Flights from Denver Airport DEN to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £117.50

One-way from £34.21

Flights are available to Denver International from Seattle-Tacoma International with a choice of 20 airliners, Air France, Finnair, SAS, Air Transport International, Copa Airlines, Virgin Atlantic, WestJet, Korean Air, Jet Linx Aviation, All Nippon Airways, Volaris, Qatar Airways, Frontier, Starlux, Icelandair, Condor, Southwest Airlines, Delta Air Lines, 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 Airlines767775006:0021:10VIEW FLIGHTS
Alaska Airlines444445106:0014:57VIEW FLIGHTS
Southwest Airlines333333008:3023:30VIEW FLIGHTS
Delta Air Lines333333006:0520:37VIEW FLIGHTS
Starlux222222014:2314:57VIEW FLIGHTS
Icelandair222222014:2314:57VIEW FLIGHTS
Condor222222009:0014:23VIEW FLIGHTS
Frontier211231002:1512:00VIEW FLIGHTS
Volaris211221008:0012:00VIEW FLIGHTS
Qatar Airways303003006:0014:23VIEW FLIGHTS
WestJet111201006:0515:10VIEW FLIGHTS
Korean Air111111006:0506:05VIEW FLIGHTS
Jet Linx Aviation111111009:0009:00VIEW FLIGHTS
All Nippon Airways111111011:2411:24VIEW FLIGHTS
Virgin Atlantic101201015:1020:37VIEW FLIGHTS
Copa Airlines101110021:1021:10VIEW FLIGHTS
SAS010011006:0506:05VIEW FLIGHTS
Air Transport International011001021:4522:25VIEW FLIGHTS
Finnair010010014:2314:23VIEW FLIGHTS
Air France000100015:1015:10VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 39 flights a week. The earliest flights are operated at 06:00 and the latest flights operated at 21:10 and the most common flight numbers are UA1424, UA1482, UA2013 and UA2164

