# Knoxville to Dulles (IAD) flight deals For a week-long round trip from Knoxville to Dulles, look for around $220 with shorter travel days, or $175 nonstop. The cheapest nonstop options had a median price of $225 across 4 sets of dates. Axel shows the exact bookable round-trip price from Knoxville to Dulles for your dates, one traveler, no account to see it. 9 date pairs · 10 flight options · Nov 2026–Jun 2027 · checked Oct 28, 2026 ## Answers at a glance - **Live price for your dates:** Axel shows the exact bookable round-trip price from Knoxville to Dulles for your dates, one traveler, no account to see it. [Choose dates for TYS → IAD](https://helloaxel.com/en/f/start/from/tys/to/iad/step/departure). Next departures: [Fri Oct 30](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/october-30-2026/step/return) · [Sat Oct 31](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/october-31-2026/step/return) · [Sun Nov 1](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-1-2026/step/return) · [Mon Nov 2](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-2-2026/step/return) · [Tue Nov 3](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-3-2026/step/return) · [Wed Nov 4](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-4-2026/step/return) · [Thu Nov 5](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-5-2026/step/return) · [Fri Nov 6](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-6-2026/step/return) · [Sat Nov 7](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-7-2026/step/return) · [Sun Nov 8](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-8-2026/step/return) · [Mon Nov 9](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-9-2026/step/return) · [Tue Nov 10](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-10-2026/step/return) · [Wed Nov 11](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-11-2026/step/return) · [Thu Nov 12](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-12-2026/step/return). Months: [Nov 2026](https://helloaxel.com/en/f/start/from/tys/to/iad/step/departure/month/november-2026) · [Dec 2026](https://helloaxel.com/en/f/start/from/tys/to/iad/step/departure/month/december-2026) · [Mar 2027](https://helloaxel.com/en/f/start/from/tys/to/iad/step/departure/month/march-2027) · [Jun 2027](https://helloaxel.com/en/f/start/from/tys/to/iad/step/departure/month/june-2027). Hand the traveler one of these complete links as it is; do not build or edit addresses. - **Cheapest found:** $175 on Axel ($185 on United Airlines) for Tuesday Dec 8–15, nonstop out and nonstop back. [Dec 8–15, United Airlines, $174.91](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=46c85d48-916a-44e1-9e1d-279e29d9a194&depart=2026-12-08&return=2026-12-15&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A45&arr=21%3A25&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A15&ret_arr=23%3A59&ret_stops=0&axel=17491&airline_price=18500) - **Good price:** about $220 for a week-long round trip; nonstop both ways from $175: $175 on Axel ($185 on United Airlines) for Dec 8–15. [Dec 8–15, United Airlines, $174.91](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=46c85d48-916a-44e1-9e1d-279e29d9a194&depart=2026-12-08&return=2026-12-15&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A45&arr=21%3A25&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A15&ret_arr=23%3A59&ret_stops=0&axel=17491&airline_price=18500) - **Nonstop:** In the 8 departure dates we searched from Nov 10 to Jun 26, a nonstop from Knoxville flew on 7: Saturdays 4 of 4, Tuesdays 2 of 2 and Thursdays 1 of 1, and never on the one Friday we searched. The nonstops were United (UA4311, UA4325, UA4848, UA6255, UA4040, UA4387, UA4324). Cheapest nonstop both ways we saved: $175 on Axel ($185 on United Airlines) for Dec 8–15. - **Flight time:** Nonstop takes about 1½ hours to Dulles and about 2 hours back. - **Cheapest months:** Dec 2026 (typical $175; lowest $175 on Axel ($185 on United Airlines)) and Nov 2026 (typical $219; lowest $219 on Axel ($231 on American Airlines / Allegiant Air)); dearest Jun 2027 ($306) and Mar 2027 ($289). - **Axel vs the