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

We've found the cheapest flights to Denver

Returns from £79.70

One-way from £40.26

Aeromexico, Volaris, Singapore Airlines, Condor, Starlux, Frontier, WestJet, Air Transport International, Jet Linx Aviation, Copa Airlines, All Nippon Airways, Virgin Atlantic, Qatar Airways, Delta Air Lines, Air France, KLM, Icelandair, Korean Air, Delta Connection, Air Tahiti Nui, Hawaiian Airlines, Alaska Airlines, Southwest 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 Airlines546654402:0522:30VIEW FLIGHTS
Southwest Airlines333333305:0515:55VIEW FLIGHTS
Hawaiian Airlines322334207:2523:15VIEW FLIGHTS
Alaska Airlines322333307:2519:38VIEW FLIGHTS
Air Tahiti Nui322333207:2523:15VIEW FLIGHTS
Delta Connection222222208:1515:15VIEW FLIGHTS
Korean Air222322012:0019:55VIEW FLIGHTS
Icelandair212121207:2523:15VIEW FLIGHTS
KLM121212015:1519:55VIEW FLIGHTS
Virgin Atlantic111111119:5523:42VIEW FLIGHTS
Qatar Airways111111118:5923:15VIEW FLIGHTS
Delta Air Lines111111119:5519:55VIEW FLIGHTS
Air France111211015:1519:55VIEW FLIGHTS
Jet Linx Aviation111111012:0018:59VIEW FLIGHTS
Copa Airlines111111015:1815:18VIEW FLIGHTS
All Nippon Airways111111015:1815:18VIEW FLIGHTS
WestJet110111015:1515:15VIEW FLIGHTS
Air Transport International101111005:3015:45VIEW FLIGHTS
Starlux001011118:5923:15VIEW FLIGHTS
Frontier100110115:1515:18VIEW FLIGHTS
Volaris100110015:1515:15VIEW FLIGHTS
Singapore Airlines010101012:0018:59VIEW FLIGHTS
Condor100101018:5918:59VIEW FLIGHTS
Aeromexico000100019:5519:55VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 34 flights a week. The earliest flights are operated at 02:05 and the latest flights operated at 22:30 and the most common flight numbers are UA1279, UA1483, UA1829 and UA2269

