Singapore Airlines
flight
SQ 1231:
Spokane - Seattle-Tacoma
Spokane - Seattle-Tacoma
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Codeshare Flights:
Singapore Airlines SQ1231
Effective from 2025-10-26
Mon
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Tue
Wed
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Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 2023)
Duration: 1:07, non-stop Embraer EMB 175 (E75)
Singapore Airlines SQ1231
Effective 2025-05-15 through 2025-05-20
Mon
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Tue
Wed
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Thu
Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 966)
Duration: 1:11, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Operates only on 2025-05-22
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Tue
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Wed
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 966)
Duration: 1:11, non-stop Boeing 737-800 (73H)
Singapore Airlines SQ1231
Effective 2025-05-25 through 2025-05-30
Mon
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Tue
Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 966)
Duration: 1:11, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Effective 2025-06-01 through 2025-06-08
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 966)
Duration: 1:11, non-stop Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1231
Effective 2025-06-03 through 2025-06-10
Mon
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Tue
Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 966)
Duration: 1:11, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Effective 2025-08-21 through 2025-10-03
Mon
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Tue
Wed
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Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 966)
Duration: 1:14, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Effective 2025-10-04 through 2025-10-25
Mon
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Tue
Wed
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Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 966)
Duration: 1:13, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Valid until 2025-05-10
Mon
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Tue
Wed
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Thu
Fri
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Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:06, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Operates only on 2025-05-11
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:06, non-stop Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1231
Operates only on 2025-05-13
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:06, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Effective 2025-05-17 through 2025-06-07
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 2309)
Duration: 1:09, non-stop Embraer EMB 175 (E75)
Singapore Airlines SQ1231
Operates only on 2025-06-12
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737-800 (73H)
Singapore Airlines SQ1231
Effective 2025-06-13 through 2025-06-27
Mon
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Tue
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Wed
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Thu
Fri
Sat
Sun
-
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Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Operates only on 2025-06-15
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1231
Effective 2025-06-17 through 2025-07-01
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737-700 (73G)
Singapore Airlines SQ1231
Effective 2025-06-22 through 2025-06-29
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737-800 (73H)
Singapore Airlines SQ1231
Operates only on 2025-06-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1231
Effective 2025-07-03 through 2025-07-13
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Effective 2025-07-15 through 2025-07-20
Mon
-
-
Tue
Wed
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Thu
-
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Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737-800 (73H)
Singapore Airlines SQ1231
Effective 2025-07-17 through 2025-07-26
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Effective 2025-07-27 through 2025-08-02
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Operates only on 2025-08-03
Mon
-
-
Tue
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Wed
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Thu
-
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Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1231
Effective 2025-08-05 through 2025-08-15
Mon
-
-
Tue
Wed
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-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Operates only on 2025-08-09
Mon
-
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
-
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Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737-800 (73H)
Singapore Airlines SQ1231
Effective 2025-08-16 through 2025-08-17
Mon
-
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Tue
-
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Wed
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Thu
-
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Fri
-
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737 (73J)
Singapore Airlines SQ1231
Operates only on 2025-08-19
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Alaska Airlines.
(AS 963)
Duration: 1:14, non-stop Boeing 737-800 (73H)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here GEG-SEA
- SQ 1231 is a domestic flight departing from the Spokane airport (GEG) and arriving at Seattle-Tacoma airport (SEA).
- The flight distance is 223 miles, or 359 km.
- The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 1:06 and 1:14.