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

We've found the cheapest flights to Denver

Returns from £54.19

One-way from £23.11

Frontier Airlines, China Southern Airlines, United Express, Singapore Airlines, El Al, WestJet, Copa Airlines, Jet Linx Aviation, All Nippon Airways, Air Transport International, Air France, Condor, Volaris, Virgin Atlantic, Icelandair, Frontier, Qatar Airways, Korean Air, KLM, American Airlines, Delta Air Lines, Air Tahiti Nui, 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 Airlines545444508:4423:00VIEW FLIGHTS
Southwest Airlines544553408:3523:10VIEW FLIGHTS
Alaska Airlines444443409:5323:56VIEW FLIGHTS
Air Tahiti Nui444443209:5323:56VIEW FLIGHTS
Delta Air Lines333333311:0023:13VIEW FLIGHTS
American Airlines333332114:4523:56VIEW FLIGHTS
Korean Air233232111:0023:56VIEW FLIGHTS
KLM233232111:0023:13VIEW FLIGHTS
Qatar Airways222221118:5523:56VIEW FLIGHTS
Icelandair221221114:4523:56VIEW FLIGHTS
Frontier212122101:2222:04VIEW FLIGHTS
Volaris212121101:2222:04VIEW FLIGHTS
Virgin Atlantic122121111:0023:13VIEW FLIGHTS
Condor112111118:5523:56VIEW FLIGHTS
Air France111111123:1323:13VIEW FLIGHTS
Jet Linx Aviation111111018:5518:55VIEW FLIGHTS
All Nippon Airways111111020:0820:08VIEW FLIGHTS
Air Transport International111111008:4709:25VIEW FLIGHTS
WestJet101111018:5518:55VIEW FLIGHTS
Copa Airlines101111020:0820:08VIEW FLIGHTS
Singapore Airlines010101014:4514:45VIEW FLIGHTS
El Al011010011:0011:00VIEW FLIGHTS
United Express000110020:0820:08VIEW FLIGHTS
Frontier Airlines100000012:0712:07VIEW FLIGHTS
China Southern Airlines000010011:0011:00VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 31 flights a week. The earliest flights are operated at 08:44 and the latest flights operated at 23:00 and the most common flight numbers are UA1362, UA1821, UA418 and UA578

