Flights from Denver Airport DEN to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £72.90

One-way from £34.22

Flights are available to Denver International from Seattle-Tacoma International with a choice of 26 airliners, KLM, Jet Linx Aviation, Swiss, Japan Airlines, Finnair, Singapore Airlines, Copa Airlines, Air Transport International, All Nippon Airways, WestJet, SAS, Volaris, Condor, Air France, Virgin Atlantic, Frontier, Icelandair, Starlux, Delta Air Lines, Qatar Airways, Korean Air, 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 Airlines766776706:0020:32VIEW FLIGHTS
Alaska Airlines555655606:0020:32VIEW FLIGHTS
Southwest Airlines555554507:4022:50VIEW FLIGHTS
Hawaiian Airlines555655306:0020:32VIEW FLIGHTS
Air Tahiti Nui555655306:0020:32VIEW FLIGHTS
Korean Air444444206:0019:40VIEW FLIGHTS
Qatar Airways333443206:0020:32VIEW FLIGHTS
Delta Air Lines333333306:3019:40VIEW FLIGHTS
Starlux333333212:4920:32VIEW FLIGHTS
Icelandair333333108:0020:32VIEW FLIGHTS
Virgin Atlantic222222206:3011:50VIEW FLIGHTS
Frontier221223200:3422:29VIEW FLIGHTS
Volaris221223100:3422:29VIEW FLIGHTS
Condor222222108:0014:48VIEW FLIGHTS
Air France222222106:3019:40VIEW FLIGHTS
SAS202022206:3011:50VIEW FLIGHTS
WestJet111121106:3019:40VIEW FLIGHTS
All Nippon Airways111111111:3011:30VIEW FLIGHTS
Copa Airlines111111020:3222:30VIEW FLIGHTS
Air Transport International111111021:3522:05VIEW FLIGHTS
Singapore Airlines010111106:0006:00VIEW FLIGHTS
Japan Airlines001111008:0008:00VIEW FLIGHTS
Finnair101001112:5614:48VIEW FLIGHTS
Swiss101010019:1119:11VIEW FLIGHTS
Jet Linx Aviation110000008:0008:00VIEW FLIGHTS
KLM0000010VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 46 flights a week. The earliest flights are operated at 06:00 and the latest flights operated at 20:32 and the most common flight numbers are UA1951, UA204, UA2651 and UA299

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
Korean AirKE6030
United AirlinesUA751
Air Tahiti NuiTN2361
Alaska AirlinesAS643
Hawaiian AirlinesHA4850
Qatar AirwaysQR2041
06:30
AirlineFlightNo
Korean AirKE3014
SASSK3801
Air FranceAF2258
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:45
AirlineFlightNo
United AirlinesUA204
07:50
AirlineFlightNo
Southwest AirlinesWN736
08:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS525
Hawaiian AirlinesHA4868
IcelandairFI7694
Qatar AirwaysQR2036
CondorDE5208
Jet Linx AviationJL6365
11:30
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
SASSK3657
Delta Air LinesDL2740
Virgin AtlanticVS2070
12:56
AirlineFlightNo
FinnairAY2530
Air Tahiti NuiTN2359
Alaska AirlinesAS427
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:05
AirlineFlightNo
Southwest AirlinesWN1760
13:55
AirlineFlightNo
United AirlinesUA1951
14:58
AirlineFlightNo
Air Tahiti NuiTN2358
Alaska AirlinesAS426
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
16:03
AirlineFlightNo
VolarisY42754
FrontierF91175
16:15
AirlineFlightNo
United AirlinesUA745
16:45
AirlineFlightNo
Southwest AirlinesWN1187
17:49
AirlineFlightNo
Air Tahiti NuiTN2360
Alaska AirlinesAS605
Hawaiian AirlinesHA4867
IcelandairFI7722
StarluxJX7039
19:11
AirlineFlightNo
United AirlinesUA299
SwissLX3128
19:25
AirlineFlightNo
Southwest AirlinesWN4453
19:40
AirlineFlightNo
Korean AirKE3013
WestJetWS7285
Air FranceAF2446
