Flights from Denver Airport DEN to Seattle Airport SEA

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Returns from £60.32

One-way from £37.12

Flights are available to Denver International from Seattle-Tacoma International with a choice of 22 airliners, Volaris, Singapore Airlines, Jet Linx Aviation, Frontier, Virgin Atlantic, Japan Airlines, Delta Connection, Air Transport International, WestJet, Copa Airlines, Condor, All Nippon Airways, Air France, Qatar Airways, Korean Air, Delta Air Lines, Starlux, Southwest Airlines, Hawaiian Airlines, Air Tahiti Nui, 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 Airlines555555507:4521:00VIEW FLIGHTS
Alaska Airlines434443407:0019:57VIEW FLIGHTS
Hawaiian Airlines434443107:0019:57VIEW FLIGHTS
Air Tahiti Nui434443107:0019:57VIEW FLIGHTS
Southwest Airlines333333308:3022:50VIEW FLIGHTS
Starlux323332112:3819:57VIEW FLIGHTS
Delta Air Lines222223206:1014:20VIEW FLIGHTS
Qatar Airways222222107:0014:45VIEW FLIGHTS
Korean Air222222106:1007:00VIEW FLIGHTS
WestJet111111106:1006:10VIEW FLIGHTS
Copa Airlines111111121:0021:00VIEW FLIGHTS
Condor111111112:3814:45VIEW FLIGHTS
All Nippon Airways111111111:5011:50VIEW FLIGHTS
Air France111111106:1006:10VIEW FLIGHTS
Virgin Atlantic111111014:2014:20VIEW FLIGHTS
Japan Airlines111111007:0009:16VIEW FLIGHTS
Delta Connection111110119:5019:50VIEW FLIGHTS
Air Transport International111111021:1521:45VIEW FLIGHTS
Frontier100110109:5609:56VIEW FLIGHTS
Volaris100110009:5609:56VIEW FLIGHTS
Singapore Airlines101010019:5519:57VIEW FLIGHTS
Jet Linx Aviation110010007:0007:00VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 35 flights a week. The earliest flights are operated at 07:45 and the latest flights operated at 21:00 and the most common flight numbers are UA1229, UA204, UA299 and UA690

