Flights from Denver Airport DEN to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £52.55

One-way from £29.46

Flights are available to Denver International from Seattle-Tacoma International with a choice of 22 airliners, Frontier Airlines, WestJet, Copa Airlines, Air Transport International, Japan Airlines, Icelandair, Condor, American Airlines, Jet Linx Aviation, All Nippon Airways, Air France, Volaris, Frontier, Virgin Atlantic, Qatar Airways, Korean Air, KLM, Air Tahiti Nui, Delta Air Lines, Alaska Airlines, Southwest Airlines and United Airlines. The flight time from Denver International to Seattle-Tacoma International is around 2 Hours 45 Minutes and you will cover 1,645 Km (1,022 Miles). The airport code for Denver International is DEN and for Seattle-Tacoma International it is SEA.

The price of the flight is dependent on the time of the day you fly (if there is a choice) and the day of the week with weekends being normally a higher price. If you are looking to get the cheapest flights possible then we recommend you travel mid week or in the late evening. On occasions, airliners may have special offers so look out for these. Flights to Seattle-Tacoma International United States normally increase in price the nearer the journey date, so it is worth trying to book your tickets in advance if you can.

The time zone at Seattle-Tacoma International is 8.0 GMT compared to 7.0 GMT at Denver International so bare this in mind is you need to make travel arrangements when you arrive at Seattle-Tacoma International.

The table below shows the amount of daily flights in operation from Denver International (DEN) to Seattle-Tacoma International (SEA).

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Airlines545554509:4723:00VIEW FLIGHTS
Southwest Airlines544553410:0523:55VIEW FLIGHTS
Alaska Airlines544443408:4221:49VIEW FLIGHTS
Delta Air Lines333333308:2821:56VIEW FLIGHTS
Air Tahiti Nui433333106:4517:39VIEW FLIGHTS
Korean Air333333106:4521:56VIEW FLIGHTS
KLM333333108:2821:56VIEW FLIGHTS
Virgin Atlantic222222108:2814:04VIEW FLIGHTS
Qatar Airways222222106:4512:50VIEW FLIGHTS
Volaris211122007:2021:34VIEW FLIGHTS
Frontier111122116:0221:40VIEW FLIGHTS
Air France111112111:5514:04VIEW FLIGHTS
Jet Linx Aviation111111106:4506:45VIEW FLIGHTS
All Nippon Airways111111111:3513:36VIEW FLIGHTS
Japan Airlines111111008:4208:42VIEW FLIGHTS
Icelandair111111012:5012:50VIEW FLIGHTS
Condor111111012:5012:50VIEW FLIGHTS
American Airlines111111017:3917:39VIEW FLIGHTS
WestJet101111021:5621:56VIEW FLIGHTS
Copa Airlines101110120:5723:00VIEW FLIGHTS
Air Transport International101111022:0522:45VIEW FLIGHTS
Frontier Airlines100000007:2007:20VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 33 flights a week. The earliest flights are operated at 09:47 and the latest flights operated at 23:00 and the most common flight numbers are UA1257, UA1399, UA2201 and UA2651

Contact United Airlines at united.com to booking a flight or find up to date information on the flight times.

