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Seattle → Kansas City

Dec 21, 2026 · return Dec 31, 2026

SEA → MCI1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 31

Alaska Airlines
9:55 amSEA
3h 28m
Nonstop
3:23 pmMCI
Alaska Airlines
6:30 amMCI
4h 20m
Nonstop
8:50 amSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
6:20 pmSEA
3h 31m
Nonstop
11:51 pmMCI
Alaska Airlines
6:30 amMCI
4h 20m
Nonstop
8:50 amSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Alaska Airlines
6:34 pmSEA
3h 25m
Nonstop
11:59 pmMCI
Alaska Airlines
6:30 amMCI
4h 20m
Nonstop
8:50 amSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
5:54 pmSEA
3h 29m
Nonstop
11:23 pmMCI
Delta Air Lines
7:00 amMCI
4h 21m
Nonstop
9:21 amSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
3:45 pmSEA
6h 45m
DAL · 1h 25m
12:30 am+1MCI
Southwest Airlines
6:30 pmMCI
6h 20m
DEN · 1h 15m
10:50 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

United Airlines
5:05 amSEA
5h 23m
DEN · 1h 3m
12:28 pmMCI
United Airlines
5:19 pmMCI
7h 57m
DEN · 2h 50m
11:16 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Southwest Airlines
9:25 amSEA
5h 10m
DEN · 1h
4:35 pmMCI
Southwest Airlines
6:30 pmMCI
6h 20m
DEN · 1h 15m
10:50 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
5:54 pmSEA
3h 33m
Nonstop
11:27 pmMCI
Southwest Airlines
6:30 pmMCI
6h 20m
DEN · 1h 15m
10:50 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
8:30 amSEA
6h 26m
MSP · 1h 21m
4:56 pmMCI
Delta Air Lines
7:00 amMCI
4h 21m
Nonstop
9:21 amSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 31

Delta Air Lines
9:18 amSEA
5h 51m
SLC · 1h 16m
5:09 pmMCI
Delta Air Lines
7:00 amMCI
4h 21m
Nonstop
9:21 amSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ MCI

Economy

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

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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

All dates for this routeNov 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)
2026-12-21 → 2026-12-31Alaska AirlinesAS418 / AS563$504.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31Delta Air Lines / Alaska AirlinesDL2256 / AS563$511.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31Southwest AirlinesWN698 + WN3560 / WN1491 + WN3141$448.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31United AirlinesUA757 + UA2159 / UA2123 + UA2651$476.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31Alaska AirlinesAS497 / AS563$504.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31Delta Air LinesDL2256 / DL2105$518.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31Southwest AirlinesWN2150 + WN2075 / WN1491 + WN3141$448.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31Delta Air Lines / Southwest AirlinesDL2256 / WN1491 + WN3141$483.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31Delta Air LinesDL536 + DL5401 / DL2105$504.002026-10-29T02:06:30Z
2026-12-21 → 2026-12-31Delta Air LinesDL1016 + DL2903 / DL2105$504.002026-10-29T02:06:30Z

2026-12-21 → 2026-12-31 · $504.00

  • Alaska Airlines AS418: SEA 2026-12-21 09:55:00 → MCI 2026-12-21 15:23:00; nonstop; 208 minutes. Local airport times.
  • Alaska Airlines AS563: MCI 2026-12-31 06:30:00 → SEA 2026-12-31 08:50:00; nonstop; 260 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $511.00

  • Delta Air Lines DL2256: SEA 2026-12-21 18:20:00 → MCI 2026-12-21 23:51:00; nonstop; 211 minutes. Local airport times.
  • Alaska Airlines AS563: MCI 2026-12-31 06:30:00 → SEA 2026-12-31 08:50:00; nonstop; 260 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $448.00

  • Southwest Airlines WN698 / WN3560: SEA 2026-12-21 15:45:00 → MCI 2026-12-22 00:30:00; 1 stop(s) via DAL; 405 minutes. Local airport times.
    • WN698: SEA 2026-12-21 15:45:00 → DAL 2026-12-21 21:30:00; layover at DAL: 85 minutes.
    • WN3560: DAL 2026-12-21 22:55:00 → MCI 2026-12-22 00:30:00.
  • Southwest Airlines WN1491 / WN3141: MCI 2026-12-31 18:30:00 → SEA 2026-12-31 22:50:00; 1 stop(s) via DEN; 380 minutes. Local airport times.
    • WN1491: MCI 2026-12-31 18:30:00 → DEN 2026-12-31 19:25:00; layover at DEN: 75 minutes.
    • WN3141: DEN 2026-12-31 20:40:00 → SEA 2026-12-31 22:50:00.

