Flights from Denver Airport DEN to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £62.70

One-way from £28.03

Flights are available to Denver International from Seattle-Tacoma International with a choice of 25 airliners, Swiss, KLM, Copa Airlines, Singapore Airlines, Japan Airlines, All Nippon Airways, Air Transport International, Jet Linx Aviation, WestJet, Frontier, Volaris, Air France, SAS, Condor, Virgin Atlantic, Starlux, Qatar Airways, Korean Air, Icelandair, Delta Air Lines, Hawaiian Airlines, Air Tahiti Nui, Southwest 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 Airlines656666608:0021:00VIEW FLIGHTS
Alaska Airlines555554508:0021:23VIEW FLIGHTS
Southwest Airlines644554500:2022:25VIEW FLIGHTS
Hawaiian Airlines555554208:0021:23VIEW FLIGHTS
Air Tahiti Nui555554208:0021:23VIEW FLIGHTS
Delta Air Lines333333306:4019:59VIEW FLIGHTS
Icelandair333333208:0021:23VIEW FLIGHTS
Qatar Airways333332208:0021:23VIEW FLIGHTS
Korean Air333332206:4019:59VIEW FLIGHTS
Starlux333333013:0619:33VIEW FLIGHTS
Virgin Atlantic222222206:4012:00VIEW FLIGHTS
Condor222222108:0015:02VIEW FLIGHTS
SAS303030206:4019:59VIEW FLIGHTS
Volaris121122100:3022:29VIEW FLIGHTS
Air France122211106:4019:59VIEW FLIGHTS
WestJet111221106:4019:59VIEW FLIGHTS
Frontier121112100:3022:29VIEW FLIGHTS
Jet Linx Aviation111111108:0008:00VIEW FLIGHTS
Japan Airlines111111010:0610:06VIEW FLIGHTS
All Nippon Airways111111011:2811:28VIEW FLIGHTS
Air Transport International111111021:3522:05VIEW FLIGHTS
Singapore Airlines111110021:2323:28VIEW FLIGHTS
Swiss101010019:2519:25VIEW FLIGHTS
KLM111000019:5919:59VIEW FLIGHTS
Copa Airlines100110021:0021:00VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 41 flights a week. The earliest flights are operated at 08:00 and the latest flights operated at 21:00 and the most common flight numbers are UA2271, UA2651, UA299 and UA594

