All airlines flying from Saint Louis (STL) to Seattle-Tacoma (SEA).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Sat
06:30
Saint Louis (STL) 1
08:47
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-17 through 2025-05-24 |
| Sat
06:30
Saint Louis (STL) 1
08:47
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737-800 (73H) 4:17 Operates only on 2025-05-31 |
| Sat
06:30
Saint Louis (STL) 1
08:47
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737 (73J) 4:17 Operates only on 2025-06-07 |
| Thu,Fri
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737 (73J) 4:17 Effective 2025-05-15 through 2025-05-16 |
| Mon-Fri,Sun
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-18 through 2025-05-23 |
| Thu,Sun
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737 (73J) 4:17 Effective 2025-05-25 through 2025-05-29 |
| Mon-Wed,Fri
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-26 through 2025-06-04 |
| Sun
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737-800 (73H) 4:17 Operates only on 2025-06-01 |
| Mon-Fri,Sun
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Alaska Airlines AS 504 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-06-05 through 2025-06-11 |
| Wed
18:18
Saint Louis (STL) 1
20:45
Seattle-Tacoma (SEA) Alaska Airlines AS 575 Non-stop Boeing 737 (73J) 4:27 Operates only on 2025-06-11 |
| Tue,Wed
11:40
Saint Louis (STL) 2
14:00
Seattle-Tacoma (SEA) Southwest Airlines WN 785 Non-stop Boeing 737-800 (73H) 4:20 Effective 2025-06-10 through 2025-07-30 |
| Mon,Thu,Fri
14:25
Saint Louis (STL) 2
16:45
Seattle-Tacoma (SEA) Southwest Airlines WN 1342 Non-stop Boeing 737-800 (73H) 4:20 Effective 2025-08-07 through 2025-09-29 |
| Sat
09:20
Saint Louis (STL) 2
11:40
Seattle-Tacoma (SEA) Southwest Airlines WN 1354 Non-stop Boeing 737-800 (73H) 4:20 Effective 2025-08-09 through 2025-09-27 |
| Sun
11:10
Saint Louis (STL) 2
13:30
Seattle-Tacoma (SEA) Southwest Airlines WN 1354 Non-stop Boeing 737-800 (73H) 4:20 Effective 2025-08-10 through 2025-08-24 |
| Sun
11:10
Saint Louis (STL) 2
13:30
Seattle-Tacoma (SEA) Southwest Airlines WN 1354 Non-stop Boeing 737-800 (73H) 4:20 Effective 2025-09-07 through 2025-09-28 |
| Sat
12:00
Saint Louis (STL) 2
14:20
Seattle-Tacoma (SEA) Southwest Airlines WN 1490 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-06-07 through 2025-08-02 |
| Fri
13:45
Saint Louis (STL) 2
16:05
Seattle-Tacoma (SEA) Southwest Airlines WN 2951 Non-stop Boeing 737-700 (73W) 4:20 Operates only on 2025-07-04 |
| Sun
17:55
Saint Louis (STL) 2
20:15
Seattle-Tacoma (SEA) Southwest Airlines WN 2951 Non-stop Boeing 737-700 (73W) 4:20 Effective 2025-06-08 through 2025-08-03 |
| Mon,Thu,Fri
15:35
Saint Louis (STL) 2
17:55
Seattle-Tacoma (SEA) Southwest Airlines WN 4473 Non-stop Boeing 737-700 (73W) 4:20 Effective 2025-06-05 through 2025-07-03 |
| Mon,Thu,Fri
15:35
Saint Louis (STL) 2
17:55
Seattle-Tacoma (SEA) Southwest Airlines WN 4473 Non-stop Boeing 737-700 (73W) 4:20 Effective 2025-07-07 through 2025-08-04 |
| Non-Direct Flights: |
| Sat
16:15
Saint Louis (STL) 2
21:05
Seattle-Tacoma (SEA) Southwest Airlines WN 1519 1-stop Boeing 737-700 (Scimitar Winglets) 6:50 Effective 2025-10-04 through 2025-11-01 |
| Daily
17:45
Saint Louis (STL) 1
23:09
Seattle-Tacoma (SEA) United Airlines UA 1603 1-stop Airbus A319 (319) 7:24 Effective 2025-08-19 through 2025-09-01 |
| Mon-Sat
17:41
Saint Louis (STL) 1
00:59
Seattle-Tacoma (SEA) United Airlines UA 2110 1-stop Airbus A319 (319) 9:18 Effective 2025-08-01 through 2025-08-18 The flight arrives 1 day after departure. |
| Sun
17:51
Saint Louis (STL) 1
00:59
Seattle-Tacoma (SEA) United Airlines UA 2110 1-stop Boeing 737 MAX 9 (7M9) 9:08 Effective 2025-08-03 through 2025-08-17 The flight arrives 1 day after departure. |
| Tue,Wed
18:05
Saint Louis (STL) 2
23:00
Seattle-Tacoma (SEA) Southwest Airlines WN 2960 1-stop Boeing 737-700 (73W) 6:55 Valid until 2025-06-04 |
| Sun
16:00
Saint Louis (STL) 2
21:05
Seattle-Tacoma (SEA) Southwest Airlines WN 4426 1-stop Boeing 737-800 (73H) 7:05 Valid until 2025-05-18 |
| Sun
16:00
Saint Louis (STL) 2
21:05
Seattle-Tacoma (SEA) Southwest Airlines WN 4426 1-stop Boeing 737-800 (73H) 7:05 Operates only on 2025-06-01 |
| Fri
08:25
Saint Louis (STL) 2
15:05
Seattle-Tacoma (SEA) Southwest Airlines WN 834 2-stop Boeing 737-700 (73W) 8:40 Operates only on 2025-07-04 |
| Mon-Wed
09:50
Saint Louis (STL) 2
19:10