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
06:10
AirlineFlightNo
Korean AirKE3014
WestJetWS8136
Air FranceAF2113
Delta Air LinesDL1731
07:00
AirlineFlightNo
Korean AirKE6030
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4821
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA204
09:16
AirlineFlightNo
Japan AirlinesJL6365
09:56
AirlineFlightNo
VolarisY42754
FrontierF91175
10:35
AirlineFlightNo
Southwest AirlinesWN2483
11:50
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:38
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7041
14:20
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
16:03
AirlineFlightNo
United AirlinesUA745
17:08
AirlineFlightNo
Air Tahiti NuiTN2392
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
18:25
AirlineFlightNo
Southwest AirlinesWN1567
19:00
AirlineFlightNo
United AirlinesUA299
19:50
AirlineFlightNo
Delta ConnectionDL3681
19:55
AirlineFlightNo
Air Tahiti NuiTN2499
Singapore AirlinesSQ1219
Alaska AirlinesAS525
Hawaiian AirlinesHA4819
StarluxJX7039
21:00
AirlineFlightNo
United AirlinesUA1229
Copa AirlinesCM1141
21:45
AirlineFlightNo
Air Transport International8C3453
22:50
AirlineFlightNo
Southwest AirlinesWN981
VIEW FLIGHTS
Tuesday
06:10
AirlineFlightNo
Korean AirKE3014
WestJetWS8136
Air FranceAF2113
Delta Air LinesDL1731
07:00
AirlineFlightNo
Korean AirKE6030
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4821
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA204
08:30
AirlineFlightNo
Southwest AirlinesWN2725
09:16
AirlineFlightNo
Japan AirlinesJL6365
11:50
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:38
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7041
14:20
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
15:50
AirlineFlightNo
Southwest AirlinesWN981
16:03
AirlineFlightNo
United AirlinesUA745
17:08
AirlineFlightNo
Air Tahiti NuiTN2392
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
19:00
AirlineFlightNo
United AirlinesUA299
19:50
AirlineFlightNo
Delta ConnectionDL3681
21:00
AirlineFlightNo
United AirlinesUA1229
Copa AirlinesCM1141
21:15
AirlineFlightNo
Air Transport International8C3453
21:45
AirlineFlightNo
Southwest AirlinesWN1567
VIEW FLIGHTS
Wednesday
06:10
AirlineFlightNo
Korean AirKE3014
WestJetWS8136
Air FranceAF2113
Delta Air LinesDL1731
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4821
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:45
AirlineFlightNo
United AirlinesUA204
08:30
AirlineFlightNo
Southwest AirlinesWN2725
11:50
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:44
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
StarluxJX7041
14:20
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
14:45
AirlineFlightNo
CondorDE5237
15:50
AirlineFlightNo
Southwest AirlinesWN981
16:03
AirlineFlightNo
United AirlinesUA745
17:38
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
StarluxJX7039
19:00
AirlineFlightNo
United AirlinesUA299
19:50
AirlineFlightNo
Delta ConnectionDL3681
19:57
AirlineFlightNo
Air Tahiti NuiTN2500
Singapore AirlinesSQ1219
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
21:00
AirlineFlightNo
United AirlinesUA1229
Copa AirlinesCM1141
21:15
AirlineFlightNo
Air Transport International8C3453
21:45
AirlineFlightNo
Southwest AirlinesWN1567
VIEW FLIGHTS
Thursday
06:10
AirlineFlightNo
Korean AirKE3014
WestJetWS8136
Air FranceAF2113
Delta Air LinesDL1731
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4821
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:45
AirlineFlightNo
United AirlinesUA204
09:56
AirlineFlightNo
VolarisY42754
FrontierF91175
10:35
AirlineFlightNo
Southwest AirlinesWN2483
11:50
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:44
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7041
14:20
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
16:03
AirlineFlightNo
United AirlinesUA745
17:38
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
StarluxJX7039
18:25
AirlineFlightNo
Southwest AirlinesWN1567
19:00
AirlineFlightNo
United AirlinesUA299
19:50
AirlineFlightNo
Delta ConnectionDL3681
19:57
AirlineFlightNo
Air Tahiti NuiTN2500
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
21:00
AirlineFlightNo
United AirlinesUA1229
Copa AirlinesCM1141
21:15
AirlineFlightNo
Air Transport International8C3453
22:50
AirlineFlightNo
Southwest AirlinesWN981
VIEW FLIGHTS
Friday
06:10
AirlineFlightNo
Korean AirKE3014
WestJetWS8136
Air FranceAF2113
Delta Air LinesDL1731
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4821
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA204
09:07
AirlineFlightNo
Japan AirlinesJL6365
09:56
AirlineFlightNo
VolarisY42754
FrontierF91175
10:35
AirlineFlightNo
Southwest AirlinesWN2483
11:50
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:44
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7041
14:20
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
16:03
AirlineFlightNo
United AirlinesUA745
17:38
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
StarluxJX7039
18:25
AirlineFlightNo
Southwest AirlinesWN1567
19:00
AirlineFlightNo
United AirlinesUA299
19:50
AirlineFlightNo
Delta ConnectionDL3681
19:57
AirlineFlightNo
Air Tahiti NuiTN2500
Singapore AirlinesSQ1219
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
21:00
AirlineFlightNo
United AirlinesUA1229
Copa AirlinesCM1141
21:15
AirlineFlightNo
Air Transport International8C3453
22:50
AirlineFlightNo
Southwest AirlinesWN981
VIEW FLIGHTS
Saturday
06:10
AirlineFlightNo
Korean AirKE3014
WestJetWS8136
Air FranceAF5785
Delta Air LinesDL1731
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4821
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:45
AirlineFlightNo
United AirlinesUA204
08:45
AirlineFlightNo
Southwest AirlinesWN2483
11:50
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:44
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7041
14:20
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
16:03
AirlineFlightNo
United AirlinesUA745
16:20
AirlineFlightNo
Southwest AirlinesWN1567
17:38
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
StarluxJX7039
18:30
AirlineFlightNo
Delta Air LinesDL2237
19:00
AirlineFlightNo
United AirlinesUA299
21:00
AirlineFlightNo
United AirlinesUA1229
Copa AirlinesCM1141
21:15
AirlineFlightNo
Air Transport International8C3453
22:50
AirlineFlightNo
Southwest AirlinesWN981
VIEW FLIGHTS
Sunday
06:10
AirlineFlightNo
Korean AirKE3014
WestJetWS8136
Air FranceAF2258
Delta Air LinesDL1731
07:00
AirlineFlightNo
Alaska AirlinesAS643
07:45
AirlineFlightNo
United AirlinesUA204
08:45
AirlineFlightNo
Southwest AirlinesWN2483
09:56
AirlineFlightNo
FrontierF91175
11:50
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:44
AirlineFlightNo
Alaska AirlinesAS682
14:20
AirlineFlightNo
Delta Air LinesDL2740
14:45
AirlineFlightNo
Air Tahiti NuiTN2349
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7041
16:03
AirlineFlightNo
United AirlinesUA745
16:30
AirlineFlightNo
Southwest AirlinesWN3950
18:31
AirlineFlightNo
Alaska AirlinesAS622
19:00
AirlineFlightNo
United AirlinesUA299
19:50
AirlineFlightNo
Delta ConnectionDL3681
19:57
AirlineFlightNo
Alaska AirlinesAS615
21:00
AirlineFlightNo
United AirlinesUA1229
Copa AirlinesCM1141
22:45
AirlineFlightNo
Southwest AirlinesWN981
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
Aspen to Seattle01,543 km (959 miles)2 Hours 38 Minutes
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 £37.12 ($48 €44.55)
£37.12
$48 | €44.55
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 £60.32 ($78 €72.40)
£60.32
$78 | €72.40
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, Condor, Copa Airlines, Delta Air Lines, Delta Connection, Frontier, Hawaiian Airlines, Japan Airlines, Jet Linx Aviation, Korean Air, Qatar Airways, Singapore Airlines, 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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Lounges at Denver Airport

See all the airport lounges, locations and opening times available 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

See all shops available at Denver Airport - plan your duty free shopping in advance

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