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

We've found the cheapest flights to Denver

Returns from £42.98

One-way from £18.52

Frontier, Condor, Volaris, Copa Airlines, All Nippon Airways, Air Transport International, Virgin Atlantic, KLM, Jet Linx Aviation, Air France, WestJet, Starlux, Icelandair, Qatar Airways, Korean Air, Delta Air Lines, Southwest Airlines, 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 Airlines444555505:0015:50VIEW FLIGHTS
Alaska Airlines433554407:3020:17VIEW FLIGHTS
Hawaiian Airlines433554307:3023:59VIEW FLIGHTS
Air Tahiti Nui433554307:3023:59VIEW FLIGHTS
Southwest Airlines343334305:0020:35VIEW FLIGHTS
Delta Air Lines333333307:3019:35VIEW FLIGHTS
Qatar Airways211333314:1023:59VIEW FLIGHTS
Korean Air222223314:1023:23VIEW FLIGHTS
Starlux100222218:5223:59VIEW FLIGHTS
Icelandair211121107:3022:32VIEW FLIGHTS
WestJet111112115:1517:14VIEW FLIGHTS
Virgin Atlantic111111119:3523:23VIEW FLIGHTS
KLM111111115:1517:14VIEW FLIGHTS
Jet Linx Aviation111111114:1017:52VIEW FLIGHTS
Air France111111115:1523:23VIEW FLIGHTS
Volaris100211113:2515:40VIEW FLIGHTS
Copa Airlines111111015:4015:50VIEW FLIGHTS
All Nippon Airways111111015:4019:26VIEW FLIGHTS
Air Transport International111111016:0516:07VIEW FLIGHTS
Frontier100111113:2515:40VIEW FLIGHTS
Condor100202018:5220:17VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 32 flights a week. The earliest flights are operated at 05:00 and the latest flights operated at 15:50 and the most common flight numbers are UA1263, UA1374, UA1479 and UA1505