Seattle-Tacoma (SEA) Southwest Airlines WN 2848 3-stop Boeing 737-700 (Scimitar Winglets) 11:20 Effective 2025-11-25 through 2025-12-01 |
| Mon,Tue,Fri,Sun
09:50
Saint Louis (STL) 2
19:10
Seattle-Tacoma (SEA) Southwest Airlines WN 2848 3-stop Boeing 737-700 (Scimitar Winglets) 11:20 Effective 2025-12-19 through 2026-01-04 |
| Direct Codeshare Flights: |
| Mon,Wed,Thu,Sat,Sun
06:30
Saint Louis (STL) 1
08:54
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 MAX 9 (7M9) 4:24 Effective 2025-05-03 through 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Sat
06:30
Saint Louis (STL) 1
08:47
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-17 through 2025-05-24 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Sat
06:30
Saint Louis (STL) 1
08:47
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737-800 (73H) 4:17 Operates only on 2025-05-31 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Sat
06:30
Saint Louis (STL) 1
08:47
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 (73J) 4:17 Operates only on 2025-06-07 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Wed,Thu
06:30
Saint Louis (STL) 1
09:00
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 (73J) 4:30 Effective 2025-08-20 through 2025-08-21 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon,Wed,Thu,Sat,Sun
06:41
Saint Louis (STL) 1
09:10
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 (73J) 4:29 Effective 2025-06-12 through 2025-07-10 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Sat
06:41
Saint Louis (STL) 1
09:10
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 MAX 9 (7M9) 4:29 Operates only on 2025-07-12 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Mon,Wed,Thu,Sat,Sun
06:41
Saint Louis (STL) 1
09:10
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 (73J) 4:29 Effective 2025-07-13 through 2025-08-18 Codeshare flight, operated by Alaska Airlines.(AS 473) |
| Thu
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 (73J) 4:17 Operates only on 2025-05-15 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Mon,Wed,Thu,Sun
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-18 through 2025-05-22 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Thu,Sun
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 (73J) 4:17 Effective 2025-05-25 through 2025-05-29 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Mon,Wed
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-05-26 through 2025-06-04 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Sun
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737-800 (73H) 4:17 Operates only on 2025-06-01 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Mon,Wed,Thu,Sun
07:00
Saint Louis (STL) 1
09:17
Seattle-Tacoma (SEA) Finnair AY 2588 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Effective 2025-06-05 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 504) |
| Mon-Fri
19:32
Saint Louis (STL) 1
22:00
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2611 Non-stop Boeing 737 MAX 9 (7M9) 4:28 Effective 2025-06-12 through 2025-06-20 Codeshare flight, operated by Alaska Airlines.(AS 291) |
| Sun
19:32
Saint Louis (STL) 1
22:00
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2611 Non-stop Boeing 737 (73J) 4:28 Operates only on 2025-06-15 Codeshare flight, operated by Alaska Airlines.(AS 291) |
| Mon-Fri,Sun
19:32
Saint Louis (STL) 1
22:00
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2611 Non-stop Boeing 737 MAX 9 (7M9) 4:28 Effective 2025-06-22 through 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 291) |
| Mon,Tue
19:32
Saint Louis (STL) 1
22:00
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2611 Non-stop Boeing 737 (73J) 4:28 Effective 2025-06-30 through 2025-07-01 Codeshare flight, operated by Alaska Airlines.(AS 291) |
| Mon,Wed,Thu,Sun
19:32
Saint Louis (STL) 1
22:00
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2611 Non-stop Boeing 737 MAX 9 (7M9) 4:28 Effective 2025-07-02 through 2025-07-10 Codeshare flight, operated by Alaska Airlines.(AS 291) |
| Mon,Tue
19:32
Saint Louis (STL) 1
22:00
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2611 Non-stop Boeing 737 (73J) 4:28 Effective 2025-07-08 through 2025-07-14 Codeshare flight, operated by Alaska Airlines.(AS 291) |
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Parallax here STL-SEA
- 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 4:17 and 4:31.
