Flights from Denver Airport DEN to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £45.91

One-way from £19.57

Flights are available to Denver International from Seattle-Tacoma International with a choice of 20 airliners, Volaris, Copa Airlines, Condor, WestJet, Frontier, Icelandair, Jet Linx Aviation, All Nippon Airways, Air Transport International, Air France, Delta Air Lines, Virgin Atlantic, Qatar Airways, Korean Air, Delta Connection, Starlux, 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 Airlines445554507:4520:54VIEW FLIGHTS
Alaska Airlines433443307:0019:52VIEW FLIGHTS
Hawaiian Airlines333443207:0021:33VIEW FLIGHTS
Southwest Airlines333333308:3521:10VIEW FLIGHTS
Starlux222332111:4721:33VIEW FLIGHTS
Qatar Airways222222207:0012:34VIEW FLIGHTS
Korean Air222222206:3007:00VIEW FLIGHTS
Delta Connection222223113:1021:52VIEW FLIGHTS
Virgin Atlantic222222106:3013:10VIEW FLIGHTS
Delta Air Lines121111206:3019:40VIEW FLIGHTS
Jet Linx Aviation111111107:0007:00VIEW FLIGHTS
All Nippon Airways111111111:4211:42VIEW FLIGHTS
Air Transport International022111000:4723:15VIEW FLIGHTS
Air France111111106:3006:30VIEW FLIGHTS
Icelandair001111111:4711:47VIEW FLIGHTS
WestJet100011106:3006:30VIEW FLIGHTS
Frontier100110109:1009:10VIEW FLIGHTS
Volaris100110009:1009:10VIEW FLIGHTS
Copa Airlines001110020:5420:54VIEW FLIGHTS
Condor100101011:4712:34VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 32 flights a week. The earliest flights are operated at 07:45 and the latest flights operated at 20:54 and the most common flight numbers are UA1424, UA2013, UA2271 and UA2651

