Flights from Seattle Airport SEA to Denver Airport DEN

We've found the cheapest flights to Denver

Returns from £41.51

One-way from £20.76

Flights are available to Seattle-Tacoma International from Denver International with a choice of 20 airliners, WestJet, Volaris, Condor, Air Transport International, Frontier, Jet Linx Aviation, Virgin Atlantic, Starlux, Qatar Airways, KLM, Delta Air Lines, Air France, Icelandair, Delta Connection, Korean Air, Southwest Airlines, Hawaiian Airlines, Air Tahiti Nui, Alaska Airlines and United Airlines. The distance covered when flying from Seattle-Tacoma International to Denver International United States is 1,645 Km (1,022 Miles) with the travel time being around 2 Hours 45 Minutes. SEA is the Airport code for Seattle-Tacoma International and DEN is for Denver International United States.

The cost of your trip (flights) can change at weekends and at certain times of the day (if there is a choice of flights to your chosen destination. It is normally worth booking flights well in advance if possible to get the best deal to Denver International United States perhaps midweek or late evening. Please book in advance if you want to take advantage of the best prices airlines have to offer as prices normally increase as time goes on.

The time zone at Denver International is 7.0 GMT compared to 8.0 GMT at Seattle-Tacoma International so bare this in mind is you need to make travel arrangements when you arrive at Denver International.

The table below displays the numbers of daily flights from Seattle-Tacoma International (SEA) to Denver International (DEN) and the relevant airlines that fly.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Airlines445444005:0019:10VIEW FLIGHTS
Alaska Airlines333444008:3020:14VIEW FLIGHTS
Hawaiian Airlines233333012:1423:59VIEW FLIGHTS
Air Tahiti Nui233333012:1423:59VIEW FLIGHTS
Southwest Airlines232323005:0016:30VIEW FLIGHTS
Korean Air233222013:4019:40VIEW FLIGHTS
Delta Connection222222008:1513:40VIEW FLIGHTS
Icelandair201122012:1423:59VIEW FLIGHTS
Virgin Atlantic111111019:4019:40VIEW FLIGHTS
Starlux111111017:4023:59VIEW FLIGHTS
Qatar Airways111111017:4023:59VIEW FLIGHTS
KLM111111013:4013:40VIEW FLIGHTS
Delta Air Lines111111019:4019:40VIEW FLIGHTS
Air France111111013:4019:40VIEW FLIGHTS
Jet Linx Aviation011111013:3613:36VIEW FLIGHTS
Frontier100111012:0013:16VIEW FLIGHTS
WestJet100011013:4013:40VIEW FLIGHTS
Volaris000111013:1615:50VIEW FLIGHTS
Condor100101023:5923:59VIEW FLIGHTS
Air Transport International010101015:4016:10VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 25 flights a week. The earliest flights are operated at 05:00 and the latest flights operated at 19:10 and the most common flight numbers are UA1218, UA1505, UA2601 and UA399

For more details regarding United Airlines flight information and bookings you can visit them at united.com