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
05:00
AirlineFlightNo
United AirlinesUA2269
05:30
AirlineFlightNo
Air Transport International8C3371
07:25
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
07:30
AirlineFlightNo
Southwest AirlinesWN743
08:15
AirlineFlightNo
Delta ConnectionDL3694
09:00
AirlineFlightNo
United AirlinesUA1829
10:00
AirlineFlightNo
Southwest AirlinesWN249
12:00
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2442
Alaska AirlinesAS602
Hawaiian AirlinesHA6412
Jet Linx AviationJL6364
12:20
AirlineFlightNo
Southwest AirlinesWN3929
12:35
AirlineFlightNo
United AirlinesUA1483
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS7662
Air FranceAF2229
KLMKL6266
VolarisY42232
FrontierF93406
Delta ConnectionDL3679
15:18
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
18:00
AirlineFlightNo
United AirlinesUA1279
18:59
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS321
Hawaiian AirlinesHA6410
IcelandairFI7699
Qatar AirwaysQR2129
CondorDE5207
19:55
AirlineFlightNo
Delta Air LinesDL2851
Virgin AtlanticVS2102
VIEW FLIGHTS
Tuesday
05:00
AirlineFlightNo
United AirlinesUA2269
07:25
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
07:30
AirlineFlightNo
Southwest AirlinesWN743
08:15
AirlineFlightNo
Delta ConnectionDL3694
09:00
AirlineFlightNo
United AirlinesUA1829
10:00
AirlineFlightNo
Southwest AirlinesWN249
12:20
AirlineFlightNo
Southwest AirlinesWN3929
12:35
AirlineFlightNo
United AirlinesUA1483
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS7662
Air FranceAF2229
KLMKL6266
Delta ConnectionDL3679
15:18
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
18:59
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2379
Singapore AirlinesSQ1218
Alaska AirlinesAS321
Hawaiian AirlinesHA6410
IcelandairFI7699
Qatar AirwaysQR2129
Jet Linx AviationJL6364
19:55
AirlineFlightNo
KLMKL6268
Delta Air LinesDL2851
Virgin AtlanticVS2102
VIEW FLIGHTS
Wednesday
05:00
AirlineFlightNo
United AirlinesUA2269
06:00
AirlineFlightNo
Air Transport International8C3371
07:25
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
07:30
AirlineFlightNo
Southwest AirlinesWN743
08:15
AirlineFlightNo
Delta ConnectionDL3694
09:00
AirlineFlightNo
United AirlinesUA1829
10:00
AirlineFlightNo
Southwest AirlinesWN249
12:20
AirlineFlightNo
Southwest AirlinesWN3929
12:35
AirlineFlightNo
United AirlinesUA1483
15:15
AirlineFlightNo
Korean AirKE3013
Air FranceAF2085
KLMKL6266
Delta ConnectionDL3679
15:18
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
18:00
AirlineFlightNo
United AirlinesUA1279
18:59
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2379
Alaska AirlinesAS321
Hawaiian AirlinesHA6517
IcelandairFI7699
Qatar AirwaysQR2129
Jet Linx AviationJL6364
StarluxJX7040
19:55
AirlineFlightNo
Delta Air LinesDL2851
Virgin AtlanticVS2102
22:30
AirlineFlightNo
United AirlinesUA3925
VIEW FLIGHTS
Thursday
02:05
AirlineFlightNo
United AirlinesUA3925
05:00
AirlineFlightNo
United AirlinesUA2269
05:05
AirlineFlightNo
Southwest AirlinesWN743
07:25
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:15
AirlineFlightNo
Delta ConnectionDL3694
09:00
AirlineFlightNo
United AirlinesUA1829
09:45
AirlineFlightNo
Southwest AirlinesWN805
12:00
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2442
Singapore AirlinesSQ1218
Alaska AirlinesAS602
Hawaiian AirlinesHA6412
Jet Linx AviationJL6364
12:35
AirlineFlightNo
United AirlinesUA1483
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS7662
Air FranceAF2229
KLMKL6266
VolarisY42232
FrontierF93406
Delta ConnectionDL3679
15:18
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:45
AirlineFlightNo
Air Transport International8C3411
15:55
AirlineFlightNo
Southwest AirlinesWN249
18:00
AirlineFlightNo
United AirlinesUA1279
18:59
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS321
Hawaiian AirlinesHA6410
IcelandairFI7699
Qatar AirwaysQR2129
CondorDE5207
19:55
AirlineFlightNo
Korean AirKE7017
AeromexicoAM3064
Air FranceAF5978
KLMKL5508
Delta Air LinesDL2851
Virgin AtlanticVS2537
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
United AirlinesUA2269
05:05
AirlineFlightNo
Southwest AirlinesWN743
07:25
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:15
AirlineFlightNo
Delta ConnectionDL3694
09:00
AirlineFlightNo
United AirlinesUA1829
09:45
AirlineFlightNo
Southwest AirlinesWN805
12:00
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2442
Alaska AirlinesAS602
Hawaiian AirlinesHA6412
Jet Linx AviationJL6364
12:35
AirlineFlightNo
United AirlinesUA1483
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS7662
Air FranceAF2229
KLMKL6266
VolarisY42232
FrontierF93406
Delta ConnectionDL3679
15:18
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:45
AirlineFlightNo
Air Transport International8C3411
15:55
AirlineFlightNo
Southwest AirlinesWN249
18:00
AirlineFlightNo
United AirlinesUA1279
18:59
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS321
Hawaiian AirlinesHA6410
IcelandairFI7699
Qatar AirwaysQR2129
StarluxJX7040
19:55
AirlineFlightNo
Delta Air LinesDL2851
Virgin AtlanticVS2102
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
United AirlinesUA2269
06:30
AirlineFlightNo
Southwest AirlinesWN743
07:25
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:15
AirlineFlightNo
Delta ConnectionDL3694
09:00
AirlineFlightNo
United AirlinesUA1829
Southwest AirlinesWN3430
11:55
AirlineFlightNo
Southwest AirlinesWN2613
12:00
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2442
Singapore AirlinesSQ1218
Alaska AirlinesAS602
Hawaiian AirlinesHA6412
Jet Linx AviationJL6364
12:35
AirlineFlightNo
United AirlinesUA1483
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS7662
Air FranceAF2229
KLMKL6266
Delta ConnectionDL3679
15:18
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:45
AirlineFlightNo
Air Transport International8C3411
18:59
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS321
Hawaiian AirlinesHA6410
Hawaiian AirlinesHA6517
IcelandairFI7699
Qatar AirwaysQR2129
CondorDE5207
StarluxJX7040
19:55
AirlineFlightNo
KLMKL6268
Delta Air LinesDL2851
Virgin AtlanticVS2102
VIEW FLIGHTS
Sunday
05:00
AirlineFlightNo
United AirlinesUA2269
07:25
AirlineFlightNo
Alaska AirlinesAS682
07:30
AirlineFlightNo
Southwest AirlinesWN743
08:15
AirlineFlightNo
Delta ConnectionDL3694
09:00
AirlineFlightNo
United AirlinesUA1829
10:00
AirlineFlightNo
Southwest AirlinesWN249
11:07
AirlineFlightNo
Air Tahiti NuiTN2349
Hawaiian AirlinesHA6555
IcelandairFI7695
12:00
AirlineFlightNo
Alaska AirlinesAS602
12:20
AirlineFlightNo
Southwest AirlinesWN3929
12:35
AirlineFlightNo
United AirlinesUA1483
15:15
AirlineFlightNo
Delta ConnectionDL3679
15:18
AirlineFlightNo
United AirlinesUA757
FrontierF93406
19:38
AirlineFlightNo
Alaska AirlinesAS321
19:55
AirlineFlightNo
Delta Air LinesDL2851
23:15
AirlineFlightNo
Air Tahiti NuiTN2379
Hawaiian AirlinesHA6410
IcelandairFI7699
Qatar AirwaysQR2129
StarluxJX7040
23:42
AirlineFlightNo
Virgin AtlanticVS2102
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 Denver 01,648 km (1,024 miles)2 Hours 45 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 £40.26 ($49 €47.50)
£40.26
$49 | €47.50
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 £79.70 ($97 €94.04)
£79.70
$97 | €94.04
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): Aeromexico, 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, Jet Linx Aviation, KLM, Korean Air, Qatar Airways, Singapore Airlines, 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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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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