Flights from Denver Airport DEN to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £41.13

One-way from £22.09

Flights are available to Denver International from Seattle-Tacoma International with a choice of 20 airliners, Icelandair, Copa Airlines, Condor, All Nippon Airways, Air Transport International, Air France, Japan Airlines, Volaris, Frontier, WestJet, Virgin Atlantic, Korean Air, Qatar Airways, Starlux, Delta Air Lines, Hawaiian Airlines, 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 Airlines546644506:0022:05VIEW FLIGHTS
Southwest Airlines555433300:3523:35VIEW FLIGHTS
Alaska Airlines434433407:0021:02VIEW FLIGHTS
Hawaiian Airlines434433207:0020:02VIEW FLIGHTS
Air Tahiti Nui434433207:0020:02VIEW FLIGHTS
Delta Air Lines323333306:2520:41VIEW FLIGHTS
Starlux323322113:2320:02VIEW FLIGHTS
Qatar Airways222223207:0016:26VIEW FLIGHTS
Korean Air212222206:2508:00VIEW FLIGHTS
Virgin Atlantic212222106:2512:25VIEW FLIGHTS
WestJet211122106:2512:25VIEW FLIGHTS
Volaris211111105:3011:00VIEW FLIGHTS
Frontier211111105:3011:00VIEW FLIGHTS
Japan Airlines111111107:0008:00VIEW FLIGHTS
All Nippon Airways111111011:5012:35VIEW FLIGHTS
Air Transport International111111021:3522:05VIEW FLIGHTS
Air France101111106:2512:25VIEW FLIGHTS
Copa Airlines101100121:0522:05VIEW FLIGHTS
Condor100101113:2316:26VIEW FLIGHTS
Icelandair000000108:0008:00VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 34 flights a week. The earliest flights are operated at 06:00 and the latest flights operated at 22:05 and the most common flight numbers are UA1424, UA1729, 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
00:35
AirlineFlightNo
Southwest AirlinesWN2727
05:30
AirlineFlightNo
VolarisY42794
FrontierF94545
06:25
AirlineFlightNo
Korean AirKE3014
WestJetWS5547
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:15
AirlineFlightNo
Southwest AirlinesWN2886
08:30
AirlineFlightNo
United AirlinesUA2271
09:58
AirlineFlightNo
VolarisY42086
FrontierF91175
10:05
AirlineFlightNo
Southwest AirlinesWN2247
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:25
AirlineFlightNo
WestJetWS5548
Air FranceAF2325
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:23
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7039
15:37
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
StarluxJX7041
16:00
AirlineFlightNo
Southwest AirlinesWN977
16:05
AirlineFlightNo
United AirlinesUA2013
18:15
AirlineFlightNo
Southwest AirlinesWN2722
19:10
AirlineFlightNo
United AirlinesUA1729
19:41
AirlineFlightNo
Delta Air LinesDL1175
20:02
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
21:05
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
22:05
AirlineFlightNo
Air Transport International8C3371
VIEW FLIGHTS
Tuesday
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Japan AirlinesJL6365
Qatar AirwaysQR2036
08:05
AirlineFlightNo
Southwest AirlinesWN2247
08:30
AirlineFlightNo
United AirlinesUA2271
10:00
AirlineFlightNo
VolarisY42086
FrontierF91175
10:40
AirlineFlightNo
Southwest AirlinesWN925
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:25
AirlineFlightNo
WestJetWS5548
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:10
AirlineFlightNo
Southwest AirlinesWN977
13:23
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
StarluxJX7039
15:55
AirlineFlightNo
United AirlinesUA2013
17:45
AirlineFlightNo
Southwest AirlinesWN2002
19:30
AirlineFlightNo
United AirlinesUA1729
19:41
AirlineFlightNo
Delta Air LinesDL1175
20:02
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
21:35
AirlineFlightNo
Air Transport International8C3371
21:50
AirlineFlightNo
Southwest AirlinesWN2722
VIEW FLIGHTS
Wednesday
06:25
AirlineFlightNo
Korean AirKE3014
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Japan AirlinesJL6365
Qatar AirwaysQR2036
08:00
AirlineFlightNo
United AirlinesUA3914
08:05
AirlineFlightNo
Southwest AirlinesWN2247
08:30
AirlineFlightNo
United AirlinesUA2271
10:15
AirlineFlightNo
VolarisY42086
FrontierF91175
10:40
AirlineFlightNo
Southwest AirlinesWN925
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:25
AirlineFlightNo
WestJetWS5548
Air FranceAF2325
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:10
AirlineFlightNo
Southwest AirlinesWN977
13:23
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
StarluxJX7039
15:37
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
StarluxJX7041
16:05
AirlineFlightNo
United AirlinesUA2013
17:45
AirlineFlightNo
Southwest AirlinesWN2002
19:10
AirlineFlightNo
United AirlinesUA1729
19:41
AirlineFlightNo
Delta Air LinesDL1175
20:02