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
02:17
AirlineFlightNo
VolarisY48914
FrontierF92146
08:40
AirlineFlightNo
Southwest AirlinesWN1681
08:44
AirlineFlightNo
United AirlinesUA1362
08:47
AirlineFlightNo
Air Transport International8C3345
09:53
AirlineFlightNo
Air Tahiti NuiTN2458
Alaska AirlinesAS682
11:00
AirlineFlightNo
Delta Air LinesDL664
12:07
AirlineFlightNo
Frontier AirlinesF91132
12:11
AirlineFlightNo
United AirlinesUA578
12:40
AirlineFlightNo
Southwest AirlinesWN4278
14:45
AirlineFlightNo
Air Tahiti NuiTN2457
Alaska AirlinesAS620
IcelandairFI7695
American AirlinesAA7471
16:38
AirlineFlightNo
United AirlinesUA757
16:55
AirlineFlightNo
Southwest AirlinesWN1816
18:55
AirlineFlightNo
Korean AirKE3045
Air Tahiti NuiTN2565
WestJetWS6788
Alaska AirlinesAS710
KLMKL5798
Delta Air LinesDL2956
American AirlinesAA7414
Qatar AirwaysQR2190
Jet Linx AviationJL6364
20:05
AirlineFlightNo
Southwest AirlinesWN581
20:08
AirlineFlightNo
United AirlinesUA1821
All Nippon AirwaysNH7376
Copa AirlinesCM1286
20:50
AirlineFlightNo
VolarisY42212
FrontierF91176
23:00
AirlineFlightNo
United AirlinesUA418
23:10
AirlineFlightNo
Southwest AirlinesWN3500
23:13
AirlineFlightNo
Air FranceAF2476
KLMKL5796
Delta Air LinesDL686
Virgin AtlanticVS2102
23:56
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2363
Alaska AirlinesAS642
IcelandairFI7699
American AirlinesAA7470
Qatar AirwaysQR2129
CondorDE5207
VIEW FLIGHTS
Tuesday
08:44
AirlineFlightNo
United AirlinesUA1362
09:25
AirlineFlightNo
Air Transport International8C3345
09:50
AirlineFlightNo
Southwest AirlinesWN1402
09:53
AirlineFlightNo
Air Tahiti NuiTN2458
Alaska AirlinesAS682
11:00
AirlineFlightNo
Korean AirKE7493
KLMKL5595
Delta Air LinesDL664
El AlLY4239
Virgin AtlanticVS4745
12:11
AirlineFlightNo
United AirlinesUA578
14:30
AirlineFlightNo
Southwest AirlinesWN4278
14:45
AirlineFlightNo
Air Tahiti NuiTN2457
Singapore AirlinesSQ1218
Alaska AirlinesAS620
IcelandairFI7695
American AirlinesAA7471
16:38
AirlineFlightNo
United AirlinesUA757
17:10
AirlineFlightNo
Southwest AirlinesWN1816
18:55
AirlineFlightNo
Korean AirKE3045
Air Tahiti NuiTN2565
Alaska AirlinesAS710
KLMKL5798
Delta Air LinesDL2956
American AirlinesAA7414
Qatar AirwaysQR2190
Jet Linx AviationJL6364
20:08
AirlineFlightNo
United AirlinesUA1821
All Nippon AirwaysNH7376
21:35
AirlineFlightNo
VolarisY42174
FrontierF92150
22:35
AirlineFlightNo
Southwest AirlinesWN581
23:13
AirlineFlightNo
Air FranceAF2476
KLMKL5796
Delta Air LinesDL686
Virgin AtlanticVS2102
23:36
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2363
Alaska AirlinesAS642
IcelandairFI7699
American AirlinesAA7470
Qatar AirwaysQR2129
CondorDE5207
VIEW FLIGHTS
Wednesday
01:25
AirlineFlightNo
VolarisY42174
FrontierF92150
08:44
AirlineFlightNo
United AirlinesUA1362
09:20
AirlineFlightNo
Air Transport International8C3345
09:50
AirlineFlightNo
Southwest AirlinesWN1402
09:53
AirlineFlightNo
Air Tahiti NuiTN2458
Alaska AirlinesAS682
11:00
AirlineFlightNo
Korean AirKE7493
KLMKL5595
Delta Air LinesDL664
El AlLY4281
Virgin AtlanticVS4745
12:11
AirlineFlightNo
United AirlinesUA578
14:30
AirlineFlightNo
Southwest AirlinesWN4278
14:45
AirlineFlightNo
Air Tahiti NuiTN2457
Alaska AirlinesAS620
American AirlinesAA7471
16:38
AirlineFlightNo
United AirlinesUA757
17:10
AirlineFlightNo