Below you can see the times of all flights. These flight times do vary so we recommend you look on the appropriate airline website for accurate information for the dates you are departing.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
06:45
AirlineFlightNo
Jet Linx AviationJL6365
07:20
AirlineFlightNo
Frontier AirlinesF91175
VolarisY42754
08:28
AirlineFlightNo
Korean AirKE3014
KLMKL6763
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:42
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Japan AirlinesJL6365
Qatar AirwaysQR2036
09:47
AirlineFlightNo
United AirlinesUA1399
10:05
AirlineFlightNo
Southwest AirlinesWN2911
12:35
AirlineFlightNo
Air Tahiti NuiTN2377
Alaska AirlinesAS519
12:50
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
13:30
AirlineFlightNo
Southwest AirlinesWN4260
13:36
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
14:04
AirlineFlightNo
Air FranceAF2325
KLMKL7185
Delta Air LinesDL664
Virgin AtlanticVS2070
16:02
AirlineFlightNo
VolarisY48983
FrontierF94647
17:39
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS617
American AirlinesAA7501
18:08
AirlineFlightNo
United AirlinesUA1257
18:25
AirlineFlightNo
Southwest AirlinesWN512
21:05
AirlineFlightNo
Southwest AirlinesWN4262
21:08
AirlineFlightNo
United AirlinesUA2201
21:49
AirlineFlightNo
Alaska AirlinesAS705
21:56
AirlineFlightNo
Korean AirKE3045
WestJetWS6788
KLMKL5798
Delta Air LinesDL2956
22:45
AirlineFlightNo
Air Transport International8C3482
23:00
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
23:55
AirlineFlightNo
Southwest AirlinesWN4263
VIEW FLIGHTS
Tuesday
06:45
AirlineFlightNo
Jet Linx AviationJL6365
08:28
AirlineFlightNo
Korean AirKE3014
KLMKL6763
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:42
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Japan AirlinesJL6365
Qatar AirwaysQR2036
09:47
AirlineFlightNo
United AirlinesUA1399
10:05
AirlineFlightNo
Southwest AirlinesWN2911
12:50
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
13:36
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
14:04
AirlineFlightNo
Air FranceAF2325
KLMKL7185
Delta Air LinesDL664
Virgin AtlanticVS2070
15:00
AirlineFlightNo
Southwest AirlinesWN445
17:39
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS617
American AirlinesAA7501
18:08
AirlineFlightNo
United AirlinesUA1257
20:20
AirlineFlightNo
Southwest AirlinesWN4533
20:35
AirlineFlightNo
VolarisY42134
FrontierF91815
21:08
AirlineFlightNo
United AirlinesUA2201
21:49
AirlineFlightNo
Alaska AirlinesAS705
21:56
AirlineFlightNo
Korean AirKE3045
KLMKL5798
Delta Air LinesDL2956
22:55
AirlineFlightNo
Southwest AirlinesWN4263
VIEW FLIGHTS
Wednesday
06:45
AirlineFlightNo
Jet Linx AviationJL6365
08:28
AirlineFlightNo
Korean AirKE3014
KLMKL6763
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:42
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Japan AirlinesJL6365
Qatar AirwaysQR2036
09:47
AirlineFlightNo
United AirlinesUA1399
10:05
AirlineFlightNo
Southwest AirlinesWN2911
12:50
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
13:36
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
14:04
AirlineFlightNo
Air FranceAF2325
KLMKL7185
Delta Air LinesDL664
Virgin AtlanticVS2070
15:00
AirlineFlightNo
Southwest AirlinesWN445
16:58
AirlineFlightNo
VolarisY48015
FrontierF93405
17:39
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS617
American AirlinesAA7501
18:08
AirlineFlightNo
United AirlinesUA1257
20:20
AirlineFlightNo
Southwest AirlinesWN4533
21:08
AirlineFlightNo
United AirlinesUA2201
21:49
AirlineFlightNo
Alaska AirlinesAS705
21:56
AirlineFlightNo
Korean AirKE3045
WestJetWS6760
KLMKL5798
Delta Air LinesDL2956
22:36
AirlineFlightNo
Air Transport International8C3482
22:55
AirlineFlightNo
Southwest AirlinesWN4263
23:00
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
VIEW FLIGHTS
Thursday
06:45
AirlineFlightNo
Jet Linx AviationJL6365
08:28
AirlineFlightNo
Korean AirKE3014
KLMKL6763
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:42
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Japan AirlinesJL6365
Qatar AirwaysQR2036
09:47
AirlineFlightNo
United AirlinesUA1399
10:05
AirlineFlightNo
Southwest AirlinesWN2911
12:50
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
13:30
AirlineFlightNo
Southwest AirlinesWN4260
13:36
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
14:04
AirlineFlightNo
Air FranceAF2325
KLMKL7185
Delta Air LinesDL664
Virgin AtlanticVS2070
17:39
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS617
American AirlinesAA7501
18:08
AirlineFlightNo
United AirlinesUA1257
18:25
AirlineFlightNo
Southwest AirlinesWN512
21:05
AirlineFlightNo
Southwest AirlinesWN4262
21:08
AirlineFlightNo
United AirlinesUA2201
21:14
AirlineFlightNo
VolarisY42534
FrontierF94625
21:49
AirlineFlightNo
Alaska AirlinesAS705
21:56
AirlineFlightNo
Korean AirKE3045
WestJetWS6739
KLMKL5798
Delta Air LinesDL2956
22:05
AirlineFlightNo
Air Transport International8C3482
23:00
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
23:55
AirlineFlightNo
Southwest AirlinesWN4263
VIEW FLIGHTS
Friday
06:45
AirlineFlightNo
Jet Linx AviationJL6365
08:28
AirlineFlightNo
Korean AirKE3014
KLMKL6763
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:42
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Japan AirlinesJL6365
Qatar AirwaysQR2036
09:47
AirlineFlightNo
United AirlinesUA1399
10:05
AirlineFlightNo
Southwest AirlinesWN2911
12:50
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
13:30
AirlineFlightNo
Southwest AirlinesWN4260
13:36
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
14:04
AirlineFlightNo
Air FranceAF2325
KLMKL7185
Delta Air LinesDL664
Virgin AtlanticVS2070
17:03
AirlineFlightNo
VolarisY42202
FrontierF92359
17:39
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS617
American AirlinesAA7501
18:08
AirlineFlightNo
United AirlinesUA1257
18:25
AirlineFlightNo
Southwest AirlinesWN512
21:05
AirlineFlightNo
Southwest AirlinesWN4262
21:08
AirlineFlightNo
United AirlinesUA2201
21:34
AirlineFlightNo
VolarisY42122
FrontierF91607
21:49
AirlineFlightNo
Alaska AirlinesAS705
21:56
AirlineFlightNo
Korean AirKE3045
WestJetWS6794
KLMKL5798
Delta Air LinesDL2956
22:35
AirlineFlightNo
Air Transport International8C3482
23:00
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
23:55
AirlineFlightNo
Southwest AirlinesWN4263
VIEW FLIGHTS
Saturday
06:45
AirlineFlightNo
Jet Linx AviationJL6365
08:28
AirlineFlightNo
Korean AirKE3014
KLMKL6763
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:42
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Japan AirlinesJL6365
Qatar AirwaysQR2036
09:47
AirlineFlightNo
United AirlinesUA1399
11:05
AirlineFlightNo
Southwest AirlinesWN2911
12:50
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
13:36
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
13:55
AirlineFlightNo
VolarisY42171
FrontierF92147
14:04
AirlineFlightNo
Air FranceAF2325
KLMKL7185
Delta Air LinesDL664
Virgin AtlanticVS2070
16:15
AirlineFlightNo
Southwest AirlinesWN512
17:39
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS617
American AirlinesAA7501
18:08
AirlineFlightNo
United AirlinesUA1257
20:32
AirlineFlightNo
VolarisY48983
FrontierF94647
20:55
AirlineFlightNo
Southwest AirlinesWN4262
21:08
AirlineFlightNo
United AirlinesUA2201
21:56
AirlineFlightNo
Korean AirKE3045
WestJetWS6667
Air FranceAF2290
KLMKL5798
Delta Air LinesDL2956
22:07
AirlineFlightNo
Air Transport International8C3482
VIEW FLIGHTS
Sunday
06:45
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Qatar AirwaysQR2036
Jet Linx AviationJL6365
08:28
AirlineFlightNo
Delta Air LinesDL1731
08:42
AirlineFlightNo
Alaska AirlinesAS643
09:47
AirlineFlightNo
United AirlinesUA1399
10:10
AirlineFlightNo
Southwest AirlinesWN2911
11:35
AirlineFlightNo
All Nippon AirwaysNH7375
11:55
AirlineFlightNo
Air FranceAF2325
KLMKL7185
Virgin AtlanticVS2070
12:50
AirlineFlightNo
Alaska AirlinesAS681
13:36
AirlineFlightNo
United AirlinesUA690
14:04
AirlineFlightNo
Delta Air LinesDL664
14:40
AirlineFlightNo
Southwest AirlinesWN445
17:39
AirlineFlightNo
Alaska AirlinesAS617
18:08
AirlineFlightNo
United AirlinesUA1257
20:15
AirlineFlightNo
Southwest AirlinesWN3325
20:57
AirlineFlightNo
Copa AirlinesCM1141
21:08
AirlineFlightNo
United AirlinesUA2201
21:40
AirlineFlightNo
FrontierF94649
21:49
AirlineFlightNo
Alaska AirlinesAS705
21:56
AirlineFlightNo
Delta Air LinesDL2956
22:20
AirlineFlightNo
Southwest AirlinesWN4263
23:00
AirlineFlightNo
United AirlinesUA2651
VIEW FLIGHTS

