Flights from Denver Airport DEN to Seattle Airport SEA

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Returns from £45.50

One-way from £19.39

Flights are available to Denver International from Seattle-Tacoma International with a choice of 20 airliners, WestJet, Volaris, Condor, Air Transport International, Frontier, Copa Airlines, Jet Linx Aviation, Icelandair, Delta Air Lines, All Nippon Airways, Air France, Virgin Atlantic, Starlux, Qatar Airways, Korean Air, Delta Connection, Southwest Airlines, Hawaiian Airlines, Alaska 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 Airlines445550007:4521:12VIEW FLIGHTS
Southwest Airlines333330008:2020:50VIEW FLIGHTS
Hawaiian Airlines333330007:0020:26VIEW FLIGHTS
Alaska Airlines333330007:0020:26VIEW FLIGHTS
Starlux222220014:4120:26VIEW FLIGHTS
Qatar Airways222220007:0014:41VIEW FLIGHTS
Korean Air222220006:4007:00VIEW FLIGHTS
Delta Connection222220014:4121:08VIEW FLIGHTS
Virgin Atlantic122220006:4014:41VIEW FLIGHTS
Jet Linx Aviation111110007:0007:00VIEW FLIGHTS
Icelandair111110007:0007:00VIEW FLIGHTS
Delta Air Lines111110006:4006:40VIEW FLIGHTS
All Nippon Airways111110011:4211:45VIEW FLIGHTS
Air France111110006:4006:40VIEW FLIGHTS
Frontier100110009:1012:01VIEW FLIGHTS
Copa Airlines001110020:5420:54VIEW FLIGHTS
WestJet100010006:4006:40VIEW FLIGHTS
Volaris100010009:1009:10VIEW FLIGHTS
Condor100100014:4114:41VIEW FLIGHTS
Air Transport International011000021:5522:25VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 23 flights a week. The earliest flights are operated at 07:45 and the latest flights operated at 21:12 and the most common flight numbers are UA1263, UA1424, UA1865 and UA2013

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
06:40
AirlineFlightNo
Korean AirKE3014
WestJetWS7139
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
IcelandairFI7694
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:20
AirlineFlightNo
Southwest AirlinesWN4473
09:10
AirlineFlightNo
VolarisY42085
FrontierF91175
11:45
AirlineFlightNo
United AirlinesUA769
All Nippon AirwaysNH7375
14:41
AirlineFlightNo
Alaska AirlinesAS783
Hawaiian AirlinesHA4869
Qatar AirwaysQR2018
CondorDE5237
Delta ConnectionDL4168
StarluxJX7039
16:02
AirlineFlightNo
United AirlinesUA2013
18:16
AirlineFlightNo
Alaska AirlinesAS633
Hawaiian AirlinesHA4759
StarluxJX7037
18:40
AirlineFlightNo
Southwest AirlinesWN3493
20:45
AirlineFlightNo
Southwest AirlinesWN1603
21:08
AirlineFlightNo
Delta ConnectionDL3696
21:12
AirlineFlightNo
United AirlinesUA1865
VIEW FLIGHTS
Tuesday
06:40
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
IcelandairFI7694
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN356
11:45
AirlineFlightNo
United AirlinesUA769
All Nippon AirwaysNH7375
14:41
AirlineFlightNo
Alaska AirlinesAS783
Hawaiian AirlinesHA4869
Qatar AirwaysQR2018
Delta ConnectionDL4168
StarluxJX7039
Virgin AtlanticVS2070
15:45
AirlineFlightNo
Southwest AirlinesWN1372
16:02
AirlineFlightNo
United AirlinesUA2013
18:16
AirlineFlightNo
Alaska AirlinesAS633
Hawaiian AirlinesHA4759
StarluxJX7037
20:25
AirlineFlightNo
Southwest AirlinesWN1603
21:08
AirlineFlightNo
Delta ConnectionDL3696
21:12
AirlineFlightNo
United AirlinesUA1865
22:25
AirlineFlightNo
Air Transport International8C3375
VIEW FLIGHTS
Wednesday
06:40
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
IcelandairFI7694
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN356
11:45
AirlineFlightNo
United AirlinesUA769
All Nippon AirwaysNH7375
14:41
AirlineFlightNo
Alaska AirlinesAS783
Hawaiian AirlinesHA4869
Qatar AirwaysQR2018
Delta ConnectionDL4168
StarluxJX7039
Virgin AtlanticVS2070
15:45
AirlineFlightNo
Southwest AirlinesWN1372
16:02
AirlineFlightNo
United AirlinesUA2013
18:16
AirlineFlightNo
Alaska AirlinesAS633
Hawaiian AirlinesHA4759
StarluxJX7037
20:25
AirlineFlightNo
Southwest AirlinesWN1603
20:54
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:08
AirlineFlightNo
Delta ConnectionDL3696
21:12
AirlineFlightNo
United AirlinesUA1865
21:55
AirlineFlightNo
Air Transport International8C3375
VIEW FLIGHTS
Thursday
06:40
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
IcelandairFI7694
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN580
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:01
AirlineFlightNo
FrontierF91175
14:41
AirlineFlightNo
Alaska AirlinesAS783
Hawaiian AirlinesHA4869
Qatar AirwaysQR2018
CondorDE5237
Delta ConnectionDL4168
StarluxJX7039
Virgin AtlanticVS2070
17:20
AirlineFlightNo
Southwest AirlinesWN3063
18:04
AirlineFlightNo
United AirlinesUA2013
18:16
AirlineFlightNo
Alaska AirlinesAS633
Hawaiian AirlinesHA4759
StarluxJX7037
20:50
AirlineFlightNo
Southwest AirlinesWN659
20:54
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:08
AirlineFlightNo
United AirlinesUA1263
Delta ConnectionDL3696
VIEW FLIGHTS
Friday
06:40
AirlineFlightNo
Korean AirKE3014
WestJetWS7139
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
IcelandairFI7694
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN580
09:10
AirlineFlightNo
VolarisY42840
FrontierF94545
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
14:41
AirlineFlightNo
Alaska AirlinesAS783
Hawaiian AirlinesHA4869
Qatar AirwaysQR2018
Delta ConnectionDL4168
StarluxJX7039
Virgin AtlanticVS2070
17:20
AirlineFlightNo
Southwest AirlinesWN3063
18:04
AirlineFlightNo
United AirlinesUA2013
20:26
AirlineFlightNo
Alaska AirlinesAS633
Hawaiian AirlinesHA4759
StarluxJX7037
20:50
AirlineFlightNo
Southwest AirlinesWN659
20:54
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:08
AirlineFlightNo
United AirlinesUA1263
Delta ConnectionDL3696
VIEW FLIGHTS

You may instead fly from Denver International and arrive at Seattle-Tacoma International by an alternative airport or airports. The summary of this is in the table below.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Vail Eagle Eagle County to Seattle01,510 km (938 miles)2 Hours 35 Minutes
Hayden to Seattle01,431 km (889 miles)2 Hours 30 Minutes

Before departing Denver International please check that you are holding a valid passport.

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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 £19.39 ($26 €22.37)
£19.39
$26 | €22.37
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 £45.50 ($61 €52.49)
£45.50
$61 | €52.49
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 Transport International, Alaska Airlines, All Nippon Airways, Condor, Copa Airlines, Delta Air Lines, Delta Connection, Frontier, Hawaiian Airlines, Icelandair, Jet Linx Aviation, Korean Air, Qatar Airways, Southwest Airlines, Starlux, 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.

Alternative Airports in United States with Connections from Denver Airport

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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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