All airlines flying from Saint Louis (STL) to Seattle-Tacoma (SEA).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Tue,Wed
14:50
Saint Louis (STL) 1
17:25
Seattle-Tacoma (SEA) Hawaiian Airlines HA 7126 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2026-02-10 through 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 618) |
| Wed
14:55
Saint Louis (STL) 1
17:21
Seattle-Tacoma (SEA) Hawaiian Airlines HA 7126 Non-stop Boeing 737 (737) 4:26 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Daily
14:55
Saint Louis (STL) 1
17:22
Seattle-Tacoma (SEA) Hawaiian Airlines HA 7126 Non-stop Boeing 737 (737) 4:27 Effective 2026-03-19 through 2026-04-21 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Sun
15:19
Saint Louis (STL) 1
17:58
Seattle-Tacoma (SEA) Hawaiian Airlines HA 7126 Non-stop Boeing 737 MAX 9 (7M9) 4:39 Effective 2026-02-15 through 2026-03-15 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Daily
17:26
Saint Louis (STL) 1
19:59
Seattle-Tacoma (SEA) Hawaiian Airlines HA 7126 Non-stop Boeing 737 (737) 4:33 Valid until 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 388) |
| Sat
18:19
Saint Louis (STL) 1
20:54
Seattle-Tacoma (SEA) Hawaiian Airlines HA 7126 Non-stop Boeing 737 (737) 4:35 Operates only on 2026-01-10 Codeshare flight, operated by Alaska Airlines.(AS 388) |
| Sat
18:19
Saint Louis (STL) 1
20:54
Seattle-Tacoma (SEA) Hawaiian Airlines HA 7126 Non-stop Boeing 737 MAX 9 (7M9) 4:35 Operates only on 2026-01-17 Codeshare flight, operated by Alaska Airlines.(AS 388) |
| Sat
18:19
Saint Louis (STL) 1
20:54
Seattle-Tacoma (SEA) Hawaiian Airlines HA 7126 Non-stop Boeing 737 (737) 4:35 Effective 2026-01-24 through 2026-02-07 Codeshare flight, operated by Alaska Airlines.(AS 388) |
| Mon,Thu-Sat
14:47
Saint Louis (STL) 1
17:26
Seattle-Tacoma (SEA) American Airlines AA 7415 Non-stop Boeing 737 (737) 4:39 Effective 2026-02-12 through 2026-02-19 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Fri
14:47
Saint Louis (STL) 1
17:26
Seattle-Tacoma (SEA) American Airlines AA 7415 Non-stop Boeing 737 MAX 8 (7M8) 4:39 Operates only on 2026-02-20 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Mon,Thu-Sat
14:47
Saint Louis (STL) 1
17:26
Seattle-Tacoma (SEA) American Airlines AA 7415 Non-stop Boeing 737 (737) 4:39 Effective 2026-02-21 through 2026-03-16 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Wed
14:55
Saint Louis (STL) 1
17:21
Seattle-Tacoma (SEA) American Airlines AA 7415 Non-stop Boeing 737 (737) 4:26 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Daily
14:55
Saint Louis (STL) 1
17:22
Seattle-Tacoma (SEA) American Airlines AA 7415 Non-stop Boeing 737 (737) 4:27 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Daily
15:03
Saint Louis (STL) 1
17:32
Seattle-Tacoma (SEA) American Airlines AA 7415 Non-stop Boeing 737 (737) 4:29 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Sun
15:19
Saint Louis (STL) 1
17:58
Seattle-Tacoma (SEA) American Airlines AA 7415 Non-stop Boeing 737 (737) 4:39 Effective 2026-02-15 through 2026-03-15 Codeshare flight, operated by Alaska Airlines.(AS 314) |
| Daily
17:26
Saint Louis (STL) 1
19:59
Seattle-Tacoma (SEA) American Airlines AA 7468 Non-stop Boeing 737 (737) 4:33 Valid until 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 388) |
| Daily
18:22
Saint Louis (STL) 1
20:50
Seattle-Tacoma (SEA) American Airlines AA 7514 Non-stop Boeing 737 (737) 4:28 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 503) |
| Daily
06:41
Saint Louis (STL) 1
09:12
Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:31 Effective from 2026-06-10 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Daily
07:00
Saint Louis (STL) 1
09:39
Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:39 Valid until 2026-01-07 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon-Fri,Sun
07:00
Saint Louis (STL) 1
09:42
Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:42 Effective 2026-02-13 through 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Wed
07:00
Saint Louis (STL) 1
09:26
Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:26 Operates only on 2026-03-18 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 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Daily
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:17 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Sat
18:19
Saint Louis (STL) 1
20:54
