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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Sat,Sun 06:00 Denver (DEN) 07:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 MAX 9 (7M9) 2:59 Valid until 2024-09-03
Codeshare flight, operated by Alaska Airlines.(AS 643)
Thu 06:00 Denver (DEN) 07:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737-900 (739) 2:59 Operates only on 2024-09-05
Codeshare flight, operated by Alaska Airlines.(AS 643)
Tue,Thu,Sat 06:00 Denver (DEN) 07:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 2:59 Effective 2024-09-07 through 2024-09-17
Codeshare flight, operated by Alaska Airlines.(AS 643)
Sun 06:00 Denver (DEN) 07:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737-800 (73H) 2:59 Effective 2024-09-08 through 2024-09-15
Codeshare flight, operated by Alaska Airlines.(AS 643)
Thu 06:00 Denver (DEN) 07:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737-800 (73H) 2:59 Operates only on 2024-09-19
Codeshare flight, operated by Alaska Airlines.(AS 643)
Tue,Thu,Sat,Sun 06:00 Denver (DEN) 07:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 2:59 Effective 2024-09-21 through 2024-09-26
Codeshare flight, operated by Alaska Airlines.(AS 643)
Sat 06:00 Denver (DEN) 07:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 MAX 9 (7M9) 2:59 Operates only on 2024-09-28
Codeshare flight, operated by Alaska Airlines.(AS 643)
Sun 06:00 Denver (DEN) 07:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 2:59 Operates only on 2024-09-29
Codeshare flight, operated by Alaska Airlines.(AS 643)
Mon,Wed,Fri,Sat 18:40 Denver (DEN) 20:47 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 3:07 Effective 2025-02-14 through 2025-03-07
Codeshare flight, operated by Alaska Airlines.(AS 525)
Mon,Fri 19:50 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 MAX 9 (7M9) 3:10 Effective 2024-12-06 through 2024-12-09
Codeshare flight, operated by Alaska Airlines.(AS 705)
Fri 19:50 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 3:10 Operates only on 2024-12-13
Codeshare flight, operated by Alaska Airlines.(AS 705)
Mon 19:50 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737-800 (73H) 3:10 Operates only on 2024-12-16
Codeshare flight, operated by Alaska Airlines.(AS 705)
Mon,Fri 19:56 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 MAX 9 (7M9) 3:04 Effective 2024-10-28 through 2024-11-01
Codeshare flight, operated by Alaska Airlines.(AS 705)
Mon 19:56 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 MAX 9 (7M9) 3:04 Effective 2024-11-04 through 2024-11-18
Codeshare flight, operated by Alaska Airlines.(AS 705)
Fri 19:56 Denver (DEN) 22:00 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 3:04 Effective 2024-11-08 through 2024-11-15
Codeshare flight, operated by Alaska Airlines.(AS 705)
Wed,Fri 21:40 Denver (DEN) 23:44 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 3:04 Effective 2024-11-22 through 2024-11-27
Codeshare flight, operated by Alaska Airlines.(AS 705)
Sat 21:40 Denver (DEN) 23:44 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 MAX 9 (7M9) 3:04 Effective 2024-11-23 through 2024-11-30
Codeshare flight, operated by Alaska Airlines.(AS 705)
Mon,Fri 21:40 Denver (DEN) 23:44 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737-800 (73H) 3:04 Effective 2024-11-25 through 2024-11-29
Codeshare flight, operated by Alaska Airlines.(AS 705)
Mon 21:40 Denver (DEN) 23:44 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 3:04 Operates only on 2024-12-02
Codeshare flight, operated by Alaska Airlines.(AS 705)
Mon,Wed,Fri,Sat 21:45 Denver (DEN) 23:45 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 3:00 Effective from 2025-06-13
Codeshare flight, operated by Alaska Airlines.(AS 1164)
Mon,Wed,Fri 21:50 Denver (DEN) 23:59 Seattle-Tacoma (SEA)
Singapore Airlines SQ 1219 Non-stop Boeing 737 (73J) 3:09 Effective 2024-12-20 through 2025-01-03
Codeshare flight, operated by Alaska Airlines.(AS 705)




