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Direct flights from Denver International (DEN) to Seattle-Tacoma International (SEA)

40 nonstop flights a week from Denver International (DEN) to Seattle-Tacoma International (SEA) with 4 airlines, 2h 50m to 5h 20m in the air, 1,022 mi (1,645 km). Departures from 06:00 to 11:50.

Flights from Denver to Seattle

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Denver International (DEN) to Seattle-Tacoma International (SEA) at a glance

flights a week
40
flights today
5
airlines
4
flight time
2h 50m - 5h 20m
distance
1,022 mi (1,645 km)
first and last departure
06:00 - 11:50

Denver International (DEN) to Seattle-Tacoma International (SEA) flight schedule

40 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
DL 1731
Delta
06:00 Denver International
08:12 Seattle-Tacoma International
3h 12m
Daily
Airbus A220-300
AS 317
Alaska Airlines
06:01 Denver International
08:11 Seattle-Tacoma International
3h 10m
Mon, Fri, Sat, Sun
Boeing 737-900
WN 4784
Southwest Airlines
06:15 Denver International
08:25 Seattle-Tacoma International
3h 10m
Thu, Fri
AS 317
Alaska Airlines
07:03 Denver International
09:07 Seattle-Tacoma International
3h 4m
Daily
Boeing 737
UA 2271
United Airlines
07:40 Denver International
09:47 Seattle-Tacoma International
3h 7m
Daily
Airbus A319
WN 1788
Southwest Airlines
08:30 Denver International
10:40 Seattle-Tacoma International
3h 10m
Mon, Thu, Fri, Sun
Boeing 737
WN 1370
Southwest Airlines
08:50 Denver International
11:00 Seattle-Tacoma International
3h 10m
Sat
Boeing 737-800
WN 1543
Southwest Airlines
08:50 Denver International
11:00 Seattle-Tacoma International
3h 10m
Mon, Tue, Wed, Thu
WN 1788
Southwest Airlines
09:00 Denver International
11:05 Seattle-Tacoma International
3h 5m
Sat
Boeing 737-800
UA 2302
United Airlines
11:50 Denver International
13:54 Seattle-Tacoma International
3h 4m
Daily
Boeing 737

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 1788
Southwest Airlines
08:35 Denver International
10:40 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737
WN 1788
Southwest Airlines
08:00 Denver International
10:15 Seattle-Tacoma International
3h 15m
Seasonal
Boeing 737
UA 1097
United Airlines
00:25 Denver International
02:32 Seattle-Tacoma International
3h 7m
Seasonal
Boeing 737
WN 1788
Southwest Airlines
09:10 Denver International
11:15 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737
AS 317
Alaska Airlines
07:00 Denver International
09:13 Seattle-Tacoma International
3h 13m
Seasonal
Boeing 737-900
UA 310
United Airlines
11:45 Denver International
13:49 Seattle-Tacoma International
3h 4m
Seasonal
Boeing 737-900
AS 682
Alaska Airlines
12:08 Denver International
14:18 Seattle-Tacoma International
3h 10m
Seasonal
Boeing 737-800
AS 317
Alaska Airlines
06:00 Denver International
08:10 Seattle-Tacoma International
3h 10m
Seasonal
Boeing 737-900
UA 2302
United Airlines
11:30 Denver International
13:35 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737
DL 1731
Delta
06:05 Denver International
08:23 Seattle-Tacoma International
3h 18m
Seasonal
Airbus A220-300
DL 1731
Delta
06:45 Denver International
08:59 Seattle-Tacoma International
3h 14m
Seasonal
Airbus A220-300
UA 2302
United Airlines
11:45 Denver International
13:50 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737-900
AS 682
Alaska Airlines
12:00 Denver International
14:05 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737-900
WN 1160
Southwest Airlines
09:05 Denver International
11:10 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737-800
WN 1017
Southwest Airlines
09:20 Denver International
11:25 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737
WN 1160
Southwest Airlines
08:30 Denver International
10:35 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737
AS 643
Alaska Airlines
07:00 Denver International
09:05 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737-900
UA 2271
United Airlines
08:00 Denver International
10:06 Seattle-Tacoma International
3h 6m
Seasonal
Boeing 737-800
WN 1160
Southwest Airlines
08:35 Denver International
10:40 Seattle-Tacoma International
3h 5m
Seasonal
Boeing 737
AS 512
Alaska Airlines
09:00 Denver International
11:03 Seattle-Tacoma International
3h 3m
Seasonal
Boeing 737-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Seattle is 1 hour behind Denver.

Airlines flying Denver International (DEN) to Seattle-Tacoma International (SEA)

Nonstop flights a week by the current schedule

United Airlines14 a week Southwest Airlines12 a week Alaska Airlines7 a week Delta7 a week

Frequently asked questions

How many nonstop flights are there from Denver International (DEN) to Seattle-Tacoma International (SEA)?
40 nonstop flights a week by the current schedule, 25 flight numbers, 5 today.
How long is the flight from Denver International (DEN) to Seattle-Tacoma International (SEA)?
From 2 hours 50 minutes to 5 hours 20 minutes nonstop, depending on the flight.
Which airlines fly nonstop from Denver International (DEN) to Seattle-Tacoma International (SEA)?
United Airlines (14 a week), Southwest Airlines (12 a week), Alaska Airlines (7 a week) and Delta (7 a week).
How far is Seattle-Tacoma International (SEA) from Denver International (DEN)?
1,022 mi (1,645 km) in a straight line.
What are the earliest and latest flights from Denver International (DEN) to Seattle-Tacoma International (SEA)?
The first departure is at 06:00 (Delta), the last at 11:50 (United Airlines), local time.