Southwest AirlinesWN1816
18:55
AirlineFlightNo
Korean AirKE3045
Air Tahiti NuiTN2565
WestJetWS6760
Alaska AirlinesAS710
KLMKL5798
Delta Air LinesDL2956
American AirlinesAA7414
Qatar AirwaysQR2190
CondorDE5270
Jet Linx AviationJL6364
20:08
AirlineFlightNo
United AirlinesUA1821
All Nippon AirwaysNH7376
Copa AirlinesCM1286
21:46
AirlineFlightNo
VolarisY48914
FrontierF92146
22:35
AirlineFlightNo
Southwest AirlinesWN581
23:00
AirlineFlightNo
United AirlinesUA418
23:13
AirlineFlightNo
Air FranceAF2476
KLMKL5796
Delta Air LinesDL686
Virgin AtlanticVS2102
23:36
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2363
Alaska AirlinesAS642
IcelandairFI7699
American AirlinesAA7470
Qatar AirwaysQR2129
CondorDE5207
VIEW FLIGHTS
Thursday
08:40
AirlineFlightNo
Southwest AirlinesWN1681
08:44
AirlineFlightNo
United AirlinesUA1362
09:21
AirlineFlightNo
Air Transport International8C3345
09:53
AirlineFlightNo
Air Tahiti NuiTN2458
Alaska AirlinesAS682
11:00
AirlineFlightNo
Delta Air LinesDL664
12:11
AirlineFlightNo
United AirlinesUA578
12:40
AirlineFlightNo
Southwest AirlinesWN4278
14:45
AirlineFlightNo
Air Tahiti NuiTN2457
Singapore AirlinesSQ1218
Alaska AirlinesAS620
IcelandairFI7695
American AirlinesAA7471
16:38
AirlineFlightNo
United AirlinesUA757
16:55
AirlineFlightNo
Southwest AirlinesWN1816
18:55
AirlineFlightNo
Korean AirKE3045
Air Tahiti NuiTN2565
WestJetWS6739
Alaska AirlinesAS710
KLMKL5798
Delta Air LinesDL2956
American AirlinesAA7414
Qatar AirwaysQR2190
Jet Linx AviationJL6364
20:05
AirlineFlightNo
Southwest AirlinesWN581
20:08
AirlineFlightNo
All Nippon AirwaysNH7376
Copa AirlinesCM1286
United ExpressUA5441
22:04
AirlineFlightNo
VolarisY48914
FrontierF92146
23:00
AirlineFlightNo
United AirlinesUA418
23:10
AirlineFlightNo
Southwest AirlinesWN3500
23:13
AirlineFlightNo
Air FranceAF2476
KLMKL5796
Delta Air LinesDL686
Virgin AtlanticVS2102
23:56
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2363
Alaska AirlinesAS642
IcelandairFI7699
American AirlinesAA7470
Qatar AirwaysQR2129
CondorDE5207
VIEW FLIGHTS
Friday
01:51
AirlineFlightNo
VolarisY48914
FrontierF92146
08:40
AirlineFlightNo
Southwest AirlinesWN1681
08:44
AirlineFlightNo
United AirlinesUA1362
09:23
AirlineFlightNo
Air Transport International8C3345
09:53
AirlineFlightNo
Air Tahiti NuiTN2458
Alaska AirlinesAS682
11:00
AirlineFlightNo
Korean AirKE7493
China Southern AirlinesCZ1255
KLMKL5595
Delta Air LinesDL664
El AlLY4239
Virgin AtlanticVS4745
12:11
AirlineFlightNo
United AirlinesUA578
12:40
AirlineFlightNo
Southwest AirlinesWN4278
14:45
AirlineFlightNo
Air Tahiti NuiTN2457
Alaska AirlinesAS620
IcelandairFI7695
American AirlinesAA7471
16:32
AirlineFlightNo
United AirlinesUA757
16:55
AirlineFlightNo
Southwest AirlinesWN1816
18:55
AirlineFlightNo
Korean AirKE3045
Air Tahiti NuiTN2565
WestJetWS6794
Alaska AirlinesAS710
KLMKL5798
Delta Air LinesDL2956
American AirlinesAA7414
Qatar AirwaysQR2190
Jet Linx AviationJL6364
20:05
AirlineFlightNo
Southwest AirlinesWN581
20:08
AirlineFlightNo
All Nippon AirwaysNH7376
Copa AirlinesCM1286
United ExpressUA5441
21:53
AirlineFlightNo
VolarisY42212
FrontierF91176
23:00
AirlineFlightNo
United AirlinesUA418
23:10
AirlineFlightNo
Southwest AirlinesWN3500
23:13
AirlineFlightNo
Air FranceAF2476
KLMKL5796
Delta Air LinesDL686
Virgin AtlanticVS2102
23:56