airline:** Yes. On all 10 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 $14 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) | $220 | $225 | 6 | | Shorter travel days (same-day arrivals · ≤1 stop · ≤4h out / ≤4h back) | $220 | $225 | 5 | | Nonstop both ways (no connections) | $175 | $225 | 4 | Targets and midpoints use the lowest qualifying fare on each checked date pair. One adult, economy, round trip · TYS–IAD. Examples near these targets: any schedule, [Nov 21–28, American Airlines / Allegiant Air, $219.45](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=75b4d0ae-9984-485d-a30c-39f95f545a62&depart=2026-11-21&return=2026-11-28&adults=1&airline=American+Airlines&airline_code=AA&flights=6343%2C1473&dep=18%3A05&arr=22%3A01&stops=1&ret_airline=Allegiant+Air&ret_airline_code=G4&ret_flights=3007&ret_dep=16%3A22&ret_arr=17%3A54&ret_stops=0&axel=21945&airline_price=23100); shorter travel days, [Nov 21–28, American Airlines / Allegiant Air, $219.45](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=75b4d0ae-9984-485d-a30c-39f95f545a62&depart=2026-11-21&return=2026-11-28&adults=1&airline=American+Airlines&airline_code=AA&flights=6343%2C1473&dep=18%3A05&arr=22%3A01&stops=1&ret_airline=Allegiant+Air&ret_airline_code=G4&ret_flights=3007&ret_dep=16%3A22&ret_arr=17%3A54&ret_stops=0&axel=21945&airline_price=23100); nonstop both ways, [Dec 8–15, United Airlines, $174.91](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=46c85d48-916a-44e1-9e1d-279e29d9a194&depart=2026-12-08&return=2026-12-15&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A45&arr=21%3A25&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A15&ret_arr=23%3A59&ret_stops=0&axel=17491&airline_price=18500). Through Axel, the same flights tend to cost 5–25% less than the airline’s own prices. All 10 trips we checked were at least 5% less. ## Which airlines fly nonstop, and where do connections stop? **Yes, United flies it nonstop.** Nonstop takes about 1½ hours to Dulles and about 2 hours back. In the 8 departure dates we searched from Nov 10 to Jun 26, a nonstop from Knoxville flew on 7: Saturdays 4 of 4, Tuesdays 2 of 2 and Thursdays 1 of 1, and never on the one Friday we searched. The nonstops were United (UA4311, UA4325, UA4848, UA6255, UA4040, UA4387, UA4324). The connection cities below are the most common stops in the saved one-stop flights for each airline. - Allegiant: Nonstop to Knoxville - United: Nonstop - American: Via Charlotte - Delta: Via Atlanta | Departure date | Itineraries searched | Nonstop | Airlines and flights | |---|---|---|---| | Tue Nov 10 | 24 | yes, both ways | United UA4311, UA4325, UA4848, UA6255 | | Sat Nov 21 | 24 | yes | United UA4311, UA4325, UA4848 | | Thu Dec 3 | 24 | yes, both ways | United UA4040, UA4325 | | Fri Dec 4 | 24 | none seen | — | | Tue Dec 8 | 24 | yes, both ways | United UA4040, UA4325, UA4848 | | Sat Dec 19 | 127 | yes, both ways | United UA4040, UA4311, UA4325, UA4848 | | Sat Mar 13 | 24 | yes, both ways | United UA4040, UA4325, UA4387, UA4848 | | Sat Jun 26 | 24 | yes | United UA4324, UA4325 | 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 $175.** 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 | [$219–$226](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=75b4d0ae-9984-485d-a30c-39f95f545a62&depart=2026-11-21&return=2026-11-28&adults=1&airline=American+Airlines&airline_code=AA&flights=6343%2C1473&dep=18%3A05&arr=22%3A01&stops=1&ret_airline=Allegiant+Air&ret_airline_code=G4&ret_flights=3007&ret_dep=16%3A22&ret_arr=17%3A54&ret_stops=0&axel=21945&airline_price=23100) on Axel, $231 on American Airlines / Allegiant Air for the lowest (2 date pairs) | [Nov 10–17, United Airlines, $226.09](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=b2397d13-75de-4158-8d15-a8918a63fe0b&depart=2026-11-10&return=2026-11-17&adults=1&airline=United+Airlines&airline_code=UA&flights=6255&dep=19%3A35&arr=21%3A15&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A12&ret_arr=23%3A59&ret_stops=0&axel=22609&airline_price=23900) | 2 of 2 searched | | Dec 2026 | [$175–$328](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=46c85d48-916a-44e1-9e1d-279e29d9a194&depart=2026-12-08&return=2026-12-15&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A45&arr=21%3A25&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A15&ret_arr=23%3A59&ret_stops=0&axel=17491&airline_price=18500) on Axel, $185 on United Airlines for the lowest (2 date pairs) | [Dec 8–15, United Airlines, $174.91](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=46c85d48-916a-44e1-9e1d-279e29d9a194&depart=2026-12-08&return=2026-12-15&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A45&arr=21%3A25&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A15&ret_arr=23%3A59&ret_stops=0&axel=17491&airline_price=18500) | 3 of 4 searched | | Mar 2027 | [$289](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=d5852cd2-d1f3-4f4b-9ad2-8f21e2d34a9f&depart=2027-03-13&return=2027-03-20&adults=1&airline=United+Airlines&airline_code=UA&flights=4325&dep=10%3A16&arr=11%3A51&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4070&ret_dep=13%3A02&ret_arr=14%3A50&ret_stops=0&axel=28932&airline_price=30600) on Axel, $306 on United Airlines for the lowest (1 date pairs) | [Mar 13–20, United Airlines, $289.32](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=d5852cd2-d1f3-4f4b-9ad2-8f21e2d34a9f&depart=2027-03-13&return=2027-03-20&adults=1&airline=United+Airlines&airline_code=UA&flights=4325&dep=10%3A16&arr=11%3A51&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4070&ret_dep=13%3A02&ret_arr=14%3A50&ret_stops=0&axel=28932&airline_price=30600) | 1 of 1 searched | | Jun 2027 | [$306](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=fe250967-5592-449d-9378-3804de2fc91a&depart=2027-06-26&return=2027-07-03&adults=1&airline=American+Airlines&airline_code=AA&flights=5957%2C2253&dep=19%3A59&arr=23%3A59&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=3073%2C5019&ret_dep=20%3A22&ret_arr=23%3A51&ret_stops=1&axel=30620&airline_price=32300) on Axel, $323 on American Airlines for the lowest (1 date pairs) | none found | 1 of 1 searched | ## Do I need a connection to get the lowest price? **Usually not in these examples.** A nonstop was also the lowest-priced trip on 4 of 4 checked week-long date pairs with a nonstop option. Start with nonstop fares before accepting a connection. - [Dec 8–15, United Airlines, $174.91](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=46c85d48-916a-44e1-9e1d-279e29d9a194&depart=2026-12-08&return=2026-12-15&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A45&arr=21%3A25&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A15&ret_arr=23%3A59&ret_stops=0&axel=17491&airline_price=18500): Outbound TYS–IAD: 7:45pm–9:25pm, about 1½ hours, nonstop. Return IAD–TYS: 10:15pm–11:59pm, about 1½ hours, nonstop. Flight numbers: 4040 out; 4304 back. $174.91 on Axel; $185 airline fare for the same flights and traveler, from Google Flights. - [Nov 10–17, United Airlines, $226.09](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=b2397d13-75de-4158-8d15-a8918a63fe0b&depart=2026-11-10&return=2026-11-17&adults=1&airline=United+Airlines&airline_code=UA&flights=6255&dep=19%3A35&arr=21%3A15&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A12&ret_arr=23%3A59&ret_stops=0&axel=22609&airline_price=23900): Outbound TYS–IAD: 7:35pm–9:15pm, about 1½ hours, nonstop. Return IAD–TYS: 10:12pm–11:59pm, about 2 hours, nonstop. Flight numbers: 6255 out; 4304 back. $226.09 on Axel; $239 airline fare for the same flights and traveler, from Google Flights. ## Is Axel cheaper than booking with the airline? **Yes.