All airlines flying from Saint Louis (STL) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu,Fri,Sun 14:20 Saint Louis (STL) 1 17:00 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:40 Effective 2024-12-05 through 2024-12-16 Codeshare flight, operated by Alaska Airlines.(AS 388)
Mon-Wed,Fri-Sun 14:23 Saint Louis (STL) 1 16:58 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:35 Effective 2024-11-22 through 2024-11-29 Codeshare flight, operated by Alaska Airlines.(AS 388)
Sat 14:23 Saint Louis (STL) 1 16:56 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:33 Operates only on 2024-11-30 Codeshare flight, operated by Alaska Airlines.(AS 388)
Mon,Sun 14:23 Saint Louis (STL) 1 16:58 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:35 Effective 2024-12-01 through 2024-12-02 Codeshare flight, operated by Alaska Airlines.(AS 388)
Daily 14:23 Saint Louis (STL) 1 17:00 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:37 Effective 2024-12-19 through 2025-01-05 Codeshare flight, operated by Alaska Airlines.(AS 388)
Mon,Thu,Fri,Sun 14:24 Saint Louis (STL) 1 16:59 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:35 Effective 2024-10-27 through 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 388)
Daily 14:25 Saint Louis (STL) 1 16:59 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:34 Effective 2024-10-01 through 2024-10-11 Codeshare flight, operated by Alaska Airlines.(AS 388)
Sat 14:25 Saint Louis (STL) 1 16:59 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 MAX 8 (7M8) 4:34 Operates only on 2024-10-12 Codeshare flight, operated by Alaska Airlines.(AS 388)
Daily 14:25 Saint Louis (STL) 1 16:59 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:34 Effective 2024-10-13 through 2024-10-26 Codeshare flight, operated by Alaska Airlines.(AS 388)
Daily 14:34 Saint Louis (STL) 1 16:59 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:25 Valid until 2024-09-30 Codeshare flight, operated by Alaska Airlines.(AS 388)
Daily 14:18 Saint Louis (STL) 1 17:00 Seattle-Tacoma (SEA) American Airlines AA 7514 Non-stop Boeing 737 (737) 4:42 Effective 2025-02-13 through 2025-03-18 Codeshare flight, operated by Alaska Airlines.(AS 503)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:26 Valid until 2024-09-30 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:31 Effective 2024-10-01 through 2024-10-26 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:36 Effective 2024-10-27 through 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Wed-Sun 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:33 Effective 2024-11-22 through 2024-12-02 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:31 Operates only on 2024-11-26 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:34 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:34 Effective 2024-12-03 through 2024-12-18 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:38 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:38 Effective 2024-12-19 through 2025-01-05 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:26 Effective from 2025-03-19 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 09:15 Saint Louis (STL) 1 11:57 Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:42 Effective 2025-01-06 through 2025-03-18 Codeshare flight, operated by Alaska Airlines.(AS 504)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) Qatar Airways QR 8813 Non-stop Boeing 737 (73J) 4:26 Effective 2025-05-15 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Wed,Fri,Sat 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) Qatar Airways QR 8813 Non-stop Boeing 737 (73J) 4:26 Effective 2025-06-13 through 2025-06-28 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue,Thu,Sun 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:26 Effective 2025-06-12 through 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:26 Effective from 2025-06-30 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Thu,Fri,Sun 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA) American Airlines AA 9428 Non-stop Boeing 737 (737) 4:24 Valid until 2024-09-15 Codeshare flight, operated by Alaska Airlines.(AS 511)
Mon 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA) American Airlines AA 9428 Non-stop Boeing 737 MAX 8 (7M8) 4:24 Operates only on 2024-09-16 Codeshare flight, operated by Alaska Airlines.(AS 511)
Mon,Thu,Fri,Sun 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA) American Airlines AA 9428 Non-stop Boeing 737 (737) 4:24 Effective 2024-09-19 through 2024-09-30 Codeshare flight, operated by Alaska Airlines.(AS 511)
Daily 19:30 Saint Louis (STL) 1 21:56 Seattle-Tacoma (SEA) American Airlines AA 9443 Non-stop Boeing 737 (737) 4:26 Effective from 2025-05-15 Codeshare flight, operated by Alaska Airlines.(AS 291)

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A domestic route departing from the Saint Louis airport (STL) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1704 miles, or 2743 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 4:20 and 4:42.

