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

We've found the cheapest flights to Denver

Returns from £65.64

One-way from £32.08

Air Transport International, Starlux, All Nippon Airways, Volaris, Virgin Atlantic, Jet Linx Aviation, Frontier, KLM, Air France, Qatar Airways, Icelandair, Condor, WestJet, Korean Air, Southwest Airlines, Delta Air Lines, United Airlines and Alaska 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
Alaska Airlines545555007:0520:07VIEW FLIGHTS
United Airlines434443005:0219:05VIEW FLIGHTS
Delta Air Lines333333007:5519:59VIEW FLIGHTS
Southwest Airlines322332005:3013:55VIEW FLIGHTS
Korean Air222222013:4023:52VIEW FLIGHTS
WestJet212222013:4023:52VIEW FLIGHTS
Icelandair212221007:0523:59VIEW FLIGHTS
Condor212221017:5923:59VIEW FLIGHTS
Qatar Airways212301007:0523:59VIEW FLIGHTS
Air France121211013:4023:52VIEW FLIGHTS
KLM121111013:4019:59VIEW FLIGHTS
Volaris111111019:5019:50VIEW FLIGHTS
Virgin Atlantic111111019:5923:52VIEW FLIGHTS
Jet Linx Aviation111111013:1313:17VIEW FLIGHTS
Frontier111111019:5019:50VIEW FLIGHTS
Starlux101110020:0523:59VIEW FLIGHTS
All Nippon Airways101110019:0519:05VIEW FLIGHTS
Air Transport International000111015:4015:40VIEW FLIGHTS

Alaska Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 29 flights a week. The earliest flights are operated at 07:05 and the latest flights operated at 20:07 and the most common flight numbers are AS1332, AS1375, AS602 and AS642

