Singapore Airlines flights from Seattle-Tacoma (SEA) to Saint Louis (STL).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 12:38 Seattle-Tacoma (SEA) 18:34 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737-800 (73H) 3:56 Operates only on 2024-09-01 Codeshare flight, operated by Alaska Airlines.(AS 515)
Thu,Sun 12:38 Seattle-Tacoma (SEA) 18:34 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:56 Effective 2024-09-05 through 2024-09-29 Codeshare flight, operated by Alaska Airlines.(AS 515)
Tue,Thu,Sat,Sun 12:45 Seattle-Tacoma (SEA) 18:37 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:52 Effective from 2025-05-15 Codeshare flight, operated by Alaska Airlines.(AS 291)
Tue,Thu,Sat,Sun 15:45 Seattle-Tacoma (SEA) 21:35 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:50 Effective 2025-01-07 through 2025-03-18 Codeshare flight, operated by Alaska Airlines.(AS 388)
Tue,Thu,Sat,Sun 17:45 Seattle-Tacoma (SEA) 23:41 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:56 Effective 2025-03-20 through 2025-05-13 Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue,Thu,Sat,Sun 18:04 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:55 Effective 2024-12-19 through 2025-01-05 Codeshare flight, operated by Alaska Airlines.(AS 472)
Thu,Sun 18:06 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:53 Effective 2024-12-05 through 2024-12-15 Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue,Sat 18:08 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:51 Valid until 2024-09-10 Codeshare flight, operated by Alaska Airlines.(AS 472)
Sat 18:08 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737-900 (739) 3:51 Operates only on 2024-09-14 Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue,Sat 18:08 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:51 Effective 2024-09-17 through 2024-09-28 Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue 18:08 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737-900 (739) 3:50 Operates only on 2024-10-01 Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue,Thu 18:08 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 MAX 9 (7M9) 3:50 Effective 2024-10-03 through 2024-10-08 Codeshare flight, operated by Alaska Airlines.(AS 472)
Thu,Sat,Sun 18:08 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:50 Effective 2024-10-05 through 2024-10-24 Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue 18:08 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 MAX 9 (7M9) 3:50 Effective 2024-10-15 through 2024-10-22 Codeshare flight, operated by Alaska Airlines.(AS 472)
Sat 18:08 Seattle-Tacoma (SEA) 23:58 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 MAX 9 (7M9) 3:50 Operates only on 2024-10-26 Codeshare flight, operated by Alaska Airlines.(AS 472)
Thu,Sun 18:11 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 MAX 9 (7M9) 3:48 Effective 2024-10-27 through 2024-10-31 Codeshare flight, operated by Alaska Airlines.(AS 472)
Sun 18:11 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737-800 (73H) 3:48 Effective 2024-11-03 through 2024-11-24 Codeshare flight, operated by Alaska Airlines.(AS 472)
Thu 18:11 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 MAX 9 (7M9) 3:48 Effective 2024-11-07 through 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 472)
Sat 18:11 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 MAX 9 (7M9) 3:48 Operates only on 2024-11-23 Codeshare flight, operated by Alaska Airlines.(AS 472)
Tue,Sun 18:11 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737-900 (739) 3:48 Effective 2024-11-26 through 2024-12-01 Codeshare flight, operated by Alaska Airlines.(AS 472)
Sat 18:11 Seattle-Tacoma (SEA) 23:59 Saint Louis (STL) 1 Singapore Airlines SQ 1735 Non-stop Boeing 737 (73J) 3:48 Operates only on 2024-11-30 Codeshare flight, operated by Alaska Airlines.(AS 472)

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 , and the timezone of the arrival airport is UTC-6 . 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 3:48 and 3:56.

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FLIGHT SCHEDULE

Direct Codeshare Flights:

Singapore Airlines SQ1735

12:38

Seattle-Tacoma (SEA)

18:34

Saint Louis (STL) 1

Operates only on 2024-09-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 515)

Duration: 3:56, non-stop
Boeing 737-800 (73H)

Singapore Airlines SQ1735

12:38

Seattle-Tacoma (SEA)

18:34

Saint Louis (STL) 1

Effective 2024-09-05 through 2024-09-29

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 515)

Duration: 3:56, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1735

12:45

Seattle-Tacoma (SEA)

18:37

Saint Louis (STL) 1

Effective from 2025-05-15

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun

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

Duration: 3:52, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1735

15:45

Seattle-Tacoma (SEA)

21:35

Saint Louis (STL) 1

Effective 2025-01-07 through 2025-03-18

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun

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

Duration: 3:50, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1735

17:45

Seattle-Tacoma (SEA)

23:41

Saint Louis (STL) 1

Effective 2025-03-20 through 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 (73J)

Singapore Airlines SQ1735

18:04

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

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

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:55, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1735

18:06

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Effective 2024-12-05 through 2024-12-15

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:53, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1735

18:08

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Valid until 2024-09-10

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:51, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1735

18:08

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Operates only on 2024-09-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:51, non-stop
Boeing 737-900 (739)

Singapore Airlines SQ1735

18:08

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Effective 2024-09-17 through 2024-09-28

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:51, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1735

18:08

Seattle-Tacoma (SEA)

23:58

Saint Louis (STL) 1

Operates only on 2024-10-01

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:50, non-stop
Boeing 737-900 (739)

Singapore Airlines SQ1735

18:08

Seattle-Tacoma (SEA)

23:58

Saint Louis (STL) 1

Effective 2024-10-03 through 2024-10-08

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:50, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1735

18:08

Seattle-Tacoma (SEA)

23:58

Saint Louis (STL) 1

Effective 2024-10-05 through 2024-10-24

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:50, non-stop
Boeing 737 (73J)

Singapore Airlines SQ1735

18:08

Seattle-Tacoma (SEA)

23:58

Saint Louis (STL) 1

Effective 2024-10-15 through 2024-10-22

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:50, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1735

18:08

Seattle-Tacoma (SEA)

23:58

Saint Louis (STL) 1

Operates only on 2024-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:50, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1735

18:11

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Effective 2024-10-27 through 2024-10-31

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:48, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1735

18:11

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Effective 2024-11-03 through 2024-11-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:48, non-stop
Boeing 737-800 (73H)

Singapore Airlines SQ1735

18:11

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Effective 2024-11-07 through 2024-11-21

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:48, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1735

18:11

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Operates only on 2024-11-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:48, non-stop
Boeing 737 MAX 9 (7M9)

Singapore Airlines SQ1735

18:11

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Effective 2024-11-26 through 2024-12-01

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:48, non-stop
Boeing 737-900 (739)

Singapore Airlines SQ1735

18:11

Seattle-Tacoma (SEA)

23:59

Saint Louis (STL) 1

Operates only on 2024-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 472)

Duration: 3:48, non-stop
Boeing 737 (73J)

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 , and the timezone of the arrival airport is UTC-6 . 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 3:48 and 3:56.

All SEA-STL flights

All Singapore Airlines flights

Return (STL-SEA) flights

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