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
06:00
AirlineFlightNo
United AirlinesUA1482
Alaska AirlinesAS643
Qatar AirwaysQR2036
06:05
AirlineFlightNo
Korean AirKE3014
WestJetWS7288
Delta Air LinesDL1731
08:01
AirlineFlightNo
United AirlinesUA2271
08:30
AirlineFlightNo
Southwest AirlinesWN3398
09:00
AirlineFlightNo
Alaska AirlinesAS525
Qatar AirwaysQR2030
CondorDE5208
Jet Linx AviationJL6365
10:06
AirlineFlightNo
VolarisY42262
FrontierF94545
11:24
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:00
AirlineFlightNo
VolarisY42082
FrontierF91175
14:23
AirlineFlightNo
Alaska AirlinesAS682
IcelandairFI7694
Qatar AirwaysQR2037
CondorDE5237
StarluxJX7039
14:57
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7698
StarluxJX7037
15:10
AirlineFlightNo
Delta Air LinesDL1358
15:55
AirlineFlightNo
United AirlinesUA2164
15:58
AirlineFlightNo
United AirlinesUA2013
17:05
AirlineFlightNo
Southwest AirlinesWN1801
20:37
AirlineFlightNo
Delta Air LinesDL2759
Virgin AtlanticVS2070
21:10
AirlineFlightNo
United AirlinesUA2651
United AirlinesUA360
Copa AirlinesCM1141
23:30
AirlineFlightNo
Southwest AirlinesWN2068
VIEW FLIGHTS
Tuesday
06:00
AirlineFlightNo
United AirlinesUA1482
Alaska AirlinesAS643
06:05
AirlineFlightNo
Korean AirKE3014
SASSK3801
WestJetWS7288
Delta Air LinesDL1731
08:00
AirlineFlightNo
VolarisY42262
FrontierF94545
08:01
AirlineFlightNo
United AirlinesUA2271
09:00
AirlineFlightNo
Alaska AirlinesAS525
Southwest AirlinesWN4204
CondorDE5208
Jet Linx AviationJL6365
11:24
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
14:23
AirlineFlightNo
FinnairAY2530
Alaska AirlinesAS682
IcelandairFI7694
CondorDE5237
StarluxJX7039
14:57
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7698
StarluxJX7037
15:00
AirlineFlightNo
Southwest AirlinesWN2068
15:10
AirlineFlightNo
Delta Air LinesDL1358
15:55
AirlineFlightNo
United AirlinesUA2164
15:58
AirlineFlightNo
United AirlinesUA2013
20:30
AirlineFlightNo
Southwest AirlinesWN972
20:37
AirlineFlightNo
Delta Air LinesDL2759
21:10
AirlineFlightNo
United AirlinesUA360
22:25
AirlineFlightNo
Air Transport International8C3431
VIEW FLIGHTS
Wednesday
06:00
AirlineFlightNo
United AirlinesUA1482
Alaska AirlinesAS643
Qatar AirwaysQR2036
06:05
AirlineFlightNo
Korean AirKE3014
WestJetWS7288
Delta Air LinesDL1731
08:00
AirlineFlightNo
VolarisY42262
FrontierF94545
08:01
AirlineFlightNo
United AirlinesUA2271
09:00
AirlineFlightNo
Alaska AirlinesAS525
Southwest AirlinesWN4204
Qatar AirwaysQR2030
CondorDE5208
Jet Linx AviationJL6365
11:24
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
14:23
AirlineFlightNo
Alaska AirlinesAS682
IcelandairFI7694
Qatar AirwaysQR2037
CondorDE5237
StarluxJX7039
14:57
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7698
StarluxJX7037
15:00
AirlineFlightNo
Southwest AirlinesWN2068
15:10
AirlineFlightNo
Delta Air LinesDL1358
15:55
AirlineFlightNo
United AirlinesUA2164
15:58
AirlineFlightNo
United AirlinesUA2013
20:30
AirlineFlightNo
Southwest AirlinesWN972
20:37
AirlineFlightNo
Delta Air LinesDL2759
Virgin AtlanticVS2070
21:10
AirlineFlightNo
United AirlinesUA2651
United AirlinesUA360
Copa AirlinesCM1141
21:45
AirlineFlightNo
Air Transport International8C3395
VIEW FLIGHTS
Thursday
06:00
AirlineFlightNo
United AirlinesUA1482
Alaska AirlinesAS643
06:05
AirlineFlightNo
Korean AirKE3014
WestJetWS7288
Delta Air LinesDL1731
08:01
AirlineFlightNo
United AirlinesUA2271
08:30
AirlineFlightNo
Southwest AirlinesWN3398
09:00
AirlineFlightNo
Alaska AirlinesAS525
CondorDE5208
Jet Linx AviationJL6365
10:06
AirlineFlightNo
VolarisY42262
FrontierF94545
11:24
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:00
AirlineFlightNo
VolarisY42082
FrontierF91175
14:23
AirlineFlightNo
Alaska AirlinesAS682
IcelandairFI7694
CondorDE5237
StarluxJX7039
14:57
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7698
StarluxJX7037
15:10
AirlineFlightNo
WestJetWS6909
Air FranceAF5985
Delta Air LinesDL1358
Virgin AtlanticVS2069
15:55
AirlineFlightNo
United AirlinesUA2164
15:58
AirlineFlightNo
United AirlinesUA2013
17:05
AirlineFlightNo
Southwest AirlinesWN1801
20:37
AirlineFlightNo
Delta Air LinesDL2759
Virgin AtlanticVS2070
21:10
AirlineFlightNo
United AirlinesUA2651
United AirlinesUA360
Copa AirlinesCM1141
23:30
AirlineFlightNo
Southwest AirlinesWN2068
VIEW FLIGHTS
Friday
02:15
AirlineFlightNo
FrontierF99463
06:00
AirlineFlightNo
United AirlinesUA1482
Alaska AirlinesAS643
06:05
AirlineFlightNo
Korean AirKE3014
SASSK3801
Delta Air LinesDL1731
08:01
AirlineFlightNo
United AirlinesUA2271
08:30
AirlineFlightNo
Southwest AirlinesWN3398
09:00
AirlineFlightNo
Alaska AirlinesAS525
CondorDE5208
Jet Linx AviationJL6365
10:06
AirlineFlightNo
VolarisY42262
FrontierF94545
11:24
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:00
AirlineFlightNo
VolarisY42082
FrontierF91175
14:23
AirlineFlightNo
FinnairAY2530
Alaska AirlinesAS682
IcelandairFI7694
CondorDE5237
StarluxJX7039
14:57
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7698
StarluxJX7037
15:10
AirlineFlightNo
Delta Air LinesDL1358
15:55
AirlineFlightNo
United AirlinesUA2164
15:58
AirlineFlightNo
United AirlinesUA2013
17:05
AirlineFlightNo
Southwest AirlinesWN1801
20:37
AirlineFlightNo
Delta Air LinesDL2759
21:10
AirlineFlightNo
United AirlinesUA2651
United AirlinesUA360
Copa AirlinesCM1141
23:30
AirlineFlightNo
Southwest AirlinesWN2068
VIEW FLIGHTS
Saturday
06:00
AirlineFlightNo
United AirlinesUA1482
Alaska AirlinesAS643
Qatar AirwaysQR2036
06:05
AirlineFlightNo
Korean AirKE3014
SASSK3801
WestJetWS7288
Delta Air LinesDL1731
07:45
AirlineFlightNo
United AirlinesUA2271
08:00
AirlineFlightNo
VolarisY42262
FrontierF94545
08:30
AirlineFlightNo
Southwest AirlinesWN3398
09:00
AirlineFlightNo
Alaska AirlinesAS525
Qatar AirwaysQR2031
CondorDE5208
Jet Linx AviationJL6365
11:24
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
14:23
AirlineFlightNo
Alaska AirlinesAS682
IcelandairFI7694
Qatar AirwaysQR2037
CondorDE5237
StarluxJX7039
14:57
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7698
StarluxJX7037
15:10
AirlineFlightNo
Delta Air LinesDL1358
15:58
AirlineFlightNo
United AirlinesUA2013
18:15
AirlineFlightNo
Southwest AirlinesWN4204
20:10
AirlineFlightNo
Southwest AirlinesWN2068
20:37
AirlineFlightNo
Delta Air LinesDL2759
Virgin AtlanticVS2070
21:19
AirlineFlightNo
United AirlinesUA360
21:29
AirlineFlightNo
Alaska AirlinesAS785
22:00
AirlineFlightNo
Air Transport International8C3395
VIEW FLIGHTS
Sunday
06:00
AirlineFlightNo
Alaska AirlinesAS643
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 £34.21 ($46 €39.55)
£34.21
$46 | €39.55
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 £117.50 ($158 €135.84)
£117.50
$158 | €135.84
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, Finnair, Frontier, Icelandair, Jet Linx Aviation, Korean Air, Qatar Airways, SAS, 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

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