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
05:40
AirlineFlightNo
Southwest AirlinesWN2141
07:40
AirlineFlightNo
Delta Air LinesDL2740
07:55
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
IcelandairFI7695
08:40
AirlineFlightNo
United AirlinesUA1505
09:35
AirlineFlightNo
Southwest AirlinesWN290
11:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:35
AirlineFlightNo
United AirlinesUA757
14:19
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
Jet Linx AviationJL6364
14:20
AirlineFlightNo
Southwest AirlinesWN1567
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2229
KLMKL6971
Delta Air LinesDL1675
15:40
AirlineFlightNo
VolarisY42575
FrontierF93406
15:45
AirlineFlightNo
United AirlinesUA1835
All Nippon AirwaysNH7376
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3360
19:35
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:14
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS
Tuesday
05:00
AirlineFlightNo
United AirlinesUA2269
05:40
AirlineFlightNo
Southwest AirlinesWN2141
07:40
AirlineFlightNo
Delta Air LinesDL2740
07:55
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:40
AirlineFlightNo
United AirlinesUA1505
09:35
AirlineFlightNo
Southwest AirlinesWN290
11:00
AirlineFlightNo
Southwest AirlinesWN8503
11:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:35
AirlineFlightNo
United AirlinesUA757
14:19
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
Jet Linx AviationJL6364
14:20
AirlineFlightNo
Southwest AirlinesWN1567
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2446
KLMKL6971
Delta Air LinesDL1675
15:45
AirlineFlightNo
United AirlinesUA1835
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3360
19:26
AirlineFlightNo
All Nippon AirwaysNH7376
19:35
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
VIEW FLIGHTS
Wednesday
05:00
AirlineFlightNo
United AirlinesUA2269
05:40
AirlineFlightNo
Southwest AirlinesWN2141
07:40
AirlineFlightNo
Delta Air LinesDL2740
07:55
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:40
AirlineFlightNo
United AirlinesUA1505
09:35
AirlineFlightNo
Southwest AirlinesWN290
11:02
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:35
AirlineFlightNo
United AirlinesUA757
14:19
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
Jet Linx AviationJL6364
14:20
AirlineFlightNo
Southwest AirlinesWN1567
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2446
KLMKL6971
Delta Air LinesDL1675
15:40
AirlineFlightNo
United AirlinesUA1835
All Nippon AirwaysNH7376
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3360
19:35
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
VIEW FLIGHTS
Thursday
05:02
AirlineFlightNo
United AirlinesUA1479
05:35
AirlineFlightNo
Southwest AirlinesWN290
07:30
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
07:40
AirlineFlightNo
Delta Air LinesDL2740
08:35
AirlineFlightNo
Southwest AirlinesWN1692
08:57
AirlineFlightNo
United AirlinesUA1505
11:08
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:42
AirlineFlightNo
United AirlinesUA1374
13:25
AirlineFlightNo
VolarisY42575
VolarisY42648
FrontierF93406
13:55
AirlineFlightNo
United AirlinesUA1263
14:10
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
Jet Linx AviationJL6364
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2446
KLMKL6971
Delta Air LinesDL1675
15:50
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:59
AirlineFlightNo
Southwest AirlinesWN1567
16:07
AirlineFlightNo
Air Transport International8C3360
18:52
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
19:35
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:17
AirlineFlightNo
Air Tahiti NuiTN2481
Alaska AirlinesAS787
Hawaiian AirlinesHA6603
Qatar AirwaysQR3357
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
Southwest AirlinesWN734
05:02
AirlineFlightNo
United AirlinesUA1479
07:30
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
IcelandairFI7695
07:40
AirlineFlightNo
Delta Air LinesDL2740
08:57
AirlineFlightNo
United AirlinesUA1505
11:08
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:10
AirlineFlightNo
Southwest AirlinesWN1456
12:44
AirlineFlightNo
United AirlinesUA1374
13:55
AirlineFlightNo
United AirlinesUA1263
14:10
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
Jet Linx AviationJL6364
14:54
AirlineFlightNo
VolarisY42648
FrontierF93406
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2172
KLMKL6971
Delta Air LinesDL1675
15:50
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
16:07
AirlineFlightNo
Air Transport International8C3360
18:52
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
19:35
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:17
AirlineFlightNo
Air Tahiti NuiTN2481
Alaska AirlinesAS787
Hawaiian AirlinesHA6603
Qatar AirwaysQR3357
StarluxJX7036
20:35
AirlineFlightNo
Southwest AirlinesWN1567
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
Southwest AirlinesWN734
05:02
AirlineFlightNo
United AirlinesUA1479
07:33
AirlineFlightNo
Delta Air LinesDL2740
08:50
AirlineFlightNo
Southwest AirlinesWN1567
08:57
AirlineFlightNo
United AirlinesUA1505
11:08
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:30
AirlineFlightNo
United AirlinesUA1374
13:10
AirlineFlightNo
Southwest AirlinesWN1456
13:35
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
Air FranceAF2446
KLMKL6971
Delta Air LinesDL2759
13:55
AirlineFlightNo
United AirlinesUA1263
14:10
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
Jet Linx AviationJL6364
14:54
AirlineFlightNo
VolarisY42648
FrontierF93406
15:50
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
16:07
AirlineFlightNo
Air Transport International8C3360
17:15
AirlineFlightNo
Southwest AirlinesWN4090
18:52
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
19:35
AirlineFlightNo
Korean AirKE3495
WestJetWS6419
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:17
AirlineFlightNo
Alaska AirlinesAS787
23:59
AirlineFlightNo
Air Tahiti NuiTN2481
Hawaiian AirlinesHA6603
Qatar AirwaysQR3357
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Sunday
05:00
AirlineFlightNo
Southwest AirlinesWN734
05:02
AirlineFlightNo
United AirlinesUA1479
07:30
AirlineFlightNo
Delta Air LinesDL2740
08:57
AirlineFlightNo
United AirlinesUA1505
11:08
AirlineFlightNo
Alaska AirlinesAS535
12:10
AirlineFlightNo
Southwest AirlinesWN1456
12:37
AirlineFlightNo
United AirlinesUA1374
13:35
AirlineFlightNo
Delta Air LinesDL2759
13:55
AirlineFlightNo
United AirlinesUA1263
14:10
AirlineFlightNo
Alaska AirlinesAS602
14:54
AirlineFlightNo
VolarisY42648
FrontierF93406
15:50
AirlineFlightNo
United AirlinesUA757
17:14
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
KLMKL6971
17:52
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
Jet Linx AviationJL6364
18:52
AirlineFlightNo
Alaska AirlinesAS642
19:35
AirlineFlightNo
Delta Air LinesDL2851
20:17
AirlineFlightNo
Alaska AirlinesAS787
20:35
AirlineFlightNo
Southwest AirlinesWN1567
22:32
AirlineFlightNo
Air Tahiti NuiTN2483
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
23:23
AirlineFlightNo
Korean AirKE3495
Air FranceAF2654
Virgin AtlanticVS2102
23:59
AirlineFlightNo
Air Tahiti NuiTN2481
Hawaiian AirlinesHA6603
Qatar AirwaysQR3357
StarluxJX7036
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
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 £18.52 ($25 €21.23)
£18.52
$25 | €21.23
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 £42.98 ($58 €49.26)
£42.98
$58 | €49.26
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, Copa Airlines, Delta Air Lines, 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.

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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