Qatar Airways flights from Seattle-Tacoma (SEA) to Saint Louis (STL).

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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 18:03 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 2969 Non-stop Boeing 737 MAX 9 (7M9) 3:56 Valid until 2025-05-13
Codeshare flight, operated by Alaska Airlines.(AS 472)
Wed 18:03 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 2969 Non-stop Boeing 737 (73J) 3:56 Operates only on 2025-05-14
Codeshare flight, operated by Alaska Airlines.(AS 472)
Thu 18:04 Seattle-Tacoma (SEA) 00:04 Saint Louis (STL) 1
Qatar Airways QR 3344 Non-stop Boeing 737 (73J) 4:00 Operates only on 2025-05-15
Codeshare flight, operated by Alaska Airlines.(AS 238)
The flight arrives 1 day after departure.
Daily 18:04 Seattle-Tacoma (SEA) 00:04 Saint Louis (STL) 1
Qatar Airways QR 3344 Non-stop Boeing 737 MAX 9 (7M9) 4:00 Effective 2025-05-16 through 2025-05-23
Codeshare flight, operated by Alaska Airlines.(AS 238)
The flight arrives 1 day after departure.
Wed,Sat 18:04 Seattle-Tacoma (SEA) 00:04 Saint Louis (STL) 1
Qatar Airways QR 3344 Non-stop Boeing 737 (73J) 4:00 Effective 2025-05-24 through 2025-05-28
Codeshare flight, operated by Alaska Airlines.(AS 238)
The flight arrives 1 day after departure.
Mon,Tue,Thu,Sun 18:04 Seattle-Tacoma (SEA) 00:04 Saint Louis (STL) 1
Qatar Airways QR 3344 Non-stop Boeing 737 MAX 9 (7M9) 4:00 Effective 2025-05-25 through 2025-06-03
Codeshare flight, operated by Alaska Airlines.(AS 238)
The flight arrives 1 day after departure.
Fri,Sat 18:04 Seattle-Tacoma (SEA) 00:04 Saint Louis (STL) 1
Qatar Airways QR 3344 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-05-30 through 2025-05-31
Codeshare flight, operated by Alaska Airlines.(AS 238)
The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 18:04 Seattle-Tacoma (SEA) 00:04 Saint Louis (STL) 1
Qatar Airways QR 3344 Non-stop Boeing 737 MAX 9 (7M9) 4:00 Effective 2025-06-04 through 2025-06-10
Codeshare flight, operated by Alaska Airlines.(AS 238)
The flight arrives 1 day after departure.
Wed,Fri 18:04 Seattle-Tacoma (SEA) 00:04 Saint Louis (STL) 1
Qatar Airways QR 3344 Non-stop Boeing 737 (73J) 4:00 Effective 2025-06-06 through 2025-06-11
Codeshare flight, operated by Alaska Airlines.(AS 238)
The flight arrives 1 day after departure.
Daily 18:00 Seattle-Tacoma (SEA) 23:56 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 (73J) 3:56 Effective 2025-10-04 through 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 472)
Daily 18:00 Seattle-Tacoma (SEA) 23:56 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 (73J) 3:56 Effective from 2026-02-12
Codeshare flight, operated by Alaska Airlines.(AS 472)
Daily 18:03 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 (73J) 3:56 Effective 2025-08-20 through 2025-10-03
Codeshare flight, operated by Alaska Airlines.(AS 472)
Daily 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 (73J) 3:53 Effective 2025-06-12 through 2025-07-03
Codeshare flight, operated by Alaska Airlines.(AS 472)
Mon-Thu,Sat,Sun 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 (73J) 3:53 Effective 2025-07-05 through 2025-07-17
Codeshare flight, operated by Alaska Airlines.(AS 472)
Fri 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 MAX 9 (7M9) 3:53 Operates only on 2025-07-11
Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue,Wed,Fri-Sun 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 (73J) 3:53 Effective 2025-07-18 through 2025-07-27
Codeshare flight, operated by Alaska Airlines.(AS 472)
Mon,Thu 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 MAX 9 (7M9) 3:53 Effective 2025-07-21 through 2025-07-24
Codeshare flight, operated by Alaska Airlines.(AS 472)
Mon-Wed,Fri-Sun 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 (73J) 3:53 Effective 2025-07-28 through 2025-08-06
Codeshare flight, operated by Alaska Airlines.(AS 472)
Thu 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 MAX 9 (7M9) 3:53 Operates only on 2025-07-31
Codeshare flight, operated by Alaska Airlines.(AS 472)
Daily 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 (73J) 3:53 Effective 2025-08-07 through 2025-08-18
Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1
Qatar Airways QR 3418 Non-stop Boeing 737 MAX 9 (7M9) 3:53 Operates only on 2025-08-19
Codeshare flight, operated by Alaska Airlines.(AS 472)
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Qatar Airways flights from Seattle-Tacoma (SEA) to Saint Louis (STL).
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Codeshare Flights:

Valid until 2025-05-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:56, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:56, non-stop
Boeing 737 (73J)

Operates only on 2025-05-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 238)
Duration: 4:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Effective 2025-05-16 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 238)
Duration: 4:00, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Effective 2025-05-24 through 2025-05-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 238)
Duration: 4:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Effective 2025-05-25 through 2025-06-03
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 238)
Duration: 4:00, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Effective 2025-05-30 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 238)
Duration: 4:00, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Effective 2025-06-04 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 238)
Duration: 4:00, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Effective 2025-06-06 through 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 238)
Duration: 4:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Effective 2025-10-04 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:56, non-stop
Boeing 737 (73J)

Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:56, non-stop
Boeing 737 (73J)

Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:56, non-stop
Boeing 737 (73J)

Effective 2025-06-12 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 (73J)

Effective 2025-07-05 through 2025-07-17
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 (73J)

Operates only on 2025-07-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-07-18 through 2025-07-27
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 (73J)

Effective 2025-07-21 through 2025-07-24
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-07-28 through 2025-08-06
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 (73J)

Operates only on 2025-07-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-08-07 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 (73J)

Operates only on 2025-08-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 472)
Duration: 3:53, non-stop
Boeing 737 MAX 9 (7M9)
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Saint Louis airport (STL).
  • The flight distance is 1704 miles, or 2743 km.
  • The timezone of the departure airport is UTC-8 (plus 1h DST), and the timezone of the arrival airport is UTC-6 (plus 1h DST). Current time at the point of departure is 10:07pm, and 12:07am at the point of arrival. There is a 2 hour time difference between the airports.
  • For direct flights, the flight time varies between 3:53 and 4:00.