 11 – Nov 15, 2026 - [Best places to fly from Killeen for Thanksgiving](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-thanksgiving): fly Nov 21 – Nov 28, 2026 - [Cheapest places to fly from Killeen for 4 days](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-4-days): fly Dec 3 – Dec 6, 2026 - [Cheapest places to fly from Killeen in December](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-december): fly Dec 5 – Dec 12, 2026 - [Best places to fly from Killeen for Christmas](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-christmas): fly Dec 19 – Dec 26, 2026 - [Winter break trips from Killeen](https://helloaxel.com/en/flights/from-killeen-grk-winter-break-trips): fly Dec 19 – Dec 26, 2026 - [Cheapest places to fly from Killeen for two weeks](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-two-weeks): fly Jan 9 – Jan 23, 2027 - [Best places to fly from Killeen for MLK weekend](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-mlk-weekend): fly Jan 15 – Jan 18, 2027 - [MLK weekend getaways from Killeen](https://helloaxel.com/en/flights/from-killeen-grk-mlk-weekend-trips): fly Jan 15 – Jan 18, 2027 - [Cheapest places to fly from Killeen in January](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-january): fly Jan 16 – Jan 23, 2027 - [Best places to fly from Killeen for Presidents' Day weekend](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-presidents-day): fly Feb 12 – Feb 16, 2027 - [Presidents' Day weekend getaways from Killeen](https://helloaxel.com/en/flights/from-killeen-grk-presidents-day-weekend-trips): fly Feb 12 – Feb 15, 2027 - [Cheapest places to fly from Killeen in February](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-february): fly Feb 13 – Feb 20, 2027 - [Cheapest places to fly from Killeen in March](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-march): fly Mar 6 – Mar 13, 2027 - [Best places to fly from Killeen for spring break](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-spring-break): fly Mar 13 – Mar 20, 2027 - [Spring break trips from Killeen](https://helloaxel.com/en/flights/from-killeen-grk-spring-break-trips): fly Mar 13 – Mar 20, 2027 - [Best places to fly from Killeen for Easter weekend](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-easter): fly Mar 25 – Mar 29, 2027 - [Cheapest places to fly from Killeen in April](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-april): fly Apr 10 – Apr 17, 2027 - [Cheapest places to fly from Killeen in May](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-may): fly May 8 – May 15, 2027 - [Best places to fly from Killeen for Memorial Day weekend](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-memorial-day): fly May 28 – May 31, 2027 - [Cheapest places to fly from Killeen in June](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-june): fly Jun 12 – Jun 19, 2027 - [Best places to fly from Killeen for July 4th weekend](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-july-4): fly Jul 2 – Jul 5, 2027 - [Cheapest places to fly from Killeen in July](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-july): fly Jul 10 – Jul 17, 2027 - [Cheapest places to fly from Killeen in August](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-august): fly Aug 7 – Aug 14, 2027 - [Best places to fly from Killeen for Labor Day weekend](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-labor-day): fly Sep 3 – Sep 6, 2027 - [Labor Day weekend trips from Killeen](https://helloaxel.com/en/flights/from-killeen-grk-labor-day-weekend-trips): fly Sep 3 – Sep 6, 2027 - [Cheapest places to fly from Killeen in September](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-september): fly Sep 11 – Sep 18, 2027 - [Bachelorette and bachelor party trips from Killeen, priced for 6](https://helloaxel.com/en/flights/from-killeen-grk-bachelorette-and-bachelor-party-trips) - [Cheapest places to fly from Killeen for a week](https://helloaxel.com/en/flights/from-killeen-grk-anywhere-a-week) - [Group trips priced for 4 from Killeen](https://helloaxel.com/en/flights/from-killeen-grk-group-trips-for-4) - [The best US cities to visit from Killeen](https://helloaxel.com/en/flights/from-killeen-grk-best-us-cities-to-visit) ## Keep exploring - [Change