Flights from Denver Airport DEN to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £43.26

One-way from £20.88

Flights are available to Denver International from Seattle-Tacoma International with a choice of 23 airliners, WestJet, SkyWest Airlines, Frontier, Condor, Alaska SkyWest, Jet Linx Aviation, Copa Airlines, Air Transport International, Starlux, Qatar Airways, Japan Airlines, Icelandair, All Nippon Airways, Air France, Delta Air Lines, Virgin Atlantic, Korean Air, Hawaiian Airlines, Delta Connection, Air Tahiti Nui, 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 Airlines444400007:4519:08VIEW FLIGHTS
Southwest Airlines333300008:2020:45VIEW FLIGHTS
Alaska Airlines322300007:0017:09VIEW FLIGHTS
Korean Air222200006:2907:00VIEW FLIGHTS
Hawaiian Airlines322100007:0017:09VIEW FLIGHTS
Delta Connection222200012:3021:10VIEW FLIGHTS
Air Tahiti Nui322100007:0017:09VIEW FLIGHTS
Virgin Atlantic222100006:2912:30VIEW FLIGHTS
Delta Air Lines111200006:2918:50VIEW FLIGHTS
Starlux211000013:3417:09VIEW FLIGHTS
Qatar Airways111100007:0007:00VIEW FLIGHTS
Japan Airlines111100007:0009:11VIEW FLIGHTS
Icelandair111100007:0007:00VIEW FLIGHTS
All Nippon Airways111100011:5011:50VIEW FLIGHTS
Air France111100006:2906:29VIEW FLIGHTS
Jet Linx Aviation111000007:0007:00VIEW FLIGHTS
Copa Airlines111000019:0819:08VIEW FLIGHTS
Air Transport International111000022:1022:40VIEW FLIGHTS
WestJet100000006:2906:29VIEW FLIGHTS
SkyWest Airlines001000011:2911:29VIEW FLIGHTS
Frontier000100009:0009:00VIEW FLIGHTS
Condor100000013:3413:34VIEW FLIGHTS
Alaska SkyWest001000015:1115:11VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 16 flights a week. The earliest flights are operated at 07:45 and the latest flights operated at 19:08 and the most common flight numbers are UA1424, UA1865, UA2013 and UA2271

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
06:29
AirlineFlightNo
Korean AirKE3014
WestJetWS7139
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2332
Alaska AirlinesAS643
Hawaiian AirlinesHA4863
IcelandairFI7694
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN356
09:11
AirlineFlightNo
Japan AirlinesJL6365
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:30
AirlineFlightNo
Delta ConnectionDL4168
Virgin AtlanticVS2070
13:34
AirlineFlightNo
Air Tahiti NuiTN2312
Alaska AirlinesAS633
Hawaiian AirlinesHA4759
CondorDE5208
StarluxJX7037
15:45
AirlineFlightNo
Southwest AirlinesWN1372
16:20
AirlineFlightNo
United AirlinesUA2013
17:09
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS785
Hawaiian AirlinesHA4820
StarluxJX7041
18:50
AirlineFlightNo
Delta ConnectionDL3696
19:08
AirlineFlightNo
United AirlinesUA1865
Copa AirlinesCM1141
20:25
AirlineFlightNo
Southwest AirlinesWN1603
22:40
AirlineFlightNo
Air Transport International8C3381
VIEW FLIGHTS
Tuesday
06:29
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2332
Alaska AirlinesAS643
Hawaiian AirlinesHA4863
IcelandairFI7694
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN356
09:11
AirlineFlightNo
Japan AirlinesJL6365
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:30
AirlineFlightNo
Delta ConnectionDL4168
Virgin AtlanticVS2070
15:45
AirlineFlightNo
Southwest AirlinesWN1372
16:20
AirlineFlightNo
United AirlinesUA2013
17:09
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS785
Hawaiian AirlinesHA4820
StarluxJX7041
18:50
AirlineFlightNo
Delta ConnectionDL3696
19:08
AirlineFlightNo
United AirlinesUA1865
Copa AirlinesCM1141
20:25
AirlineFlightNo
Southwest AirlinesWN1603
22:10
AirlineFlightNo
Air Transport International8C3381
VIEW FLIGHTS
Wednesday
06:29
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2332
Alaska AirlinesAS643
Hawaiian AirlinesHA4863
IcelandairFI7694
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN356
09:11
AirlineFlightNo
Japan AirlinesJL6365
11:29
AirlineFlightNo
SkyWest AirlinesOO9799
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:30
AirlineFlightNo
Delta ConnectionDL4168
Virgin AtlanticVS2070
13:34
AirlineFlightNo
Air Tahiti NuiTN2301
Alaska AirlinesAS784
Hawaiian AirlinesHA4703
StarluxJX7037
15:11
AirlineFlightNo
Alaska SkyWestOO9799
15:45
AirlineFlightNo
Southwest AirlinesWN1372
16:20
AirlineFlightNo
United AirlinesUA2013
18:50
AirlineFlightNo
Delta ConnectionDL3696
19:08
AirlineFlightNo
United AirlinesUA1865
Copa AirlinesCM1141
20:25
AirlineFlightNo
Southwest AirlinesWN1603
22:10
AirlineFlightNo
Air Transport International8C3381
VIEW FLIGHTS
Thursday
06:29
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2332
Alaska AirlinesAS643
Hawaiian AirlinesHA4863
IcelandairFI7694
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:45
AirlineFlightNo
United AirlinesUA2271
08:20
AirlineFlightNo
Southwest AirlinesWN4473
09:00
AirlineFlightNo
FrontierF91175
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:30
AirlineFlightNo
Delta ConnectionDL4168
13:34
AirlineFlightNo
Alaska AirlinesAS633
16:20
AirlineFlightNo
United AirlinesUA2013
16:40
AirlineFlightNo
Southwest AirlinesWN3493
17:09
AirlineFlightNo
Alaska AirlinesAS785
18:50
AirlineFlightNo
Delta Air LinesDL3696
19:08
AirlineFlightNo
United AirlinesUA1865
20:45
AirlineFlightNo
Southwest AirlinesWN1603
21:10
AirlineFlightNo
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 £20.88 ($28 €24.08)
£20.88
$28 | €24.08
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 £43.26 ($58 €49.88)
£43.26
$58 | €49.88
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, Alaska SkyWest, All Nippon Airways, Condor, Copa Airlines, Delta Air Lines, Delta Connection, Frontier, Hawaiian Airlines, Icelandair, Japan Airlines, Jet Linx Aviation, Korean Air, Qatar Airways, SkyWest Airlines, Southwest Airlines, Starlux, United Airlines, Virgin Atlantic, 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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