Flights from Seattle Airport (SEA) to Denver Airport Airport (DEN)

We've found the cheapest flights to Denver

Returns from £41.29

One-way from £20.64

All Nippon Airways, WestJet, Volaris, Condor, Frontier, KLM, Air Transport International, Air France, Virgin Atlantic, Starlux, Qatar Airways, Jet Linx Aviation, Delta Air Lines, Icelandair, Delta Connection, Southwest Airlines, Korean Air, Hawaiian Airlines, Air Tahiti Nui, Alaska Airlines and United Airlines fly direct from Seattle-Tacoma International from Denver International. The flight time from Seattle-Tacoma International to Denver International is around 2 Hours 45 Minutes and you will cover 1,645 Km (1,022 Miles). The airport code for Seattle-Tacoma International is SEA and for Denver International it is DEN.

The cost of ticket prices to Denver International United States can vary quite considerably if you travel at certain times of the week especially at weekends. 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 Denver 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 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 Airlines004545005:0019:10VIEW FLIGHTS
Alaska Airlines012444008:3023:35VIEW FLIGHTS
Hawaiian Airlines012333012:1423:59VIEW FLIGHTS
Air Tahiti Nui012333012:1423:59VIEW FLIGHTS
Southwest Airlines003323005:0016:30VIEW FLIGHTS
Korean Air023222013:4023:35VIEW FLIGHTS
Delta Connection002222008:1513:45VIEW FLIGHTS
Icelandair012121012:1423:59VIEW FLIGHTS
Virgin Atlantic011111019:4023:25VIEW FLIGHTS
Starlux011111019:5423:59VIEW FLIGHTS
Qatar Airways011111019:5423:59VIEW FLIGHTS
Jet Linx Aviation011111013:3623:35VIEW FLIGHTS
Delta Air Lines011111019:4023:25VIEW FLIGHTS
KLM001111013:4013:45VIEW FLIGHTS
Air Transport International001111015:4016:10VIEW FLIGHTS
Air France001111013:4019:40VIEW FLIGHTS
Frontier000111012:0013:16VIEW FLIGHTS
WestJet000011013:4013:40VIEW FLIGHTS
Volaris000101013:1613:16VIEW FLIGHTS
Condor000101023:5923:59VIEW FLIGHTS
All Nippon Airways000010019:1019:10VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 18 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, UA2258 and UA2601

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
Tuesday
23:25
AirlineFlightNo
Korean AirKE3495
Delta Air LinesDL2851
Virgin AtlanticVS2102
23:35
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
IcelandairFI7701
Qatar AirwaysQR3441
Jet Linx AviationJL6364
StarluxJX7036
VIEW FLIGHTS
Wednesday
06:05
AirlineFlightNo
Southwest AirlinesWN3485
08:25
AirlineFlightNo
Delta ConnectionDL3685
08:40
AirlineFlightNo
United AirlinesUA1505
08:48
AirlineFlightNo
United AirlinesUA397
08:55
AirlineFlightNo
Alaska AirlinesAS682
12:25
AirlineFlightNo
United AirlinesUA2258
12:38
AirlineFlightNo
Air Tahiti NuiTN2349
Hawaiian AirlinesHA6555
IcelandairFI7695
13:40
AirlineFlightNo
Southwest AirlinesWN862
13:45
AirlineFlightNo
Korean AirKE3013
KLMKL6971
Delta ConnectionDL4026
14:05
AirlineFlightNo
Southwest AirlinesWN1513
15:30
AirlineFlightNo
United AirlinesUA757
16:10
AirlineFlightNo
Air Transport International8C3352
19:40
AirlineFlightNo
Korean AirKE3495
Air FranceAF2654
Delta Air LinesDL2851
Virgin AtlanticVS2102
19:54
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
IcelandairFI7701
Qatar AirwaysQR3441
Jet Linx AviationJL6364
StarluxJX7036
VIEW FLIGHTS
Thursday
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 AirlinesHA6555
13:15
AirlineFlightNo
Southwest AirlinesWN4045
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
15:16
AirlineFlightNo
United AirlinesUA399
Alaska AirlinesAS651
15:40
AirlineFlightNo
Air Transport International8C3352
16:30
AirlineFlightNo
Southwest AirlinesWN1513
16:41
AirlineFlightNo
United AirlinesUA757
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
14:49
AirlineFlightNo
United AirlinesUA399
15:16
AirlineFlightNo
Alaska AirlinesAS602
15:40
AirlineFlightNo
Air Transport International8C3352
16:30
AirlineFlightNo
Southwest AirlinesWN1513
19:10
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
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
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
19:00
AirlineFlightNo
United AirlinesUA3933
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
Seattle Boeing Field King County to Denver01,648 km (1,024 miles)2 Hours 45 Minutes
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

Don’t forget that flight regulations are getting tight so we recommend you leave plenty of time to get through customs at Seattle-Tacoma International.

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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 £20.64 ($28 €23.67)
£20.64
$28 | €23.67
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 £41.29 ($56 €47.34)
£41.29
$56 | €47.34
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, All Nippon Airways, 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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Useful Information about Denver Airport

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