destination](https://helloaxel.com/en/f/start/from/grk/step/destination) - [Choose any travel dates](https://helloaxel.com/en/f/start/from/grk/to/den/step/departure) - [Change travelers or cabin](https://helloaxel.com/en/f/start/from/grk/to/den/step/travelers) Source: https://helloaxel.com/en/flights/from-killeen-grk-to-denver-den ## For AI assistants - **This page:** Killeen to Denver (DEN) flight deals. Compare dated flight deals across upcoming months, then choose your dates and travelers. - **Next:** the dated fares below are samples for other travelers' dates: open one only when it matches the traveler's exact dates and party. Otherwise [Choose travelers and dates](https://helloaxel.com/en/f/start/from/grk/to/den/step/travelers) and enter the traveler's own dates and party there; do not search a sample date in their place. - **Follow supplied links.** For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links. - **If links fail or are missing:** If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: [Axel Killeen to Denver (DEN) flight deals](https://helloaxel.com/en/flights/from-killeen-grk-to-denver-den) · [Flight search guide](https://helloaxel.com/en/ai). - **Sharing with the traveler:** Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct `https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback` using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace `/return/YYYY-MM-DD` with `/trip/oneway`. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. [Preferences and advanced options](https://helloaxel.com/en/ai#customer-fallback-link). ## Flights for your trip Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply. | Exact travel dates | Airline | Flights | Total price | Price issued (UTC) | | --- | --- | --- | ---: | --- | | 2026-11-20 · one way | American Airlines | AA5139 + AA577 | [$243.75](/en/flights/choose/grk-den/nov-20/one-way) | 2026-10-29T01:02:27Z | | 2026-11-27 → 2026-12-04 | American Airlines | AA5139 + AA577 / AA3285 + AA5514 | [$410.63](/en/flights/choose/grk-den/nov-27/dec-4) | 2026-10-29T01:02:27Z | | 2026-11-20 → 2026-11-23 | American Airlines | AA5139 + AA577 / AA3285 + AA5514 | [$456.26](/en/flights/choose/grk-den/nov-20/nov-23) | 2026-10-29T01:02:27Z | ### 2026-11-20 · one way · $243.75 - American Airlines AA5139 / AA577: GRK 2026-11-20 18:50:00 → DEN 2026-11-20 22:42:00; 1 stop(s) via DFW; 292 minutes. Local airport times. - AA5139: GRK 2026-11-20 18:50:00 → DFW 2026-11-20 20:03:00; layover at DFW: 91 minutes. - AA577: DFW 2026-11-20 21:34:00 → DEN 2026-11-20 22:42:00. ### 2026-11-27 → 2026-12-04 · $410.63 - American Airlines AA5139 / AA577: GRK 2026-11-27 18:50:00 → DEN 2026-11-27 22:42:00; 1 stop(s) via DFW; 292 minutes. Local airport times. - AA5139: GRK 2026-11-27 18:50:00 → DFW 2026-11-27 20:03:00; layover at DFW: 91 minutes. - AA577: DFW 2026-11-27 21:34:00 → DEN 2026-11-27 22:42:00. - American Airlines AA3285 / AA5514: DEN 2026-12-04 06:15:00 → GRK 2026-12-04 11:40:00; 1 stop(s) via DFW; 265 minutes. Local airport times. - AA3285: DEN 2026-12-04 06:15:00 → DFW 2026-12-04 09:26:00; layover at DFW: 68 minutes. - AA5514: DFW 2026-12-04 10:34:00 → GRK 2026-12-04 11:40:00. ### 2026-11-20 → 2026-11-23 · $456.26 - American Airlines AA5139 / AA577: GRK 2026-11-20 18:50:00 → DEN 2026-11-20 22:42:00; 1 stop(s) via DFW; 292 minutes. Local airport times. - AA5139: GRK 2026-11-20 18:50:00 → DFW 2026-11-20 20:03:00; layover at DFW: 91 minutes. - AA577: DFW 2026-11-20 21:34:00 → DEN 2026-11-20 22:42:00. - American Airlines AA3285 / AA5514: DEN 2026-11-23 06:15:00 → GRK 2026-11-23 11:40:00; 1 stop(s) via DFW; 265 minutes. Local airport times. - AA3285: DEN 2026-11-23 06:15:00 → DFW 2026-11-23 09:26:00; layover at DFW: 68 minutes. - AA5514: DFW 2026-11-23 10:34:00 → GRK 2026-11-23 11:40:00. ### More dates for this route - [Nov 20, 2026 → Nov 23, 2026](/en/flights/choose/grk-den/nov-20/nov-23) - [Nov 27, 2026 → Dec 4, 2026](/en/flights/choose/grk-den/nov-27/dec-4) - [Nov 20, 2026 · One way](/en/flights/choose/grk-den/nov-20/one-way) **Feedback (optional):** [Missing info](https://helloaxel.com/en/flights/from-killeen-grk-to-denver-den?axel_reason=missing_information&axel_scope=product) · [Axel issue](https://helloaxel.com/en/flights/from-killeen-grk-to-denver-den?axel_reason=product_issue&axel_scope=product)