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
00:20
AirlineFlightNo
Southwest AirlinesWN3042
06:50
AirlineFlightNo
Korean AirKE3014
SASSK3801
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:50
AirlineFlightNo
Southwest AirlinesWN3070
08:00
AirlineFlightNo
Korean AirKE6030
United AirlinesUA2271
Air Tahiti NuiTN2354
Alaska AirlinesAS735
Hawaiian AirlinesHA4801
Qatar AirwaysQR2028
Jet Linx AviationJL6365
10:06
AirlineFlightNo
Japan AirlinesJL6365
11:28
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
SASSK3657
Air FranceAF2325
Delta Air LinesDL2740
Virgin AtlanticVS2070
12:00
AirlineFlightNo
Southwest AirlinesWN1319
13:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:56
AirlineFlightNo
United AirlinesUA594
15:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
CondorDE5208
StarluxJX7041
15:55
AirlineFlightNo
United AirlinesUA745
16:00
AirlineFlightNo
Southwest AirlinesWN519
17:50
AirlineFlightNo
Southwest AirlinesWN2643
19:25
AirlineFlightNo
United AirlinesUA299
SwissLX3128
19:33
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS621
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
19:59
AirlineFlightNo
Korean AirKE3013
SASSK3262
WestJetWS7433
KLMKL5988
Delta Air LinesDL1675
21:00
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:23
AirlineFlightNo
Air Tahiti NuiTN2627
Singapore AirlinesSQ1219
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
IcelandairFI7722
Qatar AirwaysQR2043
21:35
AirlineFlightNo
Air Transport International8C3371
21:40
AirlineFlightNo
Southwest AirlinesWN2644
22:29
AirlineFlightNo
VolarisY42529
FrontierF93405
VIEW FLIGHTS
Tuesday
00:30
AirlineFlightNo
VolarisY42529
FrontierF93405
06:50
AirlineFlightNo
Korean AirKE3014
Air FranceAF2187
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:00
AirlineFlightNo
Korean AirKE6030
United AirlinesUA2271
Air Tahiti NuiTN2354
Alaska AirlinesAS735
Hawaiian AirlinesHA4801
Qatar AirwaysQR2028
CondorDE5208
Jet Linx AviationJL6365
08:30
AirlineFlightNo
Southwest AirlinesWN914
10:06
AirlineFlightNo
Japan AirlinesJL6365
11:28
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:10
AirlineFlightNo
Southwest AirlinesWN1001
13:56
AirlineFlightNo
United AirlinesUA594
15:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
15:57
AirlineFlightNo
United AirlinesUA745
18:17
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS621
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
19:00
AirlineFlightNo
Southwest AirlinesWN2644
19:25
AirlineFlightNo
United AirlinesUA299
19:59
AirlineFlightNo
Korean AirKE3013
WestJetWS7433
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
20:55
AirlineFlightNo
VolarisY42693
FrontierF94545
21:15
AirlineFlightNo
Southwest AirlinesWN2643
21:23
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
IcelandairFI7722
Qatar AirwaysQR2043
21:35
AirlineFlightNo
Air Transport International8C3371
23:28
AirlineFlightNo
Singapore AirlinesSQ1219
VIEW FLIGHTS
Wednesday
06:50
AirlineFlightNo
Korean AirKE3014
SASSK3801
Air FranceAF2187
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:00
AirlineFlightNo
Korean AirKE6030
United AirlinesUA2271
Air Tahiti NuiTN2354
Alaska AirlinesAS735
Hawaiian AirlinesHA4801
Qatar AirwaysQR2028
CondorDE5208
Jet Linx AviationJL6365
08:30
AirlineFlightNo
Southwest AirlinesWN914
10:06
AirlineFlightNo
Japan AirlinesJL6365
11:28
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
SASSK3657
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:10
AirlineFlightNo
Southwest AirlinesWN1001
13:56
AirlineFlightNo
United AirlinesUA594
15:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
15:55
AirlineFlightNo
United AirlinesUA745
18:17
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS621
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
19:00
AirlineFlightNo
Southwest AirlinesWN2644
19:25
AirlineFlightNo
United AirlinesUA299
SwissLX3128
19:59
AirlineFlightNo
Korean AirKE3013
SASSK3262
WestJetWS7433
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
20:55
AirlineFlightNo
VolarisY42693
FrontierF94545
21:00
AirlineFlightNo
United AirlinesUA2651
21:15
AirlineFlightNo
Southwest AirlinesWN2643
21:23
AirlineFlightNo
Air Tahiti NuiTN2627
Singapore AirlinesSQ1219
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
IcelandairFI7722
Qatar AirwaysQR2043
22:05
AirlineFlightNo
Air Transport International8C3371
VIEW FLIGHTS
Thursday
06:55
AirlineFlightNo
Korean AirKE3014
WestJetWS5508
Air FranceAF2187
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:50
AirlineFlightNo
Southwest AirlinesWN3070
08:00
AirlineFlightNo
Korean AirKE6030
United AirlinesUA2271
Air Tahiti NuiTN2354
Alaska AirlinesAS735
Hawaiian AirlinesHA4801
Qatar AirwaysQR2028
CondorDE5208
Jet Linx AviationJL6365
10:06
AirlineFlightNo
Japan AirlinesJL6365
11:28
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:00
AirlineFlightNo
Delta Air LinesDL2740
Southwest AirlinesWN1319
Virgin AtlanticVS2070
13:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:56
AirlineFlightNo
United AirlinesUA594
15:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
15:55
AirlineFlightNo
United AirlinesUA745
16:00
AirlineFlightNo
Southwest AirlinesWN519
17:50
AirlineFlightNo
Southwest AirlinesWN2643
19:25
AirlineFlightNo
United AirlinesUA299
19:33
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS621
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
19:49
AirlineFlightNo
Korean AirKE3013
WestJetWS5539
Air FranceAF2446
Delta Air LinesDL1675
21:00
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:23
AirlineFlightNo