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Singapore Airlines flights from Denver (DEN) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Singapore Airlines SQ1219
06:00
Denver (DEN)

07:59
Seattle-Tacoma (SEA)
Valid until 2024-09-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 2:59, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1219
06:00
Denver (DEN)

07:59
Seattle-Tacoma (SEA)
Operates only on 2024-09-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 2:59, non-stop
Boeing 737-900 (739)
Singapore Airlines SQ1219
06:00
Denver (DEN)

07:59
Seattle-Tacoma (SEA)
Effective 2024-09-07 through 2024-09-17
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 2:59, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
06:00
Denver (DEN)

07:59
Seattle-Tacoma (SEA)
Effective 2024-09-08 through 2024-09-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 2:59, non-stop
Boeing 737-800 (73H)
Singapore Airlines SQ1219
06:00
Denver (DEN)

07:59
Seattle-Tacoma (SEA)
Operates only on 2024-09-19
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 2:59, non-stop
Boeing 737-800 (73H)
Singapore Airlines SQ1219
06:00
Denver (DEN)

07:59
Seattle-Tacoma (SEA)
Effective 2024-09-21 through 2024-09-26
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 2:59, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
06:00
Denver (DEN)

07:59
Seattle-Tacoma (SEA)
Operates only on 2024-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 2:59, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1219
06:00
Denver (DEN)

07:59
Seattle-Tacoma (SEA)
Operates only on 2024-09-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 643)
Duration: 2:59, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
18:40
Denver (DEN)

20:47
Seattle-Tacoma (SEA)
Effective 2025-02-14 through 2025-03-07
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 525)
Duration: 3:07, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
19:50
Denver (DEN)

22:00
Seattle-Tacoma (SEA)
Effective 2024-12-06 through 2024-12-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:10, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1219
19:50
Denver (DEN)

22:00
Seattle-Tacoma (SEA)
Operates only on 2024-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:10, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
19:50
Denver (DEN)

22:00
Seattle-Tacoma (SEA)
Operates only on 2024-12-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Singapore Airlines SQ1219
19:56
Denver (DEN)

22:00
Seattle-Tacoma (SEA)
Effective 2024-10-28 through 2024-11-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:04, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1219
19:56
Denver (DEN)

22:00
Seattle-Tacoma (SEA)
Effective 2024-11-04 through 2024-11-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:04, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1219
19:56
Denver (DEN)

22:00
Seattle-Tacoma (SEA)
Effective 2024-11-08 through 2024-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:04, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
21:40
Denver (DEN)

23:44
Seattle-Tacoma (SEA)
Effective 2024-11-22 through 2024-11-27
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:04, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
21:40
Denver (DEN)

23:44
Seattle-Tacoma (SEA)
Effective 2024-11-23 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:04, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1219
21:40
Denver (DEN)

23:44
Seattle-Tacoma (SEA)
Effective 2024-11-25 through 2024-11-29
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:04, non-stop
Boeing 737-800 (73H)
Singapore Airlines SQ1219
21:40
Denver (DEN)

23:44
Seattle-Tacoma (SEA)
Operates only on 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:04, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
21:45
Denver (DEN)

23:45
Seattle-Tacoma (SEA)
Effective from 2025-06-13
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 1164)
Duration: 3:00, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1219
21:50
Denver (DEN)

23:59
Seattle-Tacoma (SEA)
Effective 2024-12-20 through 2025-01-03
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 705)
Duration: 3:09, non-stop
Boeing 737 (73J)
  • A domestic route departing from the Denver airport (DEN) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1022 miles, or 1644 km.
  • The timezone of the departure airport is UTC-7 , 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 2:59 and 3:10.
All DEN-SEA flights
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