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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 19:35 Kansas City (MCI) 21:25 Seattle-Tacoma (SEA)
Southwest Airlines WN 2535 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-06-08 through 2025-08-03
Sat 17:20 Kansas City (MCI) 19:10 Seattle-Tacoma (SEA)
Southwest Airlines WN 3214 Non-stop Boeing 737-700 (73W) 3:50 Effective 2025-06-07 through 2025-08-02
Sat 15:35 Kansas City (MCI) 17:20 Seattle-Tacoma (SEA)
Southwest Airlines WN 5147 Non-stop Boeing 737-700 (73W) 3:45 Effective 2025-08-09 through 2025-09-27
Non-Direct Flights:
Sat 09:35 Kansas City (MCI) 14:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 2808 1-stop Boeing 737-800 (73H) 6:40 Effective 2025-11-08 through 2025-11-15
Sat 09:35 Kansas City (MCI) 14:15 Seattle-Tacoma (SEA)
Southwest Airlines WN 2808 1-stop Boeing 737-800 (73H) 6:40 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri 11:50 Kansas City (MCI) 20:10 Seattle-Tacoma (SEA)
Southwest Airlines WN 2256 3-stop Boeing 737-700 (73W) 10:20 Effective 2025-08-07 through 2025-09-29
Sun 12:50 Kansas City (MCI) 21:40 Seattle-Tacoma (SEA)
Southwest Airlines WN 1362 4-stop Boeing 737-700 (73W) 10:50 Operates only on 2025-05-25


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

Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, non-stop
Boeing 737-800 (73H)

Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
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Wed
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Thu
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Fri
-
Sat
Sun
-
Duration: 3:50, non-stop
Boeing 737-700 (73W)

Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:45, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
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Wed
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Thu
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Fri
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Sat
Sun
-
Duration: 6:40, 1-stop
Boeing 737-800 (73H)

Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
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Thu
-
Fri
-
Sat
Sun
-
Duration: 6:40, 1-stop
Boeing 737-800 (73H)

Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 10:20, 3-stop
Boeing 737-700 (73W)

Operates only on 2025-05-25
Mon
-
Tue
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Wed
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Thu
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Fri
-
Sat
-
Sun
Duration: 10:50, 4-stop
Boeing 737-700 (73W)
  • 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.