Seattle-Tacoma (SEA) American Airlines AA 7628 Non-stop Boeing 737 (737) 4:35 Effective 2026-01-10 through 2026-02-07 Codeshare flight, operated by Alaska Airlines.(AS 388) |
| Daily
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Qatar Airways QR 8813 Non-stop Boeing 737 (73J) 4:17 Effective 2026-05-13 through 2026-06-09 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Daily
06:41
Saint Louis (STL) 1
09:12
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:31 Effective from 2026-06-10 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon,Sun
07:00
Saint Louis (STL) 1
09:39
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737-800 (73H) 4:39 Valid until 2026-01-04 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon-Wed
07:00
Saint Louis (STL) 1
09:39
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 MAX 9 (7M9) 4:39 Valid until 2026-01-05 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Tue,Thu-Sat
07:00
Saint Louis (STL) 1
09:39
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:39 Valid until 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon,Wed-Fri,Sun
07:00
Saint Louis (STL) 1
09:42
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:42 Effective 2026-02-13 through 2026-02-23 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Tue
07:00
Saint Louis (STL) 1
09:42
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 MAX 9 (7M9) 4:42 Operates only on 2026-02-17 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon-Fri,Sun
07:00
Saint Louis (STL) 1
09:42
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:42 Effective 2026-02-24 through 2026-03-06 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon-Thu,Sun
07:00
Saint Louis (STL) 1
09:42
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:42 Effective 2026-03-08 through 2026-03-16 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Fri
07:00
Saint Louis (STL) 1
09:42
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 MAX 9 (7M9) 4:42 Operates only on 2026-03-13 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Tue
07:00
Saint Louis (STL) 1
09:42
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737-800 (73H) 4:42 Operates only on 2026-03-17 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Wed
07:00
Saint Louis (STL) 1
09:26
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:26 Operates only on 2026-03-18 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Daily
07:00
Saint Louis (STL) 1
09:31
Seattle-Tacoma (SEA) Qatar Airways QR 8886 Non-stop Boeing 737 (73J) 4:31 Effective 2026-03-19 through 2026-05-12 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon-Thu,Sun
14:50
Saint Louis (STL) 1
17:25
Seattle-Tacoma (SEA) American Airlines AA 9271 Non-stop Boeing 737 (737) 4:35 Effective 2026-01-07 through 2026-01-15 Codeshare flight, operated by Alaska Airlines.(AS 618) |
| Fri
14:50
Saint Louis (STL) 1
17:25
Seattle-Tacoma (SEA) American Airlines AA 9271 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Operates only on 2026-01-09 Codeshare flight, operated by Alaska Airlines.(AS 618) |
| Mon-Fri,Sun
14:50
Saint Louis (STL) 1
17:25
Seattle-Tacoma (SEA) American Airlines AA 9271 Non-stop Boeing 737 (737) 4:35 Effective 2026-01-16 through 2026-02-01 Codeshare flight, operated by Alaska Airlines.(AS 618) |
| Mon
14:50
Saint Louis (STL) 1
17:25
Seattle-Tacoma (SEA) American Airlines AA 9271 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Operates only on 2026-02-02 Codeshare flight, operated by Alaska Airlines.(AS 618) |
| Mon-Fri,Sun
14:50
Saint Louis (STL) 1
17:25
Seattle-Tacoma (SEA) American Airlines AA 9271 Non-stop Boeing 737 (737) 4:35 Effective 2026-02-03 through 2026-02-09 Codeshare flight, operated by Alaska Airlines.(AS 618) |
| Tue,Wed
14:50
Saint Louis (STL) 1
17:25
Seattle-Tacoma (SEA) American Airlines AA 9271 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2026-02-10 through 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 618) |
| Daily
15:24
Saint Louis (STL) 1
17:52
Seattle-Tacoma (SEA) American Airlines AA 9271 Non-stop Boeing 737 (737) 4:28 Effective from 2026-06-10 Codeshare flight, operated by Alaska Airlines.(AS 388) |
| Daily
19:32
Saint Louis (STL) 1
22:01
Seattle-Tacoma (SEA) American Airlines AA 9443 Non-stop Boeing 737 (737) 4:29 Effective 2026-06-10 through 2026-10-02 Codeshare flight, operated by Alaska Airlines.(AS 291) |
- 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 4:15 and 4:42.
