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

We've found the cheapest flights to Denver

Returns from £59.69

One-way from £36.56

Jet Linx Aviation, China Airlines, Swiss, Singapore Airlines, LATAM Airlines, Copa Airlines, All Nippon Airways, Air France, Aeromexico, Japan Airlines, Air Transport International, SAS, Volaris, Virgin Atlantic, WestJet, Qatar Airways, Icelandair, Frontier, Condor, KLM, Korean Air, Delta Air Lines, Hawaiian Airlines, Air Tahiti Nui, Southwest Airlines, 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 Airlines756665505:0219:00VIEW FLIGHTS
Alaska Airlines555553508:1318:00VIEW FLIGHTS
Southwest Airlines644554400:2017:05VIEW FLIGHTS
Hawaiian Airlines555553108:1318:00VIEW FLIGHTS
Air Tahiti Nui555553108:1318:00VIEW FLIGHTS
Delta Air Lines333333307:1018:00VIEW FLIGHTS
Korean Air233332007:1016:40VIEW FLIGHTS
KLM233321107:1018:00VIEW FLIGHTS
WestJet122222107:1018:00VIEW FLIGHTS
Qatar Airways222221116:4018:00VIEW FLIGHTS
Icelandair222222010:1513:35VIEW FLIGHTS
Frontier211222206:1716:40VIEW FLIGHTS
Condor222221116:4018:00VIEW FLIGHTS
Volaris211222106:1716:40VIEW FLIGHTS
Virgin Atlantic122221107:1018:00VIEW FLIGHTS
SAS202022115:2518:00VIEW FLIGHTS
Japan Airlines111111013:3513:35VIEW FLIGHTS
Air Transport International111111016:0016:35VIEW FLIGHTS
Singapore Airlines010111013:3513:35VIEW FLIGHTS
LATAM Airlines011110007:1007:10VIEW FLIGHTS
Copa Airlines101110015:3615:36VIEW FLIGHTS
All Nippon Airways101110019:0022:40VIEW FLIGHTS
Air France011110015:2515:25VIEW FLIGHTS
Aeromexico011110007:1007:10VIEW FLIGHTS
Swiss101010012:4312:43VIEW FLIGHTS
Jet Linx Aviation000011017:2117:21VIEW FLIGHTS
China Airlines001010007:1007:10VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 40 flights a week. The earliest flights are operated at 05:02 and the latest flights operated at 19:00 and the most common flight numbers are UA1049, UA1218, UA1417 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
00:20
AirlineFlightNo
Southwest AirlinesWN2668
05:00
AirlineFlightNo
Southwest AirlinesWN933
05:02
AirlineFlightNo
United AirlinesUA2269
06:17
AirlineFlightNo
FrontierF93406
VolarisY42182
07:10
AirlineFlightNo
Delta Air LinesDL2740
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:15
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
11:11
AirlineFlightNo
United AirlinesUA1049
12:20
AirlineFlightNo
Southwest AirlinesWN4623
12:43
AirlineFlightNo
SwissLX3129
United AirlinesUA1417
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:15
AirlineFlightNo
United AirlinesUA3918
14:40
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Delta Air LinesDL1675
KLMKL5988
Korean AirKE3013
SASSK3262
WestJetWS6910
15:36
AirlineFlightNo
Copa AirlinesCM1286
United AirlinesUA757
16:20
AirlineFlightNo
Southwest AirlinesWN2519
16:35
AirlineFlightNo
Air Transport International8C3347
16:40
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
CondorDE5207
FrontierF91176
Hawaiian AirlinesHA6650
Korean AirKE6121
Qatar AirwaysQR3441
VolarisY42053
18:00
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
CondorDE5270
Delta Air LinesDL1750
Hawaiian AirlinesHA6654
KLMKL7528
Qatar AirwaysQR2181
SASSK3658
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
22:40
AirlineFlightNo
All Nippon AirwaysNH7376
VIEW FLIGHTS
Tuesday
05:02
AirlineFlightNo
United AirlinesUA2269
05:15
AirlineFlightNo
Southwest AirlinesWN2502
06:41
AirlineFlightNo
FrontierF93406
VolarisY42182
07:10
AirlineFlightNo
AeromexicoAM3864
Delta Air LinesDL2740
KLMKL7271
Korean AirKE7424
LATAM AirlinesLA6633
Virgin AtlanticVS1612
WestJetWS7718
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:15
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7699
11:10
AirlineFlightNo
United AirlinesUA1049
12:10
AirlineFlightNo
Southwest AirlinesWN933
12:43
AirlineFlightNo
United AirlinesUA1417
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7701
Japan AirlinesJL6364
Singapore AirlinesSQ1218
14:05
AirlineFlightNo
Southwest AirlinesWN222
15:25
AirlineFlightNo
Air FranceAF2446
Delta Air LinesDL1675
KLMKL5988
Korean AirKE3013
WestJetWS6910
15:36
AirlineFlightNo
United AirlinesUA757
16:35
AirlineFlightNo
Air Transport International8C3347
16:40
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