Delta Air LinesDL1675
20:32
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:35
AirlineFlightNo
Air Transport International8C3371
22:29
AirlineFlightNo
VolarisY42177
FrontierF93405
22:35
AirlineFlightNo
Southwest AirlinesWN2767
VIEW FLIGHTS
Tuesday
00:34
AirlineFlightNo
VolarisY42177
FrontierF93405
06:00
AirlineFlightNo
Korean AirKE6030
Air Tahiti NuiTN2361
Singapore AirlinesSQ1219
Alaska AirlinesAS643
Hawaiian AirlinesHA4850
Qatar AirwaysQR2041
06:30
AirlineFlightNo
Korean AirKE3014
Air FranceAF2187
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:40
AirlineFlightNo
Southwest AirlinesWN2340
07:45
AirlineFlightNo
United AirlinesUA204
08:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS525
Hawaiian AirlinesHA4868
IcelandairFI7694
Qatar AirwaysQR2036
CondorDE5208
Jet Linx AviationJL6365
09:40
AirlineFlightNo
Southwest AirlinesWN736
11:30
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
12:56
AirlineFlightNo
Air Tahiti NuiTN2359
Alaska AirlinesAS427
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:55
AirlineFlightNo
United AirlinesUA1951
14:58
AirlineFlightNo
Air Tahiti NuiTN2358
Alaska AirlinesAS426
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
15:25
AirlineFlightNo
Southwest AirlinesWN1187
15:40
AirlineFlightNo
United AirlinesUA745
17:49
AirlineFlightNo
Air Tahiti NuiTN2360
Alaska AirlinesAS605
Hawaiian AirlinesHA4867
IcelandairFI7722
StarluxJX7039
19:11
AirlineFlightNo
United AirlinesUA299
19:25
AirlineFlightNo
Southwest AirlinesWN4453
19:40
AirlineFlightNo
Korean AirKE3013
WestJetWS6405
Air FranceAF2446
Delta Air LinesDL1675
20:32
AirlineFlightNo
United AirlinesUA2651
21:29
AirlineFlightNo
VolarisY42746
FrontierF94545
22:05
AirlineFlightNo
Air Transport International8C3371
22:25
AirlineFlightNo
Southwest AirlinesWN2767
22:30
AirlineFlightNo
Copa AirlinesCM1141
VIEW FLIGHTS
Wednesday
06:00
AirlineFlightNo
Korean AirKE6030
Air Tahiti NuiTN2361
Alaska AirlinesAS643
Hawaiian AirlinesHA4850
Qatar AirwaysQR2041
06:30
AirlineFlightNo
Korean AirKE3014
SASSK3801
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:40
AirlineFlightNo
Southwest AirlinesWN2340
07:45
AirlineFlightNo
United AirlinesUA204
08:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS525
Hawaiian AirlinesHA4868
IcelandairFI7694
Japan AirlinesJL6365
Qatar AirwaysQR2036
CondorDE5208
09:40
AirlineFlightNo
Southwest AirlinesWN736
11:30
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
SASSK3657
Delta Air LinesDL2740
Virgin AtlanticVS2070
12:56
AirlineFlightNo
FinnairAY2530
Air Tahiti NuiTN2359
Alaska AirlinesAS427
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:55
AirlineFlightNo
United AirlinesUA1951
14:58
AirlineFlightNo
Air Tahiti NuiTN2358
Alaska AirlinesAS426
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
15:25
AirlineFlightNo
Southwest AirlinesWN1187
16:15
AirlineFlightNo
United AirlinesUA745
17:49
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS605
Hawaiian AirlinesHA4867
IcelandairFI7722
StarluxJX7039
19:11
AirlineFlightNo
United AirlinesUA299
SwissLX3128
19:25
AirlineFlightNo
Southwest AirlinesWN4453
19:40
AirlineFlightNo
Korean AirKE3013
WestJetWS5622
Air FranceAF2446
Delta Air LinesDL1675
20:32
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:50
AirlineFlightNo
VolarisY42177
FrontierF93405
