Kansas City → Denver
Dec 21, 2026 · return Dec 22, 2026
MCI → DEN1 adulteconomyRound trip
5 flight options · 3 airlines
Nonstop flights
Make this trip yours
Already have an account? Log in
Why book with Axel
- A real airline bookingThe booking is in the airline’s own system under your name. After you book, Frontier 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.
- Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. 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
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 dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-12-21 → 2026-12-22 | Frontier Airlines | F93375 / F94828 | $175.50 | 2026-10-29T01:27:59Z |
| 2026-12-21 → 2026-12-22 | Southwest Airlines | WN1581 / WN2075 | $283.50 | 2026-10-29T01:27:59Z |
| 2026-12-21 → 2026-12-22 | United Airlines | UA2167 / UA586 | $310.50 | 2026-10-29T01:27:59Z |
| 2026-12-21 → 2026-12-22 | Southwest Airlines | WN2668 / WN2075 | $283.50 | 2026-10-29T01:27:59Z |
| 2026-12-21 → 2026-12-22 | United Airlines | UA708 / UA586 | $310.50 | 2026-10-29T01:27:59Z |
2026-12-21 → 2026-12-22 · $175.50
- Frontier Airlines F93375: MCI 2026-12-21 20:51:00 → DEN 2026-12-21 21:53:00; nonstop; 122 minutes. Local airport times.
- Frontier Airlines F94828: DEN 2026-12-22 16:58:00 → MCI 2026-12-22 19:35:00; nonstop; 97 minutes. Local airport times.
2026-12-21 → 2026-12-22 · $283.50
- Southwest Airlines WN1581: MCI 2026-12-21 14:10:00 → DEN 2026-12-21 15:00:00; nonstop; 110 minutes. Local airport times.
- Southwest Airlines WN2075: DEN 2026-12-22 14:00:00 → MCI 2026-12-22 16:35:00; nonstop; 95 minutes. Local airport times.
2026-12-21 → 2026-12-22 · $310.50
- United Airlines UA2167: MCI 2026-12-21 08:47:00 → DEN 2026-12-21 09:55:00; nonstop; 128 minutes. Local airport times.
- United Airlines UA586: DEN 2026-12-22 13:30:00 → MCI 2026-12-22 16:07:00; nonstop; 97 minutes. Local airport times.
2026-12-21 → 2026-12-22 · $283.50
- Southwest Airlines WN2668: MCI 2026-12-21 18:25:00 → DEN 2026-12-21 19:15:00; nonstop; 110 minutes. Local airport times.
- Southwest Airlines WN2075: DEN 2026-12-22 14:00:00 → MCI 2026-12-22 16:35:00; nonstop; 95 minutes. Local airport times.
2026-12-21 → 2026-12-22 · $310.50
- United Airlines UA708: MCI 2026-12-21 13:36:00 → DEN 2026-12-21 14:38:00; nonstop; 122 minutes. Local airport times.
- United Airlines UA586: DEN 2026-12-22 13:30:00 → MCI 2026-12-22 16:07:00; nonstop; 97 minutes. Local airport times.