Contact Alaska Airlines at alaskaair.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
07:05
AirlineFlightNo
Alaska AirlinesAS682
IcelandairFI7695
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:00
AirlineFlightNo
Southwest AirlinesWN4194
08:49
AirlineFlightNo
United AirlinesUA2601
08:51
AirlineFlightNo
United AirlinesUA1505
09:05
AirlineFlightNo
Southwest AirlinesWN1310
12:01
AirlineFlightNo
Alaska AirlinesAS1332
13:17
AirlineFlightNo
Alaska AirlinesAS786
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
KLMKL7354
Delta Air LinesDL2759
13:55
AirlineFlightNo
Southwest AirlinesWN4195
15:40
AirlineFlightNo
United AirlinesUA757
18:00
AirlineFlightNo
Alaska AirlinesAS602
19:05
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:59
AirlineFlightNo
Korean AirKE3495
WestJetWS7695
Air FranceAF2654
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:05
AirlineFlightNo
Alaska AirlinesAS642
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
21:49
AirlineFlightNo
Qatar AirwaysQR2966
CondorDE5270
VIEW FLIGHTS
Tuesday
05:02
AirlineFlightNo
United AirlinesUA2601
06:30
AirlineFlightNo
Southwest AirlinesWN1310
07:05
AirlineFlightNo
Alaska AirlinesAS682
IcelandairFI7695
Qatar AirwaysQR2035
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:51
AirlineFlightNo
United AirlinesUA1505
12:01
AirlineFlightNo
Alaska AirlinesAS1332
13:17
AirlineFlightNo
Alaska AirlinesAS786
Jet Linx AviationJL6364
13:25
AirlineFlightNo
Southwest AirlinesWN376
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2759
15:40
AirlineFlightNo
United AirlinesUA757
18:00
AirlineFlightNo
Alaska AirlinesAS602
CondorDE5207
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:59
AirlineFlightNo
Korean AirKE3495
Air FranceAF2654
KLMKL7713
Delta Air LinesDL2851
Virgin AtlanticVS2102
VIEW FLIGHTS
Wednesday
05:05
AirlineFlightNo
United AirlinesUA2601
06:30
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:51
AirlineFlightNo
United AirlinesUA1505
10:04
AirlineFlightNo
Alaska AirlinesAS1375
IcelandairFI7695
13:13
AirlineFlightNo
Alaska AirlinesAS786
Jet Linx AviationJL6364
13:25
AirlineFlightNo
Southwest AirlinesWN376
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
KLMKL7354
Delta Air LinesDL2759
15:40
AirlineFlightNo
United AirlinesUA757
17:59
AirlineFlightNo
Alaska AirlinesAS602
19:05
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:59
AirlineFlightNo
Delta Air LinesDL2851
20:07
AirlineFlightNo
Alaska AirlinesAS642
21:51
AirlineFlightNo
Qatar AirwaysQR2183
CondorDE5207
23:52
AirlineFlightNo
Korean AirKE3495
WestJetWS7695
Air FranceAF2346
Virgin AtlanticVS2102
23:59
AirlineFlightNo
IcelandairFI7699
Qatar AirwaysQR2188
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Thursday
05:05
AirlineFlightNo
United AirlinesUA2601
05:30
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
Qatar AirwaysQR2037
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:00
AirlineFlightNo
Southwest AirlinesWN4194
08:51
AirlineFlightNo
United AirlinesUA1505
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
Qatar AirwaysQR2138
13:13
AirlineFlightNo
Alaska AirlinesAS786
Qatar AirwaysQR2136
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2759
13:55
AirlineFlightNo
Southwest AirlinesWN4195
15:40
AirlineFlightNo
United AirlinesUA757
Air Transport International8C3352
17:59
AirlineFlightNo
Alaska AirlinesAS602
CondorDE5207
19:05
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:59
AirlineFlightNo
Korean AirKE3495
WestJetWS7695
Air FranceAF2654
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:07
AirlineFlightNo
Alaska AirlinesAS642
IcelandairFI7699
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Friday
05:05
AirlineFlightNo
United AirlinesUA2601
05:30
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:00
AirlineFlightNo
Southwest AirlinesWN4194
08:51
AirlineFlightNo
United AirlinesUA1505
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
13:13
AirlineFlightNo
Alaska AirlinesAS786
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
KLMKL7354
Delta Air LinesDL2759
13:55
AirlineFlightNo
Southwest AirlinesWN4195
15:40
AirlineFlightNo
United AirlinesUA757
Air Transport International8C3352
17:59
AirlineFlightNo
Alaska AirlinesAS602
CondorDE5207
19:05
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:59
AirlineFlightNo
Korean AirKE3495
WestJetWS7695
Air FranceAF2346
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:07
AirlineFlightNo
Alaska AirlinesAS642
23:59
AirlineFlightNo
IcelandairFI7699
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Saturday
05:02
AirlineFlightNo
United AirlinesUA2601
05:45
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:51
AirlineFlightNo
United AirlinesUA1505
09:00
AirlineFlightNo
Southwest AirlinesWN4194
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
13:13
AirlineFlightNo
Alaska AirlinesAS786
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2759
15:40
AirlineFlightNo
United AirlinesUA757
16:10
AirlineFlightNo
Air Transport International8C3352
17:59
AirlineFlightNo
Alaska AirlinesAS602
18:52
AirlineFlightNo
FrontierF91176
19:59
AirlineFlightNo
Korean AirKE3495
WestJetWS7695
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:07
AirlineFlightNo
Alaska AirlinesAS642
21:51
AirlineFlightNo
Qatar AirwaysQR2183
CondorDE5207
22:52
AirlineFlightNo
VolarisY42083
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
Wenatchee to Denver 01,501 km (933 miles)2 Hours 35 Minutes
Everett to Denver 01,665 km (1,034 miles)2 Hours 46 Minutes
Richmond Vancouver to Denver 01,789 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 £32.08 ($43 €37)
£32.08
$43 | €37
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 £65.64 ($88 €75.72)
£65.64
$88 | €75.72
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 Transport International, Alaska Airlines, All Nippon Airways, Condor, Delta Air Lines, Frontier, 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

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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