Flights from Denver Airport DEN to Seattle Airport SEA

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Returns from £45.12

One-way from £22.95

Flights are available to Denver International from Seattle-Tacoma International with a choice of 23 airliners, WestJet, Singapore Airlines, Condor, KLM, Copa Airlines, Air Transport International, Japan Airlines, Delta Connection, All Nippon Airways, Starlux, Air France, Icelandair, Volaris, Qatar Airways, Frontier, Delta Air Lines, Virgin Atlantic, Korean Air, Air Tahiti Nui, 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 Airlines545554507:5021:05VIEW FLIGHTS
Alaska Airlines433433406:0019:56VIEW FLIGHTS
Hawaiian Airlines433433306:0019:56VIEW FLIGHTS
Southwest Airlines333334307:5022:25VIEW FLIGHTS
Air Tahiti Nui333423206:0016:55VIEW FLIGHTS
Korean Air322323106:0019:59VIEW FLIGHTS
Virgin Atlantic223232106:0519:59VIEW FLIGHTS
Qatar Airways222321206:0012:49VIEW FLIGHTS
Frontier222222205:0418:58VIEW FLIGHTS
Delta Air Lines222222206:0513:40VIEW FLIGHTS
Volaris222222105:0418:58VIEW FLIGHTS
Icelandair211221207:0019:56VIEW FLIGHTS
Starlux102120210:4319:56VIEW FLIGHTS
Air France211211006:0519:59VIEW FLIGHTS
Japan Airlines111111106:0007:00VIEW FLIGHTS
Delta Connection111111119:5919:59VIEW FLIGHTS
All Nippon Airways111111111:5011:50VIEW FLIGHTS
KLM111111019:5919:59VIEW FLIGHTS
Copa Airlines110111119:0521:05VIEW FLIGHTS
Air Transport International111111021:1821:20VIEW FLIGHTS
Condor100101010:4310:43VIEW FLIGHTS
WestJet000101019:5919:59VIEW FLIGHTS
Singapore Airlines100010019:5619:56VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 33 flights a week. The earliest flights are operated at 07:50 and the latest flights operated at 21:05 and the most common flight numbers are UA1399, UA2651, UA299 and UA423