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
21:05
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:50
AirlineFlightNo
Southwest AirlinesWN2722
22:05
AirlineFlightNo
Air Transport International8C3371
VIEW FLIGHTS
Thursday
06:00
AirlineFlightNo
United AirlinesUA3932
06:25
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:15
AirlineFlightNo
Southwest AirlinesWN2886
08:30
AirlineFlightNo
United AirlinesUA2271
10:00
AirlineFlightNo
VolarisY42086
FrontierF91175
10:05
AirlineFlightNo
Southwest AirlinesWN2247
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:25
AirlineFlightNo
WestJetWS5548
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:23
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7039
15:37
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
StarluxJX7041
16:00
AirlineFlightNo
Southwest AirlinesWN977
16:05
AirlineFlightNo
United AirlinesUA2013
18:15
AirlineFlightNo
Southwest AirlinesWN2722
19:10
AirlineFlightNo
United AirlinesUA1729
19:41
AirlineFlightNo
Delta Air LinesDL1175
20:02
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
StarluxJX7037
21:05
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
22:05
AirlineFlightNo
Air Transport International8C3371
VIEW FLIGHTS
Friday
06:25
AirlineFlightNo
Korean AirKE3014
WestJetWS5547
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Japan AirlinesJL6365
Qatar AirwaysQR2036
08:30
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN2247
10:00
AirlineFlightNo
VolarisY42084
FrontierF91175
12:25
AirlineFlightNo
WestJetWS5548
Air FranceAF2325
Delta Air LinesDL2740
Virgin AtlanticVS2070
12:35
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:45
AirlineFlightNo
Southwest AirlinesWN3981
13:23
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
StarluxJX7039
15:37
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
StarluxJX7041
16:00
AirlineFlightNo
United AirlinesUA2013
19:10
AirlineFlightNo
United AirlinesUA1729
19:30
AirlineFlightNo
Southwest AirlinesWN2722
19:41
AirlineFlightNo
Delta Air LinesDL1175
22:05
AirlineFlightNo
Air Transport International8C3371
VIEW FLIGHTS
Saturday
06:25
AirlineFlightNo
Korean AirKE3014
WestJetWS5547
Air FranceAF2100
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Japan AirlinesJL6365
Qatar AirwaysQR2036
08:30
AirlineFlightNo
United AirlinesUA2271
09:35
AirlineFlightNo
Southwest AirlinesWN2247
10:00
AirlineFlightNo
VolarisY42084
FrontierF91175
11:50
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:23
AirlineFlightNo
WestJetWS5548
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:23
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7039
14:45
AirlineFlightNo
Southwest AirlinesWN4448
15:55
AirlineFlightNo
United AirlinesUA2013
19:10
AirlineFlightNo
United AirlinesUA1729
19:41
AirlineFlightNo
Delta Air LinesDL1175
19:45
AirlineFlightNo
Southwest AirlinesWN2722
20:02
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
Qatar AirwaysQR2016
StarluxJX7037
22:05
AirlineFlightNo
Air Transport International8C3371
VIEW FLIGHTS
Sunday
07:25
AirlineFlightNo
Korean AirKE3014
WestJetWS5547
Air FranceAF5785
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
IcelandairFI7694
Japan AirlinesJL6365
Qatar AirwaysQR2036
09:30
AirlineFlightNo
United AirlinesUA2271
Southwest AirlinesWN519
11:00
AirlineFlightNo
VolarisY42084
FrontierF91175
12:50
AirlineFlightNo
United AirlinesUA1424
13:25
AirlineFlightNo
Delta Air LinesDL2740
14:23
AirlineFlightNo
Alaska AirlinesAS682
16:26
AirlineFlightNo
Air Tahiti NuiTN2349
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7039
16:37
AirlineFlightNo
Alaska AirlinesAS535
17:05
AirlineFlightNo
United AirlinesUA2013
19:35
AirlineFlightNo
Southwest AirlinesWN3308
20:10
AirlineFlightNo
United AirlinesUA1729
20:41
AirlineFlightNo
Delta Air LinesDL1175
21:02
AirlineFlightNo
Alaska AirlinesAS615
22:05
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
23:35
AirlineFlightNo
Southwest AirlinesWN2628
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 £22.09 ($29 €25.18)
£22.09
$29 | €25.18
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 £41.13 ($54 €46.89)
£41.13
$54 | €46.89
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, Frontier, Hawaiian Airlines, Icelandair, Japan Airlines, 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.

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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

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Duty Free Shopping at Denver Airport

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