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

FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue,Thu-Sun 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 MAX 9 (7M9) 4:36 Effective 2024-10-27 through 2024-11-02 Codeshare flight, operated by Alaska Airlines.(AS 473)
Wed,Sun 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 (73J) 4:36 Effective 2024-10-30 through 2024-11-06 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Thu,Sun 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737-800 (73H) 4:36 Effective 2024-11-04 through 2024-11-11 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue,Fri,Sat 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 MAX 9 (7M9) 4:36 Effective 2024-11-05 through 2024-11-12 Codeshare flight, operated by Alaska Airlines.(AS 473)
Wed 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 (73J) 4:36 Effective 2024-11-13 through 2024-11-20 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue,Thu-Sun 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 MAX 9 (7M9) 4:36 Effective 2024-11-14 through 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737-800 (73H) 4:36 Operates only on 2024-11-18 Codeshare flight, operated by Alaska Airlines.(AS 473)
Thu,Fri,Sun 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 MAX 9 (7M9) 4:33 Effective 2024-11-22 through 2024-11-29 Codeshare flight, operated by Alaska Airlines.(AS 473)
Sat 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 (73J) 4:33 Operates only on 2024-11-23 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Sat 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737-800 (73H) 4:33 Effective 2024-11-25 through 2024-11-30 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 (73J) 4:31 Operates only on 2024-11-26 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Wed 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737-900 (739) 4:33 Effective 2024-11-27 through 2024-12-02 Codeshare flight, operated by Alaska Airlines.(AS 473)
Sun 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 (73J) 4:33 Operates only on 2024-12-01 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue 07:00 Saint Louis (STL) 1 09:34 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 MAX 9 (7M9) 4:34 Operates only on 2024-12-03 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:34 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 (73J) 4:34 Effective 2024-12-04 through 2024-12-18 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:38 Seattle-Tacoma (SEA) Qatar Airways QR 3394 Non-stop Boeing 737 (73J) 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) Qatar Airways QR 3394 Non-stop Boeing 737 (73J) 4:26 Effective 2025-03-19 through 2025-04-21 Codeshare flight, operated by Alaska Airlines.(AS 473)
Thu 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) Qatar Airways QR 4287 Non-stop Boeing 737 (73J) 4:26 Valid until 2024-09-26 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) Qatar Airways QR 4297 Non-stop Boeing 737 (73J) 4:26 Effective 2025-04-22 through 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:26 Valid until 2024-09-14 Codeshare flight, operated by Alaska Airlines.(AS 473)
Sun 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737-900 (739) 4:26 Operates only on 2024-09-15 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:26 Effective 2024-09-16 through 2024-09-27 Codeshare flight, operated by Alaska Airlines.(AS 473)
Sat 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737-900 (739) 4:26 Operates only on 2024-09-28 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Sun 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:26 Effective 2024-09-29 through 2024-09-30 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Tue,Thu,Sat,Sun 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:31 Effective 2024-10-01 through 2024-10-08 Codeshare flight, operated by Alaska Airlines.(AS 473)
Wed 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737-900 (739) 4:31 Operates only on 2024-10-02 Codeshare flight, operated by Alaska Airlines.(AS 473)
Wed-Fri 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:31 Effective 2024-10-04 through 2024-10-10 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Tue,Thu-Sun 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:31 Effective 2024-10-11 through 2024-10-18 Codeshare flight, operated by Alaska Airlines.(AS 473)
Wed,Sat 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:31 Effective 2024-10-16 through 2024-10-23 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Tue,Thu,Fri,Sun 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:31 Effective 2024-10-20 through 2024-10-25 Codeshare flight, operated by Alaska Airlines.(AS 473)
Sat 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737-900 (739) 4:31 Operates only on 2024-10-26 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Tue,Thu-Sun 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:36 Effective 2024-10-27 through 2024-11-02 Codeshare flight, operated by Alaska Airlines.(AS 473)
Wed,Sun 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:36 Effective 2024-10-30 through 2024-11-06 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Thu,Sun 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737-800 (73H) 4:36 Effective 2024-11-04 through 2024-11-11 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue,Fri,Sat 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:36 Effective 2024-11-05 through 2024-11-12 Codeshare flight, operated by Alaska Airlines.(AS 473)
Wed 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:36 Effective 2024-11-13 through 2024-11-20 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue,Thu-Sun 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:36 Effective 2024-11-14 through 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon 07:00 Saint Louis (STL) 1 09:36 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737-800 (73H) 4:36 Operates only on 2024-11-18 Codeshare flight, operated by Alaska Airlines.(AS 473)
Thu,Fri,Sun 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:33 Effective 2024-11-22 through 2024-11-29 Codeshare flight, operated by Alaska Airlines.(AS 473)
Sat 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:33 Operates only on 2024-11-23 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Sat 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737-800 (73H) 4:33 Effective 2024-11-25 through 2024-11-30 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:31 Operates only on 2024-11-26 Codeshare flight, operated by Alaska Airlines.(AS 473)
Mon,Wed 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737-900 (739) 4:33 Effective 2024-11-27 through 2024-12-02 Codeshare flight, operated by Alaska Airlines.(AS 473)
Sun 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:33 Operates only on 2024-12-01 Codeshare flight, operated by Alaska Airlines.(AS 473)
Tue 07:00 Saint Louis (STL) 1 09:34 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 MAX 9 (7M9) 4:34 Operates only on 2024-12-03 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:34 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 4:34 Effective 2024-12-04 through 2024-12-18 Codeshare flight, operated by Alaska Airlines.(AS 473)
Daily 07:00 Saint Louis (STL) 1 09:38 Seattle-Tacoma (SEA) JAL JL 5439 Non-stop Boeing 737 (73J) 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) JAL JL 5439 Non-stop Boeing 737 (73J) 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) JAL JL 5439 Non-stop Boeing 737 (73J) 4:42 Effective 2025-03-09 through 2025-03-18 Codeshare flight, operated by Alaska Airlines.(AS 504)
Daily 14:15 Saint Louis (STL) 1 16:41 Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:26 Effective from 2025-03-19 Codeshare flight, operated by Alaska Airlines.(AS 388)

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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).