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
06:30
AirlineFlightNo
Korean AirKE3014
WestJetWS7139
Air FranceAF2075
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN580
09:10
AirlineFlightNo
VolarisY42786
FrontierF94545
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:34
AirlineFlightNo
Alaska AirlinesAS783
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7039
13:10
AirlineFlightNo
Delta ConnectionDL3675
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA2013
17:20
AirlineFlightNo
Southwest AirlinesWN3063
18:16
AirlineFlightNo
Alaska AirlinesAS633
Hawaiian AirlinesHA4759
StarluxJX7037
19:14
AirlineFlightNo
United AirlinesUA486
19:40
AirlineFlightNo
Delta ConnectionDL3795
19:52
AirlineFlightNo
Alaska AirlinesAS785
20:50
AirlineFlightNo
Southwest AirlinesWN659
VIEW FLIGHTS
Tuesday
06:30
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN1738
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
12:34
AirlineFlightNo
Alaska AirlinesAS783
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
StarluxJX7039
13:10
AirlineFlightNo
Delta ConnectionDL3675
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA2013
16:25
AirlineFlightNo
Southwest AirlinesWN3063
17:00
AirlineFlightNo
Air Transport International8C3375
18:16
AirlineFlightNo
Alaska AirlinesAS633
Hawaiian AirlinesHA4759
StarluxJX7037
19:14
AirlineFlightNo
United AirlinesUA486
19:40
AirlineFlightNo
Delta Air LinesDL3795
20:30
AirlineFlightNo
Southwest AirlinesWN659
21:52
AirlineFlightNo
Delta ConnectionDL3795
23:15
AirlineFlightNo
Air Transport International8C4375
VIEW FLIGHTS
Wednesday
00:47
AirlineFlightNo
Air Transport International8C4375
06:30
AirlineFlightNo
Korean AirKE3014
Air FranceAF2122
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN1738
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
11:47
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
IcelandairFI7694
Qatar AirwaysQR2035
StarluxJX7039
13:10
AirlineFlightNo
Delta ConnectionDL3675
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA2013
16:25
AirlineFlightNo
Southwest AirlinesWN3063
19:14
AirlineFlightNo
United AirlinesUA486
19:24
AirlineFlightNo
Alaska AirlinesAS785
Hawaiian AirlinesHA4820
StarluxJX7041
19:40
AirlineFlightNo
Delta ConnectionDL3795
20:30
AirlineFlightNo
Southwest AirlinesWN659
20:54
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:55
AirlineFlightNo
Air Transport International8C3375
VIEW FLIGHTS
Thursday
06:30
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN580
09:10
AirlineFlightNo
VolarisY42786
FrontierF94545
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
11:47
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7039
13:10
AirlineFlightNo
Delta ConnectionDL3675
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA2013
16:21
AirlineFlightNo
Alaska AirlinesAS535
Hawaiian AirlinesHA4759
StarluxJX7037
17:20
AirlineFlightNo
Southwest AirlinesWN3063
19:14
AirlineFlightNo
United AirlinesUA486
19:24
AirlineFlightNo
Alaska AirlinesAS785
19:40
AirlineFlightNo
Delta ConnectionDL3795
20:50
AirlineFlightNo
Southwest AirlinesWN659
20:54
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:33
AirlineFlightNo
Hawaiian AirlinesHA4820
StarluxJX7041
21:55
AirlineFlightNo
Air Transport International8C3375
VIEW FLIGHTS
Friday
06:30
AirlineFlightNo
Korean AirKE3014
WestJetWS7139
Air FranceAF2122
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN580
09:10
AirlineFlightNo
VolarisY42786
FrontierF94545
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
11:47
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
IcelandairFI7694
Qatar AirwaysQR2035
StarluxJX7039
13:10
AirlineFlightNo
Delta ConnectionDL3675
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA2013
16:21
AirlineFlightNo
Alaska AirlinesAS535
Hawaiian AirlinesHA4759
StarluxJX7037
17:20
AirlineFlightNo
Southwest AirlinesWN3063
19:14
AirlineFlightNo
United AirlinesUA486
19:24
AirlineFlightNo
Alaska AirlinesAS785
Hawaiian AirlinesHA4820
StarluxJX7041
19:40
AirlineFlightNo
Delta ConnectionDL3795
20:50
AirlineFlightNo
Southwest AirlinesWN659
20:54
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:55
AirlineFlightNo
Air Transport International8C3375
VIEW FLIGHTS
Saturday
06:30
AirlineFlightNo
Korean AirKE3014
WestJetWS7139
Air FranceAF2201
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:30
AirlineFlightNo
Southwest AirlinesWN321
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
11:47
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7039
13:10
AirlineFlightNo
Delta ConnectionDL3675
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA2013
17:20
AirlineFlightNo
Southwest AirlinesWN1271
19:14
AirlineFlightNo
United AirlinesUA2651
19:24
AirlineFlightNo
Alaska AirlinesAS785
Hawaiian AirlinesHA4820
StarluxJX7041
19:40
AirlineFlightNo
Delta ConnectionDL3795
20:55
AirlineFlightNo
Southwest AirlinesWN659
21:52
AirlineFlightNo
Delta ConnectionOO3795
21:55
AirlineFlightNo
Air Transport International8C3375
VIEW FLIGHTS
Sunday
06:30
AirlineFlightNo
Korean AirKE3014
WestJetWS7139
Air FranceAF2122
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
Jet Linx AviationJL6365
07:45
AirlineFlightNo
United AirlinesUA2271
08:35
AirlineFlightNo
Southwest AirlinesWN580
09:10
AirlineFlightNo
FrontierF94545
11:42
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
11:47
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
IcelandairFI7694
Qatar AirwaysQR2035
StarluxJX7039
13:10
AirlineFlightNo
Delta ConnectionDL3675
16:04
AirlineFlightNo
United AirlinesUA2013
17:20
AirlineFlightNo
Southwest AirlinesWN3063
19:14
AirlineFlightNo
United AirlinesUA486
19:24
AirlineFlightNo
Alaska AirlinesAS785
19:40
AirlineFlightNo
Delta Air LinesDL3795
20:54
AirlineFlightNo
United AirlinesUA2651
21:10
AirlineFlightNo
Southwest AirlinesWN659
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
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 £19.57 ($26 €22.59)
£19.57
$26 | €22.59
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 £45.91 ($61 €52)
£45.91
$61 | €52
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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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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