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Flight Price FAQ - Denver (DEN) to Seattle (SEA)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from Denver DEN to Seattle SEA?
The cheapest direct flight one way from Denver DEN to Seattle SEA is £29.46 ($37 €34.44)
£29.46
$37 | €34.44
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from Denver DEN to Seattle SEA?
The cheapest direct return flight from Denver DEN to Seattle SEA is £52.55 ($66 €61.44)
£52.55
$66 | €61.44
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from DEN to SEA

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Flight Info FAQ - Denver (DEN) to Seattle (SEA)

Who flies from Denver to Seattle?
The following airlines fly from Denver (DEN) to Seattle (SEA): Air France, Air Tahiti Nui, Air Transport International, Alaska Airlines, All Nippon Airways, American Airlines, Condor, Copa Airlines, Delta Air Lines, Frontier, Frontier Airlines, Icelandair, Japan Airlines, Jet Linx Aviation, KLM, Korean Air, Qatar Airways, Southwest Airlines, United Airlines, Virgin Atlantic, Volaris, WestJet.
How far is the flight from Denver to Seattle?
The flight from Denver to Seattle is 1,645KM or 1,022 miles.
How long does the flight from Denver to Seattle to take?
The flight from Denver to Seattle takes 2 Hours 45 Minutes.

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Useful Information about Denver Airport

New Q1 Passenger Number Record Set at Denver Airport – Up 19% Year on Year

Denver Airport achieved a new record in passenger numbers during the first quarter. There was a notable increase of 19% compared to the same period last year. Compared to the pre-pandemic figures of the first quarter, the numbers surpassed them by an impressive 15%.

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Lounges at Denver Airport

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Eating and Drinking at Denver Airport

See all bars and restaurants at Denver Airport, including locations and if they are before or after check-in

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Duty Free Shopping at Denver Airport

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