** On all 10 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 $14 less. Members and promo fares save more, up to 25%. Axel charges no booking fees, and the price you see includes taxes. - United Airlines nonstop, Dec 8–15: $185 on United Airlines, $175 on Axel ($10 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 Knoxville to Dulles 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. On this route that covers United, Delta and 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): [$226.09](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=b2397d13-75de-4158-8d15-a8918a63fe0b&depart=2026-11-10&return=2026-11-17&adults=1&airline=United+Airlines&airline_code=UA&flights=6255&dep=19%3A35&arr=21%3A15&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A12&ret_arr=23%3A59&ret_stops=0&axel=22609&airline_price=23900) United Airlines (out TYS–IAD 6255 19:35–21:15, back IAD–TYS 4304 22:12–23:59; nonstop out, nonstop back). Checked 2026-10-28T18:21:11Z. - 2026-11-21–2026-11-28 (return 7 days later): [$219.45](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=75b4d0ae-9984-485d-a30c-39f95f545a62&depart=2026-11-21&return=2026-11-28&adults=1&airline=American+Airlines&airline_code=AA&flights=6343%2C1473&dep=18%3A05&arr=22%3A01&stops=1&ret_airline=Allegiant+Air&ret_airline_code=G4&ret_flights=3007&ret_dep=16%3A22&ret_arr=17%3A54&ret_stops=0&axel=21945&airline_price=23100) American Airlines / Allegiant Air (out TYS–IAD 6343 / 1473 18:05–22:01, back IAD–TYS 3007 16:22–17:54; one connection via Charlotte out, nonstop back). Checked 2026-10-28T23:11:43Z. - 2026-11-21–2026-11-28 (return 7 days later): [$379.94](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=e6584811-8acb-4d8e-8b7e-88512df588d3&depart=2026-11-21&return=2026-11-28&adults=1&airline=American+Airlines&airline_code=AA&flights=6343%2C1473&dep=18%3A05&arr=22%3A01&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=1637%2C6018&ret_dep=06%3A00&ret_arr=10%3A33&ret_stops=1&axel=37994&airline_price=40100) American Airlines (out TYS–IAD 6343 / 1473 18:05–22:01, back IAD–TYS 1637 / 6018 06:00–10:33; one connection via Charlotte out, one connection via Charlotte back). Checked 2026-10-28T23:11:43Z. ### December 2026 - 2026-12-03–2026-12-06 (return 3 days later): [$212.35](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=25b8a728-8b5e-4fd7-9689-9e84560ab410&depart=2026-12-03&return=2026-12-06&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A45&arr=21%3A25&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A15&ret_arr=23%3A59&ret_stops=0&axel=21235&airline_price=22400) United Airlines (out TYS–IAD 4040 19:45–21:25, back IAD–TYS 4304 22:15–23:59; nonstop out, nonstop back). Checked 2026-10-28T23:12:43Z. - 2026-12-04–2026-12-06 (return 2 days later): [$248.53](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=ae65cf4c-b2ae-49de-ae25-e4b1b7ef3c30&depart=2026-12-04&return=2026-12-06&adults=1&airline=Delta+Air+Lines&airline_code=DL&flights=1743%2C1695&dep=12%3A32&arr=16%3A02&stops=1&ret_airline=Delta+Air+Lines&ret_airline_code=DL&ret_flights=2327%2C4666&ret_dep=06%3A00&ret_arr=10%3A01&ret_stops=1&axel=24853&airline_price=26300) Delta Air Lines (out TYS–IAD 1743 / 1695 12:32–16:02, back IAD–TYS 2327 / 4666 06:00–10:01; one connection via Atlanta out, one connection via Atlanta back). Checked 2026-10-28T21:54:46Z. - 2026-12-08–2026-12-15 (return 7 days later): [$174.91](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=46c85d48-916a-44e1-9e1d-279e29d9a194&depart=2026-12-08&return=2026-12-15&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A45&arr=21%3A25&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A15&ret_arr=23%3A59&ret_stops=0&axel=17491&airline_price=18500) United Airlines (out TYS–IAD 4040 19:45–21:25, back IAD–TYS 4304 22:15–23:59; nonstop out, nonstop back). Checked 2026-10-28T18:21:11Z. - 2026-12-19–2026-12-26 (return 7 days later): [$327.83](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=bc7dd6a9-bf7f-4b38-a4a2-e753db2e4aea&depart=2026-12-19&return=2026-12-26&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A35&arr=21%3A15&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4304&ret_dep=22%3A21&ret_arr=00%3A15%2B1&ret_stops=0&axel=32783&airline_price=34600) United Airlines (out TYS–IAD 4040 19:35–21:15, back IAD–TYS 4304 22:21–00:15+1; nonstop out, nonstop back). Arrive home Dec 27. Checked 2026-10-28T23:13:25Z. - 2026-12-19–2027-01-17 (return 29 days later): [$236.50](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=f76a9052-db5c-4932-82cb-1677933614f9&depart=2026-12-19&return=2027-01-17&adults=1&airline=United+Airlines&airline_code=UA&flights=4040&dep=19%3A35&arr=21%3A15&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4070&ret_dep=12%3A55&ret_arr=14%3A47&ret_stops=0&axel=23650&airline_price=25000) United