Flights from Seattle to Denver
Pick a departure date to see flights and seller prices
We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.
Seattle-Tacoma International (SEA) to Denver International (DEN) at a glance
- flights a week
- 49
- flights today
- 7
- airlines
- 4
- flight time
- 2h 30m - 7h 10m
- distance
- 1,022 mi (1,645 km)
- first and last departure
- 05:05 - 10:06
Seattle-Tacoma International (SEA) to Denver International (DEN) flight schedule
49 flights a week. Departure and arrival times are local.
FlightDepartsArrivesDurationDaysAircraft
UA 757
United Airlines
05:05
Seattle-Tacoma International
08:42
Denver International
2h 37m
Daily
Boeing 737-900
WN 1679
Southwest Airlines
05:30
Seattle-Tacoma International
09:00
Denver International
2h 30m
Sat
Boeing 737
WN 4956
Southwest Airlines
06:05
Seattle-Tacoma International
09:35
Denver International
2h 30m
Fri
WN 4956
Southwest Airlines
06:10
Seattle-Tacoma International
09:45
Denver International
2h 35m
Mon, Tue, Wed, Thu
Boeing 737
WN 4956
Southwest Airlines
06:15
Seattle-Tacoma International
09:45
Denver International
2h 30m
Mon, Thu, Fri, Sun
Boeing 737
WN 4956
Southwest Airlines
06:45
Seattle-Tacoma International
10:15
Denver International
2h 30m
Sat
Boeing 737
WN 1030
Southwest Airlines
07:05
Seattle-Tacoma International
15:15
Denver International
7h 10m
Sat
AS 682
Alaska Airlines
07:23
Seattle-Tacoma International
11:14
Denver International
2h 51m
Mon, Tue, Wed, Thu, Fri, Sun
Boeing 737
AS 682
Alaska Airlines
07:37
Seattle-Tacoma International
11:21
Denver International
2h 44m
Mon, Fri
Boeing 737-900
DL 1358
Delta
08:30
Seattle-Tacoma International
12:17
Denver International
2h 47m
Daily
Airbus A220-300
UA 1505
United Airlines
08:30
Seattle-Tacoma International
12:14
Denver International
2h 44m
Daily
Boeing 737-800
WN 2150
Southwest Airlines
09:10
Seattle-Tacoma International
12:45
Denver International
2h 35m
Mon, Thu, Fri, Sun
WN 2150
Southwest Airlines
09:25
Seattle-Tacoma International
13:00
Denver International
2h 35m
Mon, Tue, Wed, Thu
Boeing 737
WN 2150
Southwest Airlines
09:30
Seattle-Tacoma International
13:05
Denver International
2h 35m
Tue, Wed
Boeing 737
AS 535
Alaska Airlines
10:06
Seattle-Tacoma International
13:58
Denver International
2h 52m
Daily
Boeing 737-900
Seasonal and one-off flights
Not operating in the next two weeks. The first of them is on 24 November.
FlightDepartsArrivesDurationDaysAircraft
WN 4956
Southwest Airlines
05:15
Seattle-Tacoma International
08:50
Denver International
2h 35m
Seasonal
Boeing 737
WN 4956
Southwest Airlines
06:55
Seattle-Tacoma International
10:25
Denver International
2h 30m
Seasonal
Boeing 737
WN 4598
Southwest Airlines
05:30
Seattle-Tacoma International
09:00
Denver International
2h 30m
Seasonal
Boeing 737
UA 1686
United Airlines
05:05
Seattle-Tacoma International
08:42
Denver International
2h 37m
Seasonal
Airbus A320
AS 682
Alaska Airlines
07:25
Seattle-Tacoma International
11:10
Denver International
2h 45m
Seasonal
Boeing 737-800
UA 1356
United Airlines
08:30
Seattle-Tacoma International
12:14
Denver International
2h 44m
Seasonal
Boeing 737-800
UA 2601
United Airlines
05:00
Seattle-Tacoma International
08:41
Denver International
2h 41m
Seasonal
Airbus A320
AS 682
Alaska Airlines
07:32
Seattle-Tacoma International
11:17
Denver International
2h 45m
Seasonal
Boeing 737-900
UA 2632
United Airlines
08:38
Seattle-Tacoma International
12:23
Denver International
2h 45m
Seasonal
Airbus A320
AS 535
Alaska Airlines
10:05
Seattle-Tacoma International
13:50
Denver International
2h 45m
Seasonal
Boeing 737-900
DL 3694
Delta
08:25
Seattle-Tacoma International
12:17
Denver International
2h 52m
Seasonal
Embraer 175
UA 1686
United Airlines
05:00
Seattle-Tacoma International
08:41
Denver International
2h 41m
Seasonal
Airbus A320
AS 682
Alaska Airlines
07:05
Seattle-Tacoma International
10:49
Denver International
2h 44m
Seasonal
Boeing 737-900
WN 3485
Southwest Airlines
06:55
Seattle-Tacoma International
10:25
Denver International
2h 30m
Seasonal
Boeing 737
WN 3485
Southwest Airlines
06:40
Seattle-Tacoma International
10:10
Denver International
2h 30m
Seasonal
Boeing 737
WN 2952
Southwest Airlines
10:00
Seattle-Tacoma International
13:40
Denver International
2h 40m
Seasonal
Boeing 737-800
WN 3485
Southwest Airlines
05:15
Seattle-Tacoma International
08:45
Denver International
2h 30m
Seasonal
Boeing 737
WN 3486
Southwest Airlines
09:15
Seattle-Tacoma International
12:45
Denver International
2h 30m
Seasonal
Boeing 737
UA 1686
United Airlines
05:07
Seattle-Tacoma International
08:49
Denver International
2h 42m
Seasonal
Boeing 737
WN 3485
Southwest Airlines
05:30
Seattle-Tacoma International
09:00
Denver International
2h 30m
Seasonal
Boeing 737
Days of the week are taken from the schedule for the next 14 days; schedules change by season. Denver is 1 hour ahead of Seattle.
Airlines flying Seattle-Tacoma International (SEA) to Denver International (DEN)
Nonstop flights a week by the current schedule
Southwest Airlines
United Airlines
Alaska Airlines
DeltaFrequently asked questions
How many nonstop flights are there from Seattle-Tacoma International (SEA) to Denver International (DEN)?
49 nonstop flights a week by the current schedule, 31 flight numbers, 7 today.
How long is the flight from Seattle-Tacoma International (SEA) to Denver International (DEN)?
From 2 hours 30 minutes to 7 hours 10 minutes nonstop, depending on the flight.
Which airlines fly nonstop from Seattle-Tacoma International (SEA) to Denver International (DEN)?
Southwest Airlines (15 a week), United Airlines (14 a week), Alaska Airlines (13 a week) and Delta (7 a week).
How far is Denver International (DEN) from Seattle-Tacoma International (SEA)?
1,022 mi (1,645 km) in a straight line.
What are the earliest and latest flights from Seattle-Tacoma International (SEA) to Denver International (DEN)?
The first departure is at 05:05 (United Airlines), the last at 10:06 (Alaska Airlines), local time.