22:05
AirlineFlightNo
Air Transport International8C3371
22:25
AirlineFlightNo
Southwest AirlinesWN2767
VIEW FLIGHTS
Thursday
06:00
AirlineFlightNo
Korean AirKE6122
United AirlinesUA751
Air Tahiti NuiTN2350
Singapore AirlinesSQ1219
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
06:30
AirlineFlightNo
Korean AirKE3014
Air FranceAF2187
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:45
AirlineFlightNo
United AirlinesUA204
07:50
AirlineFlightNo
Southwest AirlinesWN736
08:00
AirlineFlightNo
Korean AirKE6030
Air Tahiti NuiTN2354
Alaska AirlinesAS745
Hawaiian AirlinesHA4849
Japan AirlinesJL6365
Qatar AirwaysQR2056
CondorDE5208
11:30
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
12:49
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
13:05
AirlineFlightNo
Southwest AirlinesWN1760
13:55
AirlineFlightNo
United AirlinesUA1951
15:03
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
16:15
AirlineFlightNo
United AirlinesUA745
16:44
AirlineFlightNo
VolarisY42754
FrontierF91175
16:45
AirlineFlightNo
Southwest AirlinesWN1187
17:50
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
19:11
AirlineFlightNo
United AirlinesUA299
19:25
AirlineFlightNo
Southwest AirlinesWN4453
19:40
AirlineFlightNo
Korean AirKE3013
WestJetWS7280
Air FranceAF2446
Delta Air LinesDL1675
20:32
AirlineFlightNo
United AirlinesUA2651
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4866
IcelandairFI7722
Copa AirlinesCM1141
Qatar AirwaysQR2043
StarluxJX7037
22:05
AirlineFlightNo
Air Transport International8C3371
22:29
AirlineFlightNo
VolarisY42177
FrontierF93405
22:35
AirlineFlightNo
Southwest AirlinesWN2767
VIEW FLIGHTS
Friday
06:00
AirlineFlightNo
Korean AirKE6122
United AirlinesUA751
Air Tahiti NuiTN2350
Singapore AirlinesSQ1219
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
06:30
AirlineFlightNo
Korean AirKE3014
SASSK3801
WestJetWS6644
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:45
AirlineFlightNo
United AirlinesUA204
07:50
AirlineFlightNo
Southwest AirlinesWN736
08:00
AirlineFlightNo
Korean AirKE6030
Air Tahiti NuiTN2354
Alaska AirlinesAS745
Hawaiian AirlinesHA4849
IcelandairFI7694
Japan AirlinesJL6365
Qatar AirwaysQR2056
CondorDE5208
11:30
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
SASSK3657
Delta Air LinesDL2740
Virgin AtlanticVS2070
12:49
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7039
13:05
AirlineFlightNo
Southwest AirlinesWN1760
13:55
AirlineFlightNo
United AirlinesUA1951
15:03
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
16:15
AirlineFlightNo
United AirlinesUA745
16:45
AirlineFlightNo
Southwest AirlinesWN1187
16:57
AirlineFlightNo
VolarisY42754
FrontierF91175
19:11
AirlineFlightNo
United AirlinesUA299
SwissLX3128
19:25
AirlineFlightNo
Southwest AirlinesWN4453
19:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8637
Air FranceAF2446
Delta Air LinesDL1675
20:32
AirlineFlightNo
United AirlinesUA2651
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4866
IcelandairFI7722
Copa AirlinesCM1141
Qatar AirwaysQR2043
StarluxJX7037
21:35
AirlineFlightNo
Air Transport International8C3371
22:29
AirlineFlightNo
VolarisY42177
FrontierF93405
22:35
AirlineFlightNo
Southwest AirlinesWN2767
VIEW FLIGHTS
Saturday
00:34
AirlineFlightNo
VolarisY42177
FrontierF93405
06:00
AirlineFlightNo