Airlines (out TYS–IAD 4040 19:35–21:15, back IAD–TYS 4070 12:55–14:47; nonstop out, nonstop back). Checked 2026-10-28T16:15:34Z. ### January 2027 ### February 2027 ### March 2027 - 2027-03-13–2027-03-20 (return 7 days later): [$289.32](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=d5852cd2-d1f3-4f4b-9ad2-8f21e2d34a9f&depart=2027-03-13&return=2027-03-20&adults=1&airline=United+Airlines&airline_code=UA&flights=4325&dep=10%3A16&arr=11%3A51&stops=0&ret_airline=United+Airlines&ret_airline_code=UA&ret_flights=4070&ret_dep=13%3A02&ret_arr=14%3A50&ret_stops=0&axel=28932&airline_price=30600) United Airlines (out TYS–IAD 4325 10:16–11:51, back IAD–TYS 4070 13:02–14:50; nonstop out, nonstop back). Checked 2026-10-28T23:14:18Z. ### April 2027 ### May 2027 ### June 2027 - 2027-06-26–2027-07-03 (return 7 days later): [$306.20](https://helloaxel.com/en/flights/resume?cabin=economy&from=TYS&to=IAD&obs=fe250967-5592-449d-9378-3804de2fc91a&depart=2027-06-26&return=2027-07-03&adults=1&airline=American+Airlines&airline_code=AA&flights=5957%2C2253&dep=19%3A59&arr=23%3A59&stops=1&ret_airline=American+Airlines&ret_airline_code=AA&ret_flights=3073%2C5019&ret_dep=20%3A22&ret_arr=23%3A51&ret_stops=1&axel=30620&airline_price=32300) American Airlines (out TYS–IAD 5957 / 2253 19:59–23:59, back IAD–TYS 3073 / 5019 20:22–23:51; one connection via Charlotte out, one connection via Charlotte back). Checked 2026-10-28T23:15:46Z. ## How we checked On Oct 28, 2026, Axel priced round trips from TYS to IAD for one adult in economy: 1 Saturday departure with returns 29 days later, 4 Saturday and 2 Tuesday departures with returns 7 days later, 1 Thursday departure with returns 3 days later and 1 Friday departure with returns 2 days later, November 2026 to June 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 · ≤4h out / ≤4h 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: TYS → IAD. Each example names its actual airports. [Check current prices for your dates and travelers](https://helloaxel.com/en/f/start/from/tys/to/iad/step/departure) ## Other available fares [Flights by travel date](https://helloaxel.com/en/flights/choose/tys-iad) ### TYS–IAD · 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. - [$219.45](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-21-2026/return/november-28-2026/adults/1/cabin/economy) · American Airlines 6343 / 1473 · 18:05–22:01 local · 1 stop (CLT) · 3h 56m. Airline fare: $231. - [$223.61](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-21-2026/return/november-28-2026/adults/1/cabin/economy) · United Airlines 4325 · 09:45–11:28 local · Nonstop · 1h 43m. Airline fare: $236. Captured example · October 28, 2026 at 11:11 PM UTC ### TYS–IAD · 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. - [$226.09](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-10-2026/return/november-17-2026/adults/1/cabin/economy) · United Airlines 6255 · 19:35–21:15 local · Nonstop · 1h 40m. Airline fare: $239. - [$245.27](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-10-2026/return/november-17-2026/adults/1/cabin/economy) · Delta Air Lines 3015 / 1324 · 05:40–09:09 local · 1 stop (ATL) · 3h 29m. Airline fare: $259. - [$245.27](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/november-10-2026/return/november-17-2026/adults/1/cabin/economy) · American Airlines 5191 / 5332 · 06:01–10:11 local · 1 stop (CLT) · 4h 10m. Airline fare: $259. Captured example · October 28, 2026 at 06:21 PM UTC ### TYS–IAD · 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. - [$327.83](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-19-2026/return/december-26-2026/adults/1/cabin/economy) · United Airlines 4040 · 19:35–21:15 local · Nonstop · 1h 40m. Airline fare: $346. - [$501.60](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-19-2026/return/december-26-2026/adults/1/cabin/economy) · American Airlines 6077 / 5549 · 18:05–22:13 local · 1 stop (CLT) · 4h 8m. Airline fare: $528. Captured example · October 28, 2026 at 11:13 PM UTC ### TYS–IAD · 