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 AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4817
Japan AirlinesJL6365
Qatar AirwaysQR2036
VolarisY42754
FrontierF91175
06:05
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:50
AirlineFlightNo
United AirlinesUA1399
Southwest AirlinesWN1061
10:43
AirlineFlightNo
Air Tahiti NuiTN2368
Alaska AirlinesAS681
Hawaiian AirlinesHA4819
IcelandairFI7694
Qatar AirwaysQR2046
CondorDE5237
11:50
AirlineFlightNo
United AirlinesUA423
All Nippon AirwaysNH7375
13:40
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
15:45
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4814
16:04
AirlineFlightNo
United AirlinesUA759
16:50
AirlineFlightNo
Southwest AirlinesWN3786
17:49
AirlineFlightNo
StarluxJX7039
17:56
AirlineFlightNo
VolarisY48015
FrontierF93405
19:05
AirlineFlightNo
United AirlinesUA299
19:56
AirlineFlightNo
Singapore AirlinesSQ1219
Alaska AirlinesAS705
Hawaiian AirlinesHA4820
IcelandairFI7698
19:59
AirlineFlightNo
Korean AirKE3045
Air FranceAF2229
KLMKL6266
Delta ConnectionDL4094
21:05
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:18
AirlineFlightNo
Air Transport International8C3453
22:25
AirlineFlightNo
Southwest AirlinesWN540
VIEW FLIGHTS
Tuesday
06:00
AirlineFlightNo
VolarisY42754
FrontierF91175
06:05
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4817
IcelandairFI7694
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:50
AirlineFlightNo
United AirlinesUA1399
10:05
AirlineFlightNo
Southwest AirlinesWN4435
11:50
AirlineFlightNo
United AirlinesUA423
All Nippon AirwaysNH7375
12:49
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
Hawaiian AirlinesHA4819
Qatar AirwaysQR2035
13:40
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA759
16:40
AirlineFlightNo
Southwest AirlinesWN1458
16:55
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
17:17
AirlineFlightNo
VolarisY48015
FrontierF93405
19:05
AirlineFlightNo
United AirlinesUA299
Copa AirlinesCM1141
19:59
AirlineFlightNo
KLMKL7088
Delta ConnectionDL4094
20:55
AirlineFlightNo
Southwest AirlinesWN540
21:18
AirlineFlightNo
Air Transport International8C3453
VIEW FLIGHTS
Wednesday
05:04
AirlineFlightNo
VolarisY42754
FrontierF91175
06:05
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4817
IcelandairFI7694
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:50
AirlineFlightNo
United AirlinesUA1399
10:05
AirlineFlightNo
Southwest AirlinesWN4435
11:50
AirlineFlightNo
United AirlinesUA423
All Nippon AirwaysNH7375
12:49
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
Hawaiian AirlinesHA4819
Qatar AirwaysQR2035
StarluxJX7041
13:40
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA759
16:40
AirlineFlightNo
Southwest AirlinesWN1458
16:55
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
StarluxJX7039
17:18
AirlineFlightNo
VolarisY48015
FrontierF93405
19:05
AirlineFlightNo
United AirlinesUA299
19:59
AirlineFlightNo
KLMKL7088
Delta ConnectionDL4094
Virgin AtlanticVS3692
20:55
AirlineFlightNo
Southwest AirlinesWN540
21:05
AirlineFlightNo
United AirlinesUA2651
21:20
AirlineFlightNo
Air Transport International8C3453
VIEW FLIGHTS
Thursday
06:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4817
Japan AirlinesJL6365
Qatar AirwaysQR2036
VolarisY42754
FrontierF91175
06:05
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:50
AirlineFlightNo
United AirlinesUA1399
Southwest AirlinesWN1061
10:43
AirlineFlightNo
Air Tahiti NuiTN2368
Alaska AirlinesAS681
Hawaiian AirlinesHA4819
IcelandairFI7694
Qatar AirwaysQR2046
CondorDE5237
11:50
AirlineFlightNo
United AirlinesUA423
All Nippon AirwaysNH7375
12:48
AirlineFlightNo
Air Tahiti NuiTN2349
Qatar AirwaysQR2035
StarluxJX7041
13:40
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
15:45
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4814
16:04
AirlineFlightNo
United AirlinesUA759
16:50
AirlineFlightNo
Southwest AirlinesWN3786
18:58
AirlineFlightNo
VolarisY48015
FrontierF93405
19:05
AirlineFlightNo
United AirlinesUA299
19:56
AirlineFlightNo
Alaska AirlinesAS705
Hawaiian AirlinesHA4820
