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Killeen → Denver

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GRK → DEN1 adulteconomy

3 flight options · 1 airline

Round-trip flights

Fri, Nov 27 – Fri, Dec 4

American Airlines
6:50 pmGRK
4h 52m
DFW · 1h 31m
10:42 pmDEN
American Airlines
6:15 amDEN
4h 25m
DFW · 1h 8m
11:40 amGRK

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
6:50 pmGRK
4h 52m
DFW · 1h 31m
10:42 pmDEN
American Airlines
6:15 amDEN
4h 25m
DFW · 1h 8m
11:40 amGRK

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

American Airlines
6:50 pmGRK
4h 52m
DFW · 1h 31m
10:42 pmDEN

One-way total · 1 adult · Taxes included

Make this trip yours

GRK ⇄ DEN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, American Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one wayAmerican AirlinesAA5139 + AA577$243.752026-10-29T01:02:27Z
2026-11-27 → 2026-12-04American AirlinesAA5139 + AA577 / AA3285 + AA5514$410.632026-10-29T01:02:27Z
2026-11-20 → 2026-11-23American AirlinesAA5139 + AA577 / AA3285 + AA5514$456.262026-10-29T01:02:27Z

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.

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