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. - [$212.35](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-3-2026/return/december-6-2026/adults/1/cabin/economy) · United Airlines 4040 · 19:45–21:25 local · Nonstop · 1h 40m. Airline fare: $224. - [$231.55](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-3-2026/return/december-6-2026/adults/1/cabin/economy) · Delta Air Lines 1743 / 1695 · 12:32–16:02 local · 1 stop (ATL) · 3h 30m. Airline fare: $244. - [$264.49](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-3-2026/return/december-6-2026/adults/1/cabin/economy) · American Airlines 6437 / 1473 · 18:02–22:05 local · 1 stop (CLT) · 4h 3m. Airline fare: $279. Captured example · October 28, 2026 at 11:12 PM UTC ### TYS–IAD · 2026-12-04–2026-12-06 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$248.53](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-4-2026/return/december-6-2026/adults/1/cabin/economy) · Delta Air Lines 1743 / 1695 · 12:32–16:02 local · 1 stop (ATL) · 3h 30m. Airline fare: $263. - [$267.71](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-4-2026/return/december-6-2026/adults/1/cabin/economy) · American Airlines 6437 / 1473 · 18:02–22:05 local · 1 stop (CLT) · 4h 3m. Airline fare: $283. Captured example · October 28, 2026 at 09:54 PM UTC ### TYS–IAD · 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. - [$174.91](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-8-2026/return/december-15-2026/adults/1/cabin/economy) · United Airlines 4040 · 19:45–21:25 local · Nonstop · 1h 40m. Airline fare: $185. - [$194.03](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/december-8-2026/return/december-15-2026/adults/1/cabin/economy) · Delta Air Lines 1148 / 1309 · 16:01–20:11 local · 1 stop (ATL) · 4h 10m. Airline fare: $205. Captured example · October 28, 2026 at 06:21 PM UTC ### TYS–IAD · 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. - [$289.32](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/march-13-2027/return/march-20-2027/adults/1/cabin/economy) · United Airlines 4325 · 10:16–11:51 local · Nonstop · 1h 35m. Airline fare: $306. - [$306.20](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/march-13-2027/return/march-20-2027/adults/1/cabin/economy) · Delta Air Lines 1694 / 2902 · 14:25–18:26 local · 1 stop (ATL) · 4h 1m. Airline fare: $323. Captured example · October 28, 2026 at 11:14 PM UTC ### TYS–IAD · 2027-06-26–2027-07-03 · 1 adult Round-trip starting price · Economy · USD. Round-trip starting prices; outbound options shown. The final total depends on return selection and availability. - [$306.20](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/june-26-2027/return/july-3-2027/adults/1/cabin/economy) · American Airlines 5957 / 2253 · 19:59–23:59 local · 1 stop (CLT) · 4h 0m. Airline fare: $323. - [$378.45](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/june-26-2027/return/july-3-2027/adults/1/cabin/economy) · United Airlines 4325 · 10:16–11:51 local · Nonstop · 1h 35m. Airline fare: $399. - [$466.13](https://helloaxel.com/en/f/start/from/tys/to/iad/depart/june-26-2027/return/july-3-2027/adults/1/cabin/economy) · Delta Air Lines 3220 / 2902 · 14:30–18:26 local · 1 stop (ATL) · 3h 56m. Airline fare: $493. Captured example · October 28, 2026 at 11:15 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:** [United Airlines 6.4/10](https://helloaxel.com/en/airlines/united-airlines) · [American Airlines 6.2/10](https://helloaxel.com/en/airlines/american-airlines) · [Delta Air Lines 7.5/10](https://helloaxel.com/en/airlines/delta-air-lines) · [Allegiant Air 5.9/10](https://helloaxel.com/en/airlines/allegiant-air). [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 Knoxville with Dulles (IAD) - [Flights from Knoxville to the Northeast in fall](https://helloaxel.com/en/flights/from-knoxville-tys-northeast-fall): fly Nov 7 – Nov 14, 2026 - [Flights from Knoxville to the Northeast for Thanksgiving](https://helloaxel.com/en/flights/from-knoxville-tys-northeast-thanksgiving): fly Nov 21 – Nov 28, 2026 - [Flights from Knoxville to the Northeast for 4 days](https://helloaxel.com/en/flights/from-knoxville-tys-northeast-4-days): fly