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2363
Alaska AirlinesAS642
IcelandairFI7699
American AirlinesAA7470
Qatar AirwaysQR2129
CondorDE5207
VIEW FLIGHTS
Saturday
02:21
AirlineFlightNo
VolarisY48914
FrontierF92146
08:44
AirlineFlightNo
United AirlinesUA1362
08:54
AirlineFlightNo
Air Transport International8C3345
09:10
AirlineFlightNo
Southwest AirlinesWN1402
09:53
AirlineFlightNo
Air Tahiti NuiTN2458
Alaska AirlinesAS682
11:00
AirlineFlightNo
Delta Air LinesDL664
12:11
AirlineFlightNo
United AirlinesUA578
14:45
AirlineFlightNo
Air Tahiti NuiTN2438
Singapore AirlinesSQ1218
Alaska AirlinesAS620
IcelandairFI7695
American AirlinesAA7471
15:40
AirlineFlightNo
Southwest AirlinesWN4278
16:38
AirlineFlightNo
United AirlinesUA757
18:42
AirlineFlightNo
FrontierF91132
18:55
AirlineFlightNo
Korean AirKE3045
WestJetWS6667
Air FranceAF2290
KLMKL5798
Delta Air LinesDL2956
20:08
AirlineFlightNo
United AirlinesUA1821
All Nippon AirwaysNH7376
Copa AirlinesCM1286
21:19
AirlineFlightNo
KLMKL5796
Delta Air LinesDL686
Virgin AtlanticVS2102
22:21
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2363
Alaska AirlinesAS730
American AirlinesAA7470
Qatar AirwaysQR2129
CondorDE5207
Jet Linx AviationJL6364
22:25
AirlineFlightNo
Southwest AirlinesWN324
VIEW FLIGHTS
Sunday
01:22
AirlineFlightNo
VolarisY48914
FrontierF92146
08:35
AirlineFlightNo
Southwest AirlinesWN581
08:44
AirlineFlightNo
United AirlinesUA1362
09:53
AirlineFlightNo
Air Tahiti NuiTN2458
Alaska AirlinesAS682
11:00
AirlineFlightNo
Delta Air LinesDL664
12:11
AirlineFlightNo
United AirlinesUA578
13:45
AirlineFlightNo
Southwest AirlinesWN1402
14:45
AirlineFlightNo
Alaska AirlinesAS620
16:38
AirlineFlightNo
United AirlinesUA757
18:55
AirlineFlightNo
Alaska AirlinesAS710
Delta Air LinesDL2956
19:10
AirlineFlightNo
Southwest AirlinesWN4278
20:08
AirlineFlightNo
United AirlinesUA1821
20:40
AirlineFlightNo
Southwest AirlinesWN1816
23:00
AirlineFlightNo
United AirlinesUA418
23:13
AirlineFlightNo
Air FranceAF2476
KLMKL5796
Delta Air LinesDL686
Virgin AtlanticVS2102
23:56
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2363
Alaska AirlinesAS642
IcelandairFI7699
American AirlinesAA7470
Qatar AirwaysQR2129
CondorDE5207
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
Bellingham to Denver 01,727 km (1,073 miles)2 Hours 51 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 £23.11 ($29 €26.92)
£23.11
$29 | €26.92
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 £54.19 ($68 €63.13)
£54.19
$68 | €63.13
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, American Airlines, China Southern Airlines, Condor, Copa Airlines, Delta Air Lines, El Al, Frontier, Frontier Airlines, Icelandair, Jet Linx Aviation, KLM, Korean Air, Qatar Airways, Singapore Airlines, Southwest Airlines, United Airlines, United Express, 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.

Other Airports Connecting To Denver Airport in united states

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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

See all the airport lounges, locations and opening times available 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

See all shops available at Denver Airport - plan your duty free shopping in advance

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