FLIGHT SCHEDULE

Direct Codeshare Flights:

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-10-27 through 2024-11-02

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

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

Duration: 4:36, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-10-30 through 2024-11-06

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

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

Duration: 4:36, non-stop
Boeing 737 (73J)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-11-04 through 2024-11-11

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

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

Duration: 4:36, non-stop
Boeing 737-800 (73H)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-11-05 through 2024-11-12

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat

Sun
-

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

Duration: 4:36, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-11-13 through 2024-11-20

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Duration: 4:36, non-stop
Boeing 737 (73J)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-11-14 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 MAX 9 (7M9)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Operates only on 2024-11-18

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Duration: 4:36, non-stop
Boeing 737-800 (73H)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:33

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 473)

Duration: 4:33, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Operates only on 2024-11-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:33, non-stop
Boeing 737 (73J)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Effective 2024-11-25 through 2024-11-30

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:33, non-stop
Boeing 737-800 (73H)

Qatar Airways QR3394

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 (73J)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Effective 2024-11-27 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 737-900 (739)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Operates only on 2024-12-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Duration: 4:33, non-stop
Boeing 737 (73J)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:34

Seattle-Tacoma (SEA)

Operates only on 2024-12-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Duration: 4:34, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:34

Seattle-Tacoma (SEA)

Effective 2024-12-04 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 (73J)

Qatar Airways QR3394

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 (73J)

Qatar Airways QR3394

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective 2025-03-19 through 2025-04-21

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 QR4287

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Valid until 2024-09-26

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 QR4297

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective 2025-04-22 through 2025-05-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

JAL JL5439

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Valid until 2024-09-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

JAL JL5439

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Operates only on 2024-09-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Duration: 4:26, non-stop
Boeing 737-900 (739)

JAL JL5439

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective 2024-09-16 through 2024-09-27

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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

JAL JL5439

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Operates only on 2024-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:26, non-stop
Boeing 737-900 (739)

JAL JL5439

07:00

Saint Louis (STL) 1

09:26

Seattle-Tacoma (SEA)

Effective 2024-09-29 through 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 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Effective 2024-10-01 through 2024-10-08

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

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

Duration: 4:31, non-stop
Boeing 737 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Operates only on 2024-10-02

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Duration: 4:31, non-stop
Boeing 737-900 (739)

JAL JL5439

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Effective 2024-10-04 through 2024-10-10

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

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

Duration: 4:31, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Effective 2024-10-11 through 2024-10-18

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

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

Duration: 4:31, non-stop
Boeing 737 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Effective 2024-10-16 through 2024-10-23

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:31, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Effective 2024-10-20 through 2024-10-25

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

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

Duration: 4:31, non-stop
Boeing 737 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:31

Seattle-Tacoma (SEA)

Operates only on 2024-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:31, non-stop
Boeing 737-900 (739)

JAL JL5439

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-10-27 through 2024-11-02

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

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

Duration: 4:36, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-10-30 through 2024-11-06

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

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

Duration: 4:36, non-stop
Boeing 737 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-11-04 through 2024-11-11

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

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

Duration: 4:36, non-stop
Boeing 737-800 (73H)

JAL JL5439

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-11-05 through 2024-11-12

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat

Sun
-

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

Duration: 4:36, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-11-13 through 2024-11-20

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Duration: 4:36, non-stop
Boeing 737 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Effective 2024-11-14 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 MAX 9 (7M9)

JAL JL5439

07:00

Saint Louis (STL) 1

09:36

Seattle-Tacoma (SEA)

Operates only on 2024-11-18

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Duration: 4:36, non-stop
Boeing 737-800 (73H)

JAL JL5439

07:00

Saint Louis (STL) 1

09:33

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 473)

Duration: 4:33, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Operates only on 2024-11-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:33, non-stop
Boeing 737 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Effective 2024-11-25 through 2024-11-30

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Duration: 4:33, non-stop
Boeing 737-800 (73H)

JAL JL5439

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 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Effective 2024-11-27 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 737-900 (739)

JAL JL5439

07:00

Saint Louis (STL) 1

09:33

Seattle-Tacoma (SEA)

Operates only on 2024-12-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Duration: 4:33, non-stop
Boeing 737 (73J)

JAL JL5439

07:00

Saint Louis (STL) 1

09:34

Seattle-Tacoma (SEA)

Operates only on 2024-12-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Duration: 4:34, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5439

07:00

Saint Louis (STL) 1

09:34

Seattle-Tacoma (SEA)

Effective 2024-12-04 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 (73J)

JAL JL5439

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 (73J)

JAL JL5439

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 (73J)

JAL JL5439

09:15

Saint Louis (STL) 1

11:57

Seattle-Tacoma (SEA)

Effective 2025-03-09 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 (73J)

American Airlines AA7468

14:15

Saint Louis (STL) 1

16:41

Seattle-Tacoma (SEA)

Effective from 2025-03-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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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