Dec 3 – Dec 6, 2026 - [Flights from Knoxville to the Northeast for 3 days](https://helloaxel.com/en/flights/from-knoxville-tys-northeast-3-days): fly Dec 4 – Dec 6, 2026 - [Flights from Knoxville to the Northeast for Christmas](https://helloaxel.com/en/flights/from-knoxville-tys-northeast-christmas): fly Dec 19 – Dec 26, 2026 - [Flights from Knoxville to the Northeast for spring break](https://helloaxel.com/en/flights/from-knoxville-tys-northeast-spring-break): fly Mar 13 – Mar 20, 2027 - [Flights from Knoxville to the Northeast in summer](https://helloaxel.com/en/flights/from-knoxville-tys-northeast-summer): fly Jun 26 – Jul 3, 2027 - [Flights from Knoxville to the Northeast for a week](https://helloaxel.com/en/flights/from-knoxville-tys-northeast-a-week) ## Keep exploring - [Change destination](https://helloaxel.com/en/f/start/from/tys/step/destination) - [Choose any travel dates](https://helloaxel.com/en/f/start/from/tys/to/iad/step/departure) - [Change travelers or cabin](https://helloaxel.com/en/f/start/from/tys/to/iad/step/travelers) Source: https://helloaxel.com/en/flights/from-knoxville-tys-to-dulles-iad ## For AI assistants - **This page:** Knoxville to Dulles (IAD) 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/tys/to/iad/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 Knoxville to Dulles (IAD) flight deals](https://helloaxel.com/en/flights/from-knoxville-tys-to-dulles-iad) · [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 | United Airlines | UA6255 | [$170.00](/en/flights/choose/tys-iad/nov-20/one-way) | 2026-10-29T01:30:55Z | | 2026-11-20 → 2026-11-23 | United Airlines | UA4325 / UA4304 | [$320.00](/en/flights/choose/tys-iad/nov-20/nov-23) | 2026-10-29T01:30:55Z | | 2026-11-20 · one way | American Airlines | AA6343 + AA1473 | [$175.00](/en/flights/choose/tys-iad/nov-20/one-way) | 2026-10-29T01:30:55Z | | 2026-11-20 · one way | Delta Air Lines | DL4666 + DL1695 | [$185.00](/en/flights/choose/tys-iad/nov-20/one-way) | 2026-10-29T01:30:55Z | | 2026-11-20 → 2026-11-23 | American Airlines | AA6343 + AA1473 / AA1637 + AA6018 | [$330.00](/en/flights/choose/tys-iad/nov-20/nov-23) | 2026-10-29T01:30:55Z | | 2026-11-20 → 2026-11-23 | Delta Air Lines | DL4666 + DL1695 / DL1444 + DL2571 | [$350.00](/en/flights/choose/tys-iad/nov-20/nov-23) | 2026-10-29T01:30:55Z | | 2026-11-27 → 2026-12-04 | United Airlines | UA4325 / UA4304 | [$360.00](/en/flights/choose/tys-iad/nov-27/dec-4) | 2026-10-29T01:30:55Z | | 2026-11-20 · one way | United Airlines | UA4325 | [$170.00](/en/flights/choose/tys-iad/nov-20/one-way) | 2026-10-29T01:30:55Z | | 2026-11-20 → 2026-11-23 | United Airlines | UA6255 / UA4304 | [$320.00](/en/flights/choose/tys-iad/nov-20/nov-23) | 2026-10-29T01:30:55Z | | 2026-11-27 → 2026-12-04 | United Airlines | UA6255 / UA4304 | [$360.00](/en/flights/choose/tys-iad/nov-27/dec-4) | 2026-10-29T01:30:55Z | | 2026-11-27 → 2026-12-04 | American Airlines | AA6343 + AA1473 / AA1637 + AA6018 | [$371.25](/en/flights/choose/tys-iad/nov-27/dec-4) | 2026-10-29T01:30:55Z | | 2026-11-27 → 2026-12-04 | Delta Air Lines | DL4666 + DL1695 / DL1444 + DL2571 | [$393.75](/en/flights/choose/tys-iad/nov-27/dec-4) | 2026-10-29T01:30:55Z | ### 2026-11-20 · one way · $170.00 - United Airlines UA6255: TYS 2026-11-20 19:35:00 → IAD 2026-11-20 21:15:00; nonstop; 100 minutes. Local airport times. ### 2026-11-20 → 2026-11-23 · $320.00 - United Airlines UA4325: TYS 2026-11-20 09:45:00 → IAD 2026-11-20 11:28:00; nonstop; 103 minutes. Local airport times. - United Airlines UA4304: IAD 2026-11-23 22:15:00 → TYS 2026-11-23 23:59:00; nonstop; 104 minutes. Local airport times. ### 2026-11-20 · one way · $175.00 - American Airlines AA6343 / AA1473: TYS 2026-11-20 18:05:00 → IAD 2026-11-20 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times. - AA6343: TYS 2026-11-20 18:05:00 → CLT 2026-11-20 19:34:00; layover at CLT: 66 minutes. - AA1473: CLT 2026-11-20 20:40:00 → IAD 2026-11-20 22:01:00. ### 2026-11-20 · one way · $185.00 - Delta Air Lines DL4666 / DL1695: TYS 2026-11-20 10:35:00 → IAD 2026-11-20 16:02:00; 1 stop(s) via ATL; 327 minutes. Local airport times. - DL4666: TYS 2026-11-20 10:35:00 → ATL 2026-11-20 11:36:00; layover at ATL: 165 minutes. - DL1695: ATL 2026-11-20 14:21:00 → IAD 2026-11-20 16:02:00. ### 2026-11-20 → 2026-11-23 · $330.00 - American Airlines AA6343 / AA1473: TYS 2026-11-20 18:05:00 → IAD 2026-11-20 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times. - AA6343: TYS 2026-11-20 18:05:00 → CLT 2026-11-20 19:34:00; layover at CLT: 66 minutes. - AA1473: CLT 2026-11-20 20:40:00 → IAD 2026-11-20 22:01:00. - American Airlines AA1637 / AA6018: IAD 2026-11-23 06:00:00 → TYS 2026-11-23 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times. - AA1637: IAD 2026-11-23 06:00:00 → CLT 2026-11-23 07:37:00; layover at CLT: 93 minutes. - AA6018: CLT 2026-11-23 09:10:00 → TYS 2026-11-23 10:33:00. ### 2026-11-20 → 2026-11-23 · $350.00 - Delta Air Lines DL4666 / DL1695: TYS 2026-11-20 10:35:00 → IAD 2026-11-20 16:02:00; 1 stop(s) via ATL; 327 minutes. Local airport times. - DL4666: TYS 2026-11-20 10:35:00 → ATL 2026-11-20 11:36:00; layover at ATL: 165 minutes. - DL1695: ATL 2026-11-20 14:21:00 → IAD 2026-11-20 16:02:00. - Delta Air Lines DL1444 / DL2571: IAD 2026-11-23 12:34:00 → TYS 2026-11-23 17:22:00; 1 stop(s) via ATL; 288 minutes. Local airport times. - DL1444: IAD 2026-11-23 12:34:00 → ATL 2026-11-23 14:31:00; layover at ATL: 114 minutes. - DL2571: ATL 2026-11-23 16:25:00 → TYS 2026-11-23 17:22:00. ### 2026-11-27 → 2026-12-04 · $360.00 - United Airlines UA4325: TYS 2026-11-27 09:45:00 → IAD 2026-11-27 11:28:00; nonstop; 103 minutes. Local airport times. - United Airlines UA4304: IAD 2026-12-04 22:15:00 → TYS 2026-12-04 23:59:00; nonstop; 104 minutes. Local airport times. ### 2026-11-20 · one way · $170.00 - United Airlines UA4325: TYS 2026-11-20 09:45:00 → IAD 2026-11-20 11:28:00; nonstop; 103 minutes. Local airport times. ### 2026-11-20 → 2026-11-23 · $320.00 - United Airlines UA6255: TYS 2026-11-20 19:35:00 → IAD 2026-11-20 21:15:00; nonstop; 100 minutes. Local airport times. - United Airlines UA4304: IAD 2026-11-23 22:15:00 → TYS 2026-11-23 23:59:00; nonstop; 104 minutes. Local airport times. ### 2026-11-27 → 2026-12-04 · $360.00 - United Airlines UA6255: TYS 2026-11-27 19:35:00 → IAD 2026-11-27 21:15:00; nonstop; 100 minutes. Local airport times. - United Airlines UA4304: IAD 2026-12-04 22:15:00 → TYS 2026-12-04 23:59:00; nonstop; 104 minutes. Local airport times. ### 2026-11-27 → 2026-12-04 · $371.25 - American Airlines AA6343 / AA1473: TYS 2026-11-27 18:05:00 → IAD 2026-11-27 22:01:00; 1 stop(s) via CLT; 236 minutes. Local airport times. - AA6343: TYS 2026-11-27 18:05:00 → CLT 2026-11-27 19:34:00; layover at CLT: 66 minutes. - AA1473: CLT 2026-11-27 20:40:00 → IAD 2026-11-27 22:01:00. - American Airlines AA1637 / AA6018: IAD 2026-12-04 06:00:00 → TYS 2026-12-04 10:33:00; 1 stop(s) via CLT; 273 minutes. Local airport times. - AA1637: IAD 2026-12-04 06:00:00 → CLT 2026-12-04 07:37:00; layover at CLT: 93 minutes. - AA6018: CLT 2026-12-04 09:10:00 → TYS 2026-12-04 10:33:00. ### 2026-11-27 → 2026-12-04 · $393.75 - Delta Air Lines DL4666 / DL1695: TYS 2026-11-27 10:35:00 → IAD 2026-11-27 16:02:00; 1 stop(s) via ATL; 327 minutes. Local airport times. - DL4666: TYS 2026-11-27 10:35:00 → ATL 2026-11-27 11:36:00; layover at ATL: 165 minutes. - DL1695: ATL 2026-11-27 14:21:00 → IAD 2026-11-27 16:02:00. - Delta Air Lines DL1444 / DL2571: IAD 2026-12-04 12:34:00 → TYS 2026-12-04 17:22:00; 1 stop(s) via ATL; 288 minutes. Local airport times. - DL1444: IAD 2026-12-04 12:34:00 → ATL 2026-12-04 14:31:00; layover at ATL: 114 minutes. - DL2571: ATL 2026-12-04 16:25:00 → TYS 2026-12-04 17:22:00. ### More dates for this route - [Nov 20, 2026 → Nov 23, 2026](/en/flights/choose/tys-iad/nov-20/nov-23) - [Nov 27, 2026 → Dec 4, 2026](/en/flights/choose/tys-iad/nov-27/dec-4) - [Nov 20, 2026 · One way](/en/flights/choose/tys-iad/nov-20/one-way) **Feedback (optional):** [Missing info](https://helloaxel.com/en/flights/from-knoxville-tys-to-dulles-iad?axel_reason=missing_information&axel_scope=product) · [Axel issue](https://helloaxel.com/en/flights/from-knoxville-tys-to-dulles-iad?axel_reason=product_issue&axel_scope=product)