Southwest Airlines flights from Kansas City (MCI) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 13:10 Kansas City (MCI) 14:55 Seattle-Tacoma (SEA)
Southwest Airlines WN 2071 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-08-08 through 2026-09-26
Sat 13:25 Kansas City (MCI) 15:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 3389 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-06-06 through 2026-08-01
Non-Direct Flights:
Sun 05:15 Kansas City (MCI) 09:45 Seattle-Tacoma (SEA)
Southwest Airlines WN 1406 1-stop Boeing 737-800 (73H) 6:30 Effective 2026-06-07 through 2026-08-02
Sun 20:50 Kansas City (MCI) 01:40 Seattle-Tacoma (SEA)
Southwest Airlines WN 3266 1-stop Boeing 737 MAX 8 (7M8) 6:50 Effective 2026-03-08 through 2026-04-05
The flight arrives 1 day after departure.
Mon,Thu,Fri 12:05 Kansas City (MCI) 20:25 Seattle-Tacoma (SEA)
Southwest Airlines WN 1219 3-stop Boeing 737-700 (Scimitar Winglets) 10:20 Effective 2026-04-09 through 2026-06-01


Southwest Airlines flights from Kansas City (MCI) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:30, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 10:20, 3-stop
Boeing 737-700 (Scimitar Winglets)
  • A domestic route departing from the Kansas City airport (MCI) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1485 miles, or 2390 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 3:45 and 3:50.