IcelandairFI7698
19:59
AirlineFlightNo
Korean AirKE3045
WestJetWS8536
Air FranceAF2172
KLMKL6266
Delta ConnectionDL4094
21:05
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:18
AirlineFlightNo
Air Transport International8C3453
22:25
AirlineFlightNo
Southwest AirlinesWN540
VIEW FLIGHTS
Friday
06:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4817
Japan AirlinesJL6365
Qatar AirwaysQR2036
06:05
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
VolarisY42754
FrontierF91175
Virgin AtlanticVS2069
07:50
AirlineFlightNo
United AirlinesUA1399
Southwest AirlinesWN1061
10:43
AirlineFlightNo
Air Tahiti NuiTN2368
Alaska AirlinesAS681
Hawaiian AirlinesHA4819
IcelandairFI7694
Qatar AirwaysQR2046
StarluxJX7041
11:50
AirlineFlightNo
United AirlinesUA423
All Nippon AirwaysNH7375
13:40
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA759
16:50
AirlineFlightNo
Southwest AirlinesWN3786
17:59
AirlineFlightNo
VolarisY48015
FrontierF93405
19:05
AirlineFlightNo
United AirlinesUA299
19:56
AirlineFlightNo
Singapore AirlinesSQ1219
Alaska AirlinesAS705
Hawaiian AirlinesHA4820
IcelandairFI7698
StarluxJX7037
19:59
AirlineFlightNo
KLMKL7088
Delta ConnectionDL4094
Virgin AtlanticVS3692
21:05
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:18
AirlineFlightNo
Air Transport International8C3453
22:25
AirlineFlightNo
Southwest AirlinesWN540
VIEW FLIGHTS
Saturday
00:25
AirlineFlightNo
Southwest AirlinesWN540
06:00
AirlineFlightNo
VolarisY42754
FrontierF91175
06:05
AirlineFlightNo
Korean AirKE3014
Air FranceAF2113
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4817
IcelandairFI7694
Japan AirlinesJL6365
Qatar AirwaysQR2036
07:50
AirlineFlightNo
United AirlinesUA1399
09:45
AirlineFlightNo
Southwest AirlinesWN3022
11:50
AirlineFlightNo
United AirlinesUA423
All Nippon AirwaysNH7375
13:05
AirlineFlightNo
Southwest AirlinesWN1059
13:39
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS681
Hawaiian AirlinesHA4819
CondorDE5237
13:40
AirlineFlightNo
Delta Air LinesDL2740
Virgin AtlanticVS2070
16:00
AirlineFlightNo
VolarisY42166
FrontierF93149
16:04
AirlineFlightNo
United AirlinesUA759
16:50
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA4867
16:55
AirlineFlightNo
Southwest AirlinesWN1310
19:05
AirlineFlightNo
United AirlinesUA299
Copa AirlinesCM1141
19:59
AirlineFlightNo
Korean AirKE3045
WestJetWS8536
KLMKL6266
Delta ConnectionDL4094
21:18
AirlineFlightNo
Air Transport International8C3453
VIEW FLIGHTS
Sunday
05:55
AirlineFlightNo
VolarisY42754
FrontierF91175
06:00
AirlineFlightNo
Korean AirKE6122
Air Tahiti NuiTN2350
Alaska AirlinesAS643
Hawaiian AirlinesHA4817
Japan AirlinesJL6365
Qatar AirwaysQR2036
06:05
AirlineFlightNo
Delta Air LinesDL1731
07:50
AirlineFlightNo
United AirlinesUA1399
Southwest AirlinesWN1061
10:43
AirlineFlightNo
Air Tahiti NuiTN2368
Alaska AirlinesAS681
Hawaiian AirlinesHA4819
IcelandairFI7694
Qatar AirwaysQR2046
StarluxJX7041
11:50
AirlineFlightNo
United AirlinesUA423
All Nippon AirwaysNH7375
13:40
AirlineFlightNo
Delta Air LinesDL2740
15:45
AirlineFlightNo
Alaska AirlinesAS620
15:58
AirlineFlightNo
Virgin AtlanticVS2070
16:04
AirlineFlightNo
United AirlinesUA759
16:50
AirlineFlightNo
Southwest AirlinesWN3786
18:40
AirlineFlightNo
FrontierF93405
19:05
AirlineFlightNo
United AirlinesUA299
19:56
AirlineFlightNo
Alaska AirlinesAS705
Hawaiian AirlinesHA4820
IcelandairFI7698
StarluxJX7037
19:59
AirlineFlightNo
Delta ConnectionDL4094
21:05
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
22:25
AirlineFlightNo
Southwest AirlinesWN540
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 £22.95 ($29 €27.46)
£22.95
$29 | €27.46
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 £45.12 ($57 €53.97)
£45.12
$57 | €53.97
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, Delta Connection, Frontier, Hawaiian Airlines, Icelandair, Japan Airlines, KLM, Korean Air, Qatar Airways, Singapore Airlines, 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

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

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