Singapore Airlines flights from Seattle-Tacoma (SEA) to Denver (DEN).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Thu,Sat,Sun 10:23 Seattle-Tacoma (SEA) 14:07 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:44 Effective from 2024-10-27
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue,Thu,Sat 10:40 Seattle-Tacoma (SEA) 14:24 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:44 Valid until 2024-01-06
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue,Thu 10:42 Seattle-Tacoma (SEA) 14:25 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:43 Effective 2024-02-15 through 2024-03-07
Codeshare flight, operated by Alaska Airlines.(AS 620)
Sat 10:42 Seattle-Tacoma (SEA) 14:25 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737-900 (739) 2:43 Operates only on 2024-02-17
Codeshare flight, operated by Alaska Airlines.(AS 620)
Sat 10:42 Seattle-Tacoma (SEA) 14:25 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Effective 2024-02-24 through 2024-03-09
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue 10:42 Seattle-Tacoma (SEA) 14:25 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 MAX 9 (7M9) 2:43 Operates only on 2024-03-12
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue,Thu,Sat 10:58 Seattle-Tacoma (SEA) 14:45 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:47 Effective 2024-04-16 through 2024-05-14
Codeshare flight, operated by Alaska Airlines.(AS 620)
Sat 11:20 Seattle-Tacoma (SEA) 15:02 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:42 Effective 2024-03-16 through 2024-04-13
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue,Thu 11:27 Seattle-Tacoma (SEA) 15:09 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:42 Effective 2024-03-14 through 2024-04-11
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue,Thu,Sat 13:00 Seattle-Tacoma (SEA) 16:44 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:44 Effective 2024-05-16 through 2024-06-01
Codeshare flight, operated by Alaska Airlines.(AS 602)
Tue,Thu,Sat,Sun 13:00 Seattle-Tacoma (SEA) 16:44 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:44 Effective 2024-06-02 through 2024-10-26
Codeshare flight, operated by Alaska Airlines.(AS 602)
Tue,Thu,Sat 13:16 Seattle-Tacoma (SEA) 16:54 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737-800 (73H) 2:38 Effective 2024-01-09 through 2024-01-16
Codeshare flight, operated by Alaska Airlines.(AS 620)
Thu 13:16 Seattle-Tacoma (SEA) 16:54 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Operates only on 2024-01-18
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue,Thu,Sat 13:16 Seattle-Tacoma (SEA) 16:54 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737-800 (73H) 2:38 Effective 2024-01-20 through 2024-01-30
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue,Thu,Sat 13:16 Seattle-Tacoma (SEA) 16:54 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:38 Effective 2024-02-01 through 2024-02-06
Codeshare flight, operated by Alaska Airlines.(AS 620)
Thu 13:16 Seattle-Tacoma (SEA) 16:54 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 MAX 9 (7M9) 2:38 Operates only on 2024-02-08
Codeshare flight, operated by Alaska Airlines.(AS 620)
Tue,Sat 13:16 Seattle-Tacoma (SEA) 16:54 Denver (DEN)
Singapore Airlines SQ 1218 Non-stop Boeing 737 (73J) 2:38 Effective 2024-02-10 through 2024-02-13
Codeshare flight, operated by Alaska Airlines.(AS 620)


Singapore Airlines flights from Seattle-Tacoma (SEA) to Denver (DEN).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective from 2024-10-27
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:44, non-stop
Boeing 737 (73J)

Valid until 2024-01-06
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:44, non-stop
Boeing 737 (73J)

Effective 2024-02-15 through 2024-03-07
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:43, non-stop
Boeing 737 (73J)

Operates only on 2024-02-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:43, non-stop
Boeing 737-900 (739)

Effective 2024-02-24 through 2024-03-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-03-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-04-16 through 2024-05-14
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:47, non-stop
Boeing 737 (73J)

Effective 2024-03-16 through 2024-04-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:42, non-stop
Boeing 737 (73J)

Effective 2024-03-14 through 2024-04-11
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:42, non-stop
Boeing 737 (73J)

Effective 2024-05-16 through 2024-06-01
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 602)
Duration: 2:44, non-stop
Boeing 737 (73J)

Effective 2024-06-02 through 2024-10-26
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 602)
Duration: 2:44, non-stop
Boeing 737 (73J)

Effective 2024-01-09 through 2024-01-16
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:38, non-stop
Boeing 737-800 (73H)

Operates only on 2024-01-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-01-20 through 2024-01-30
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:38, non-stop
Boeing 737-800 (73H)

Effective 2024-02-01 through 2024-02-06
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:38, non-stop
Boeing 737 (73J)

Operates only on 2024-02-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:38, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-02-10 through 2024-02-13
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 620)
Duration: 2:38, non-stop
Boeing 737 (73J)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Denver airport (DEN).
  • The flight distance is 1022 miles, or 1644 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . 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 2:38 and 2:47.