Please see below the times of flights. These times and frequency may vary at different times of the year please visit the website for more information.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
05:00
AirlineFlightNo
United AirlinesUA2601
Southwest AirlinesWN3485
08:15
AirlineFlightNo
Delta ConnectionDL3685
08:30
AirlineFlightNo
Alaska AirlinesAS682
09:00
AirlineFlightNo
United AirlinesUA1505
12:14
AirlineFlightNo
Air Tahiti NuiTN2426
Hawaiian AirlinesHA6653
IcelandairFI7695
12:30
AirlineFlightNo
FrontierF93406
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS7643
KLMKL6971
Delta ConnectionDL4026
15:16
AirlineFlightNo
United AirlinesUA399
Alaska AirlinesAS602
16:30
AirlineFlightNo
Southwest AirlinesWN1513
19:10
AirlineFlightNo
United AirlinesUA1218
19:40
AirlineFlightNo
Korean AirKE3495
Air FranceAF2654
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:14
AirlineFlightNo
Alaska AirlinesAS642
23:59
AirlineFlightNo
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS
Tuesday
05:00
AirlineFlightNo
United AirlinesUA2601
05:15
AirlineFlightNo
Southwest AirlinesWN3485
08:15
AirlineFlightNo
Delta ConnectionDL3685
08:30
AirlineFlightNo
Alaska AirlinesAS682
08:35
AirlineFlightNo
Southwest AirlinesWN3677
09:00
AirlineFlightNo
United AirlinesUA1505
12:14
AirlineFlightNo
Air Tahiti NuiTN2426
Hawaiian AirlinesHA6555
12:55
AirlineFlightNo
United AirlinesUA757
13:36
AirlineFlightNo
Air Tahiti NuiTN2358
Alaska AirlinesAS786
Hawaiian AirlinesHA6382
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
Air FranceAF2172
KLMKL6971
Delta ConnectionDL4026
14:15
AirlineFlightNo
Southwest AirlinesWN1513
15:16
AirlineFlightNo
United AirlinesUA399
16:10
AirlineFlightNo
Air Transport International8C3352
17:40
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2483
Alaska AirlinesAS612
Hawaiian AirlinesHA6652
Qatar AirwaysQR2180
StarluxJX7040
19:40
AirlineFlightNo
Korean AirKE3495
Delta Air LinesDL2851
Virgin AtlanticVS2102
VIEW FLIGHTS
Wednesday
05:00
AirlineFlightNo
United AirlinesUA2601
06:05
AirlineFlightNo
Southwest AirlinesWN3485
08:15
AirlineFlightNo
Delta ConnectionDL3685
08:30
AirlineFlightNo
Alaska AirlinesAS682
09:00
AirlineFlightNo
United AirlinesUA1505
12:14
AirlineFlightNo
Air Tahiti NuiTN2426
Hawaiian AirlinesHA6555
IcelandairFI7695
12:55
AirlineFlightNo
United AirlinesUA757
13:36
AirlineFlightNo
Air Tahiti NuiTN2358
Alaska AirlinesAS786
Hawaiian AirlinesHA6382
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
KLMKL6971
Delta ConnectionDL4026
14:05
AirlineFlightNo
Southwest AirlinesWN1513
14:55
AirlineFlightNo
United AirlinesUA399
17:40
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2483
Alaska AirlinesAS612
Hawaiian AirlinesHA6652
Qatar AirwaysQR2180
StarluxJX7040
19:10
AirlineFlightNo
United AirlinesUA1218
19:40
AirlineFlightNo
Korean AirKE3495
Air FranceAF2654
Delta Air LinesDL2851
Virgin AtlanticVS2102
VIEW FLIGHTS
Thursday
05:00
AirlineFlightNo
United AirlinesUA2601
05:15
AirlineFlightNo
Southwest AirlinesWN3485
08:15
AirlineFlightNo
Delta ConnectionDL3685
08:30
AirlineFlightNo
Alaska AirlinesAS682
08:35
AirlineFlightNo
Southwest AirlinesWN3677
09:00
AirlineFlightNo
United AirlinesUA1505
12:14
AirlineFlightNo
Air Tahiti NuiTN2426
Hawaiian AirlinesHA6555
13:16
AirlineFlightNo
VolarisY42931
FrontierF93406
13:36
AirlineFlightNo
Air Tahiti NuiTN2358
Alaska AirlinesAS786
Hawaiian AirlinesHA6382
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
Air FranceAF2172
KLMKL6971
Delta ConnectionDL4026
14:15
AirlineFlightNo
Southwest AirlinesWN1513
15:16
AirlineFlightNo
United AirlinesUA399
Alaska AirlinesAS602
15:40
AirlineFlightNo
Air Transport International8C3352
19:10
AirlineFlightNo
United AirlinesUA1218
19:40
AirlineFlightNo
Korean AirKE3495
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:14
AirlineFlightNo
Alaska AirlinesAS642
23:59
AirlineFlightNo
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
United AirlinesUA2601
Southwest AirlinesWN3485
08:15
AirlineFlightNo
Delta ConnectionDL3685
08:30
AirlineFlightNo
Alaska AirlinesAS682
09:00
AirlineFlightNo
United AirlinesUA1505
12:00
AirlineFlightNo
FrontierF93406
12:14
AirlineFlightNo
Air Tahiti NuiTN2426
Hawaiian AirlinesHA6653
IcelandairFI7695
13:36
AirlineFlightNo
Air Tahiti NuiTN2358
Alaska AirlinesAS786
Hawaiian AirlinesHA6382
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS7643
KLMKL6971
Delta ConnectionDL4026
15:16
AirlineFlightNo
United AirlinesUA399
Alaska AirlinesAS602
15:50
AirlineFlightNo
VolarisY42931
16:30
AirlineFlightNo
Southwest AirlinesWN1513
19:10
AirlineFlightNo
United AirlinesUA1218
19:40
AirlineFlightNo
Korean AirKE3495
Air FranceAF2346
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:14
AirlineFlightNo
Alaska AirlinesAS642
23:59
AirlineFlightNo
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
United AirlinesUA2601
06:50
AirlineFlightNo
Southwest AirlinesWN3485
08:20
AirlineFlightNo
Delta ConnectionDL3685
08:30
AirlineFlightNo
Alaska AirlinesAS682
09:00
AirlineFlightNo
United AirlinesUA1505
10:55
AirlineFlightNo
Southwest AirlinesWN1513
12:14
AirlineFlightNo
Air Tahiti NuiTN2426
Hawaiian AirlinesHA6653
IcelandairFI7695
12:55
AirlineFlightNo
United AirlinesUA757
13:16
AirlineFlightNo
VolarisY42931
FrontierF93406
13:36
AirlineFlightNo
Air Tahiti NuiTN2358
Alaska AirlinesAS786
Hawaiian AirlinesHA6382
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS7643
Air FranceAF2172
KLMKL6971
Delta ConnectionDL4026
14:05
AirlineFlightNo
Southwest AirlinesWN1290
15:16
AirlineFlightNo
Alaska AirlinesAS602
15:25
AirlineFlightNo
United AirlinesUA399
15:40
AirlineFlightNo
Air Transport International8C3352
19:40
AirlineFlightNo
Korean AirKE3495
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:14
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS

Instead of flying directly from Seattle-Tacoma International and arrive at Denver International, you may arrive Denver International by another airport. Please see chart below for a list of these.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Everett to Denver01,665 km (1,034 miles)2 Hours 46 Minutes
Richmond Vancouver to Denver01,789 km (1,112 miles)2 Hours 55 Minutes

Remember to have some local currency before travelling to Denver International as there may not be a bureau de change open upon your arrival.

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Flight Price FAQ - Seattle (SEA) to Denver (DEN)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from Seattle SEA to Denver DEN?
The cheapest direct flight one way from Seattle SEA to Denver DEN is £20.76 ($28 €23.76)
£20.76
$28 | €23.76
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from Seattle SEA to Denver DEN?
The cheapest direct return flight from Seattle SEA to Denver DEN is £41.51 ($56 €47.51)
£41.51
$56 | €47.51
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 SEA to DEN

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Flight Info FAQ - Seattle (SEA) to Denver (DEN)

Who flies from Seattle to Denver?
The following airlines fly from Seattle (SEA) to Denver (DEN): Air France, Air Tahiti Nui, Air Transport International, Alaska Airlines, Condor, Delta Air Lines, Delta Connection, Frontier, Hawaiian Airlines, Icelandair, Jet Linx Aviation, KLM, Korean Air, Qatar Airways, Southwest Airlines, Starlux, United Airlines, Virgin Atlantic, Volaris, WestJet.
How far is the flight from Seattle to Denver?
The flight from Seattle to Denver is 1,645KM or 1,022 miles.
How long does the flight from Seattle to Denver to take?
The flight from Seattle to Denver takes 2 Hours 45 Minutes.

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