Air Tahiti NuiTN2627
Singapore AirlinesSQ1219
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
IcelandairFI7722
Qatar AirwaysQR2043
21:35
AirlineFlightNo
Air Transport International8C3371
21:40
AirlineFlightNo
Southwest AirlinesWN2644
22:29
AirlineFlightNo
VolarisY42529
FrontierF93405
VIEW FLIGHTS
Friday
00:30
AirlineFlightNo
VolarisY42529
06:55
AirlineFlightNo
Korean AirKE3014
SASSK3801
WestJetWS6644
Air FranceAF2100
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:50
AirlineFlightNo
Southwest AirlinesWN3070
08:00
AirlineFlightNo
Korean AirKE6030
United AirlinesUA2271
Air Tahiti NuiTN2354
Alaska AirlinesAS735
Hawaiian AirlinesHA4801
Qatar AirwaysQR2028
CondorDE5208
Jet Linx AviationJL6365
10:06
AirlineFlightNo
Japan AirlinesJL6365
11:28
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:00
AirlineFlightNo
SASSK3657
Delta Air LinesDL2740
Southwest AirlinesWN1319
Virgin AtlanticVS2070
13:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:56
AirlineFlightNo
United AirlinesUA594
15:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
15:55
AirlineFlightNo
United AirlinesUA745
16:00
AirlineFlightNo
Southwest AirlinesWN519
17:50
AirlineFlightNo
Southwest AirlinesWN2643
19:25
AirlineFlightNo
United AirlinesUA299
SwissLX3128
19:33
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS621
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
19:49
AirlineFlightNo
Korean AirKE3013
SASSK3262
WestJetWS7252
Delta Air LinesDL1675
21:00
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:23
AirlineFlightNo
Air Tahiti NuiTN2627
Singapore AirlinesSQ1219
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
IcelandairFI7722
Qatar AirwaysQR2043
21:40
AirlineFlightNo
Southwest AirlinesWN2644
22:05
AirlineFlightNo
Air Transport International8C3371
22:29
AirlineFlightNo
VolarisY42551
FrontierF93405
VIEW FLIGHTS
Saturday
00:30
AirlineFlightNo
VolarisY42551
FrontierF93405
06:00
AirlineFlightNo
United AirlinesUA3925
06:10
AirlineFlightNo
Korean AirKE3014
WestJetWS5492
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:45
AirlineFlightNo
Southwest AirlinesWN914
08:00
AirlineFlightNo
Korean AirKE6030
United AirlinesUA2271
Air Tahiti NuiTN2354
Alaska AirlinesAS735
Hawaiian AirlinesHA4801
IcelandairFI7722
Qatar AirwaysQR2028
CondorDE5208
Jet Linx AviationJL6365
10:06
AirlineFlightNo
Japan AirlinesJL6365
10:55
AirlineFlightNo
Southwest AirlinesWN1001
11:28
AirlineFlightNo
United AirlinesUA690
All Nippon AirwaysNH7375
12:00
AirlineFlightNo
Air FranceAF2325
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA4869
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
13:56
AirlineFlightNo
United AirlinesUA594
14:50
AirlineFlightNo
Southwest AirlinesWN519
15:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA4865
IcelandairFI7698
StarluxJX7041
15:57
AirlineFlightNo
United AirlinesUA745
18:17
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS621
Hawaiian AirlinesHA4867
IcelandairFI7694
StarluxJX7039
18:33
AirlineFlightNo
VolarisY42722
FrontierF94545
19:25
AirlineFlightNo
United AirlinesUA299
19:49
AirlineFlightNo
Delta Air LinesDL1675
19:55
AirlineFlightNo
Southwest AirlinesWN2644
21:35
AirlineFlightNo
Air Transport International8C3371
VIEW FLIGHTS
Sunday
06:40
AirlineFlightNo
Korean AirKE3014
SASSK3801
WestJetWS6644
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
08:00
AirlineFlightNo
Korean AirKE6030
United AirlinesUA2271
Air Tahiti NuiTN2354
Alaska AirlinesAS735
Hawaiian AirlinesHA4801
IcelandairFI7694
Southwest AirlinesWN914
Qatar AirwaysQR2028
CondorDE5208
Jet Linx AviationJL6365
11:28
AirlineFlightNo
United AirlinesUA690
12:00
AirlineFlightNo
SASSK3657
Delta Air LinesDL2740
Virgin AtlanticVS2070
13:05
AirlineFlightNo
Southwest AirlinesWN1001
13:06
AirlineFlightNo
Alaska AirlinesAS682
13:56
AirlineFlightNo
United AirlinesUA594
15:02
AirlineFlightNo
Alaska AirlinesAS535
15:50
AirlineFlightNo
Southwest AirlinesWN519
15:55
AirlineFlightNo
United AirlinesUA745
19:25
AirlineFlightNo
United AirlinesUA299
19:33
AirlineFlightNo
Alaska AirlinesAS621
19:49
AirlineFlightNo
Delta Air LinesDL1675
20:10
AirlineFlightNo
Southwest AirlinesWN2644
21:00
AirlineFlightNo
United AirlinesUA2651
21:23
AirlineFlightNo
Air Tahiti NuiTN2627
Alaska AirlinesAS615
Hawaiian AirlinesHA4820
IcelandairFI7722
Qatar AirwaysQR2043
22:25
AirlineFlightNo
Southwest AirlinesWN3042
22:29
AirlineFlightNo
VolarisY42551
FrontierF93405
VIEW FLIGHTS

Before departing Denver International please check that you are holding a valid passport.

Planning a Holiday or Business Trip?

Search for cheap rental cars at DEN

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 £28.03 ($38 €32.38)
£28.03
$38 | €32.38
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 £62.70 ($85 €72.43)
£62.70
$85 | €72.43
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

Was your flight delayed or cancelled?

Was your flight delayed or cancelled?

You may be eligible to receive up to 600 EUR compensation per person in your party.

Claim Now!

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, 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

Looking for the best hire car deals?

Search for cheap rental cars in Denver

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%.

View...
Lounges at Denver Airport

See all the airport lounges, locations and opening times available at Denver Airport

View...
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

View...
Duty Free Shopping at Denver Airport

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

View...