2026-12-21 → 2026-12-31 · $476.00

  • United Airlines UA757 / UA2159: SEA 2026-12-21 05:05:00 → MCI 2026-12-21 12:28:00; 1 stop(s) via DEN; 323 minutes. Local airport times.
    • UA757: SEA 2026-12-21 05:05:00 → DEN 2026-12-21 08:42:00; layover at DEN: 63 minutes.
    • UA2159: DEN 2026-12-21 09:45:00 → MCI 2026-12-21 12:28:00.
  • United Airlines UA2123 / UA2651: MCI 2026-12-31 17:19:00 → SEA 2026-12-31 23:16:00; 1 stop(s) via DEN; 477 minutes. Local airport times.
    • UA2123: MCI 2026-12-31 17:19:00 → DEN 2026-12-31 18:20:00; layover at DEN: 170 minutes.
    • UA2651: DEN 2026-12-31 21:10:00 → SEA 2026-12-31 23:16:00.

2026-12-21 → 2026-12-31 · $504.00

  • Alaska Airlines AS497: SEA 2026-12-21 18:34:00 → MCI 2026-12-21 23:59:00; nonstop; 205 minutes. Local airport times.
  • Alaska Airlines AS563: MCI 2026-12-31 06:30:00 → SEA 2026-12-31 08:50:00; nonstop; 260 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $518.00

  • Delta Air Lines DL2256: SEA 2026-12-21 17:54:00 → MCI 2026-12-21 23:23:00; nonstop; 209 minutes. Local airport times.
  • Delta Air Lines DL2105: MCI 2026-12-31 07:00:00 → SEA 2026-12-31 09:21:00; nonstop; 261 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $448.00

  • Southwest Airlines WN2150 / WN2075: SEA 2026-12-21 09:25:00 → MCI 2026-12-21 16:35:00; 1 stop(s) via DEN; 310 minutes. Local airport times.
    • WN2150: SEA 2026-12-21 09:25:00 → DEN 2026-12-21 13:00:00; layover at DEN: 60 minutes.
    • WN2075: DEN 2026-12-21 14:00:00 → MCI 2026-12-21 16:35:00.
  • Southwest Airlines WN1491 / WN3141: MCI 2026-12-31 18:30:00 → SEA 2026-12-31 22:50:00; 1 stop(s) via DEN; 380 minutes. Local airport times.
    • WN1491: MCI 2026-12-31 18:30:00 → DEN 2026-12-31 19:25:00; layover at DEN: 75 minutes.
    • WN3141: DEN 2026-12-31 20:40:00 → SEA 2026-12-31 22:50:00.

2026-12-21 → 2026-12-31 · $483.00

  • Delta Air Lines DL2256: SEA 2026-12-21 17:54:00 → MCI 2026-12-21 23:27:00; nonstop; 213 minutes. Local airport times.
  • Southwest Airlines WN1491 / WN3141: MCI 2026-12-31 18:30:00 → SEA 2026-12-31 22:50:00; 1 stop(s) via DEN; 380 minutes. Local airport times.
    • WN1491: MCI 2026-12-31 18:30:00 → DEN 2026-12-31 19:25:00; layover at DEN: 75 minutes.
    • WN3141: DEN 2026-12-31 20:40:00 → SEA 2026-12-31 22:50:00.

2026-12-21 → 2026-12-31 · $504.00

  • Delta Air Lines DL536 / DL5401: SEA 2026-12-21 08:30:00 → MCI 2026-12-21 16:56:00; 1 stop(s) via MSP; 386 minutes. Local airport times.
    • DL536: SEA 2026-12-21 08:30:00 → MSP 2026-12-21 13:48:00; layover at MSP: 81 minutes.
    • DL5401: MSP 2026-12-21 15:09:00 → MCI 2026-12-21 16:56:00.
  • Delta Air Lines DL2105: MCI 2026-12-31 07:00:00 → SEA 2026-12-31 09:21:00; nonstop; 261 minutes. Local airport times.

2026-12-21 → 2026-12-31 · $504.00

  • Delta Air Lines DL1016 / DL2903: SEA 2026-12-21 09:18:00 → MCI 2026-12-21 17:09:00; 1 stop(s) via SLC; 351 minutes. Local airport times.
    • DL1016: SEA 2026-12-21 09:18:00 → SLC 2026-12-21 12:31:00; layover at SLC: 76 minutes.
    • DL2903: SLC 2026-12-21 13:47:00 → MCI 2026-12-21 17:09:00.
  • Delta Air Lines DL2105: MCI 2026-12-31 07:00:00 → SEA 2026-12-31 09:21:00; nonstop; 261 minutes. Local airport times.

More dates for this route