Korean AirKE6122
United AirlinesUA751
Air Tahiti NuiTN2350
Singapore AirlinesSQ1219
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
06:10
AirlineFlightNo
Southwest AirlinesWN2340
06:30
AirlineFlightNo
Korean AirKE3014
SASSK3801
Air FranceAF5785
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:45
AirlineFlightNo
United AirlinesUA204
08:00
AirlineFlightNo
Korean AirKE6030
Air Tahiti NuiTN2354
Alaska AirlinesAS745
Hawaiian AirlinesHA4849
IcelandairFI7722
Japan AirlinesJL6365
Qatar AirwaysQR2056
CondorDE5208
Air Transport International8C6743
10:10
AirlineFlightNo
Southwest AirlinesWN1760
11:35
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
SASSK3657
Delta Air LinesDL2740
Virgin AtlanticVS2070
12:49
AirlineFlightNo
FinnairAY2530
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
15:03
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
15:40
AirlineFlightNo
United AirlinesUA745
16:30
AirlineFlightNo
Southwest AirlinesWN1187
16:44
AirlineFlightNo
VolarisY42754
FrontierF91175
17:50
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
19:17
AirlineFlightNo
United AirlinesUA299
19:40
AirlineFlightNo
Korean AirKE3013
WestJetWS5495
Air FranceAF2172
KLMKL5988
Delta Air LinesDL1675
20:20
AirlineFlightNo
United AirlinesUA2651
21:36
AirlineFlightNo
VolarisY42746
FrontierF94545
22:15
AirlineFlightNo
Southwest AirlinesWN2767
22:18
AirlineFlightNo
Copa AirlinesCM1141
VIEW FLIGHTS
Sunday
06:00
AirlineFlightNo
Korean AirKE6122
United AirlinesUA751
Air Tahiti NuiTN2350
Singapore AirlinesSQ1219
Alaska AirlinesAS643
Hawaiian AirlinesHA4868
Qatar AirwaysQR2036
06:30
AirlineFlightNo
Korean AirKE3014
SASSK3801
WestJetWS6644
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:45
AirlineFlightNo
United AirlinesUA204
08:00
AirlineFlightNo
Alaska AirlinesAS745
08:45
AirlineFlightNo
Southwest AirlinesWN736
11:30
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
SASSK3657
Delta Air LinesDL2740
Southwest AirlinesWN2559
Virgin AtlanticVS2070
12:49
AirlineFlightNo
Alaska AirlinesAS682
13:55
AirlineFlightNo
United AirlinesUA1951
14:48
AirlineFlightNo
FinnairAY2530
Air Tahiti NuiTN2349
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
15:03
AirlineFlightNo
Alaska AirlinesAS535
16:15
AirlineFlightNo
United AirlinesUA745
16:44
AirlineFlightNo
FrontierF91175
17:30
AirlineFlightNo
Southwest AirlinesWN1187
17:50
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
19:11
AirlineFlightNo
United AirlinesUA299
19:25
AirlineFlightNo
Southwest AirlinesWN4453
19:40
AirlineFlightNo
Delta Air LinesDL1675
20:32
AirlineFlightNo
United AirlinesUA2651
Alaska AirlinesAS615
22:29
AirlineFlightNo
VolarisY42177
FrontierF93405
22:50
AirlineFlightNo
Southwest AirlinesWN2767
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

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 £34.22 ($46 €40.02)
£34.22
$46 | €40.02
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 £72.90 ($98 €85.26)
£72.90
$98 | €85.26
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, Finnair, Frontier, Hawaiian Airlines, Icelandair, Japan Airlines, Jet Linx Aviation, KLM, Korean Air, Qatar Airways, SAS, Singapore Airlines, Southwest Airlines, Starlux, Swiss, 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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