Return (SEA-STL) flights

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All airlines flying from Saint Louis (STL) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE

Direct Codeshare Flights:

American Airlines AA7468

14:20

Saint Louis (STL) 1

17:00

Seattle-Tacoma (SEA)

Effective 2024-12-05 through 2024-12-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:40, non-stop
Boeing 737 (737)

American Airlines AA7468

14:23

Saint Louis (STL) 1

16:58

Seattle-Tacoma (SEA)

Effective 2024-11-22 through 2024-11-29

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:35, non-stop
Boeing 737 (737)

American Airlines AA7468

14:23

Saint Louis (STL) 1

16:56

Seattle-Tacoma (SEA)

Operates only on 2024-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:33, non-stop
Boeing 737 (737)

American Airlines AA7468

14:23

Saint Louis (STL) 1

16:58

Seattle-Tacoma (SEA)

Effective 2024-12-01 through 2024-12-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:35, non-stop
Boeing 737 (737)

American Airlines AA7468

14:23

Saint Louis (STL) 1

17:00

Seattle-Tacoma (SEA)

Effective 2024-12-19 through 2025-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:37, non-stop
Boeing 737 (737)

American Airlines AA7468

14:24

Saint Louis (STL) 1

16:59

Seattle-Tacoma (SEA)

Effective 2024-10-27 through 2024-11-21

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:35, non-stop
Boeing 737 (737)

American Airlines AA7468

14:25

Saint Louis (STL) 1

16:59

Seattle-Tacoma (SEA)

Effective 2024-10-01 through 2024-10-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:34, non-stop
Boeing 737 (737)

American Airlines AA7468

14:25

Saint Louis (STL) 1

16:59

Seattle-Tacoma (SEA)

Operates only on 2024-10-12

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:34, non-stop
Boeing 737 MAX 8 (7M8)

American Airlines AA7468

14:25

Saint Louis (STL) 1

16:59

Seattle-Tacoma (SEA)

Effective 2024-10-13 through 2024-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:34, non-stop
Boeing 737 (737)

American Airlines AA7468

14:34

Saint Louis (STL) 1

16:59

Seattle-Tacoma (SEA)

Valid until 2024-09-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 388)

Duration: 4:25, non-stop
Boeing 737 (737)

American Airlines AA7514

14:18

Saint Louis (STL) 1

17:00

Seattle-Tacoma (SEA)

Effective 2025-02-13 through 2025-03-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 503)

Duration: 4:42, non-stop
Boeing 737 (737)

American Airlines AA7628

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Valid until 2024-09-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:26, non-stop
Boeing 737 (737)

American Airlines AA7628

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Effective 2024-10-01 through 2024-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:31, non-stop
Boeing 737 (737)

American Airlines AA7628

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-10-27 through 2024-11-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:36, non-stop
Boeing 737 (737)

American Airlines AA7628

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Effective 2024-11-22 through 2024-12-02

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:33, non-stop
Boeing 737 (737)

American Airlines AA7628

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Operates only on 2024-11-26

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:31, non-stop
Boeing 737 (737)

American Airlines AA7628

07:00

Saint Louis (STL) 1

09:34

Seattle-Tacoma (SEA)

Effective 2024-12-03 through 2024-12-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:34, non-stop
Boeing 737 (737)

American Airlines AA7628

07:00

Saint Louis (STL) 1

09:38

Seattle-Tacoma (SEA)

Effective 2024-12-19 through 2025-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:38, non-stop
Boeing 737 (737)

American Airlines AA7628

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective from 2025-03-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:26, non-stop
Boeing 737 (737)

American Airlines AA7628

09:15

Saint Louis (STL) 1

11:57

Seattle-Tacoma (SEA)

Effective 2025-01-06 through 2025-03-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 504)

Duration: 4:42, non-stop
Boeing 737 (737)

Qatar Airways QR8813

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective 2025-05-15 through 2025-06-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:26, non-stop
Boeing 737 (73J)

Qatar Airways QR8813

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective 2025-06-13 through 2025-06-28

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:26, non-stop
Boeing 737 (73J)

Qatar Airways QR8886

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective 2025-06-12 through 2025-06-29

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:26, non-stop
Boeing 737 (73J)

Qatar Airways QR8886

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective from 2025-06-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 473)

Duration: 4:26, non-stop
Boeing 737 (73J)

American Airlines AA9428

19:31

Saint Louis (STL) 1

21:55

Seattle-Tacoma (SEA)

Valid until 2024-09-15

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 511)

Duration: 4:24, non-stop
Boeing 737 (737)

American Airlines AA9428

19:31

Saint Louis (STL) 1

21:55

Seattle-Tacoma (SEA)

Operates only on 2024-09-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 511)

Duration: 4:24, non-stop
Boeing 737 MAX 8 (7M8)

American Airlines AA9428

19:31

Saint Louis (STL) 1

21:55

Seattle-Tacoma (SEA)

Effective 2024-09-19 through 2024-09-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 511)

Duration: 4:24, non-stop
Boeing 737 (737)

American Airlines AA9443

19:30

Saint Louis (STL) 1

21:56

Seattle-Tacoma (SEA)

Effective from 2025-05-15

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 291)

Duration: 4:26, non-stop
Boeing 737 (737)

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A domestic route departing from the Saint Louis airport (STL) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1704 miles, or 2743 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 4:20 and 4:42.

Return (SEA-STL) flights

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