CondorDE5207
Hawaiian AirlinesHA6650
Korean AirKE6121
Qatar AirwaysQR3441
18:00
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
CondorDE5270
Delta Air LinesDL1750
Hawaiian AirlinesHA6654
KLMKL7528
Qatar AirwaysQR2181
Virgin AtlanticVS2102
VIEW FLIGHTS
Wednesday
05:02
AirlineFlightNo
United AirlinesUA2269
05:15
AirlineFlightNo
Southwest AirlinesWN2502
06:41
AirlineFlightNo
FrontierF93406
VolarisY42182
07:10
AirlineFlightNo
AeromexicoAM3864
China AirlinesCI9136
Delta Air LinesDL2740
KLMKL7271
Korean AirKE7424
LATAM AirlinesLA6633
Virgin AtlanticVS1612
WestJetWS7718
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:15
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
11:11
AirlineFlightNo
United AirlinesUA1049
12:10
AirlineFlightNo
Southwest AirlinesWN933
12:43
AirlineFlightNo
SwissLX3129
United AirlinesUA1417
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:05
AirlineFlightNo
Southwest AirlinesWN222
15:25
AirlineFlightNo
Air FranceAF2446
Delta Air LinesDL1675
KLMKL5988
Korean AirKE3013
SASSK3262
WestJetWS8062
15:36
AirlineFlightNo
Copa AirlinesCM1286
United AirlinesUA757
16:00
AirlineFlightNo
Air Transport International8C3347
16:40
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
CondorDE5207
Hawaiian AirlinesHA6650
Korean AirKE6121
Qatar AirwaysQR3441
18:00
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
CondorDE5270
Delta Air LinesDL1750
Hawaiian AirlinesHA6654
KLMKL7528
Qatar AirwaysQR2181
SASSK3658
Virgin AtlanticVS2102
19:00
AirlineFlightNo
All Nippon AirwaysNH7376
United AirlinesUA1218
VIEW FLIGHTS
Thursday
05:00
AirlineFlightNo
Southwest AirlinesWN933
05:02
AirlineFlightNo
United AirlinesUA2269
06:17
AirlineFlightNo
FrontierF93406
VolarisY42182
07:10
AirlineFlightNo
AeromexicoAM3864
Delta Air LinesDL2740
KLMKL7271
Korean AirKE7424
LATAM AirlinesLA6633
Virgin AtlanticVS1612
WestJetWS7718
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:25
AirlineFlightNo
Southwest AirlinesWN2488
09:01
AirlineFlightNo
United AirlinesUA1505
10:15
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
11:11
AirlineFlightNo
United AirlinesUA1049
12:20
AirlineFlightNo
Southwest AirlinesWN4623
12:43
AirlineFlightNo
United AirlinesUA1417
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
Singapore AirlinesSQ1218
14:40
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Air FranceAF2446
Delta Air LinesDL1675
KLMKL5988
Korean AirKE3013
WestJetWS6910
15:36
AirlineFlightNo
Copa AirlinesCM1286
United AirlinesUA757
16:05
AirlineFlightNo
Air Transport International8C3347
16:20
AirlineFlightNo
Southwest AirlinesWN2519
16:40
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
CondorDE5207
FrontierF91176
Hawaiian AirlinesHA6650
Korean AirKE6121
Qatar AirwaysQR3441
VolarisY42053
18:00
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
CondorDE5270
Delta Air LinesDL1750
Hawaiian AirlinesHA6654
KLMKL7528
Qatar AirwaysQR2181
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
22:40
AirlineFlightNo
All Nippon AirwaysNH7376
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
Southwest AirlinesWN933
05:02
AirlineFlightNo
United AirlinesUA2269
06:17
AirlineFlightNo
FrontierF93406
VolarisY42520
07:10
AirlineFlightNo
AeromexicoAM3864
China AirlinesCI9136
Delta Air LinesDL2740
KLMKL7271
Korean AirKE7424
LATAM AirlinesLA6633
Virgin AtlanticVS1612
WestJetWS7718
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:15
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
11:11
AirlineFlightNo
United AirlinesUA1049
12:20
AirlineFlightNo
Southwest AirlinesWN4623
12:43
AirlineFlightNo
SwissLX3129
United AirlinesUA1417
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
Singapore AirlinesSQ1218
14:40
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Air FranceAF2446
Delta Air LinesDL1675
Korean AirKE3013
SASSK3262
WestJetWS8062
15:36
AirlineFlightNo
Copa AirlinesCM1286
United AirlinesUA757
16:05
AirlineFlightNo
Air Transport International8C3347
16:20
AirlineFlightNo
Southwest AirlinesWN2519
16:40
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
CondorDE5207
FrontierF91176
Hawaiian AirlinesHA6650
Korean AirKE6121
Qatar AirwaysQR3441
VolarisY42063
17:21
AirlineFlightNo
Jet Linx AviationJL6364
18:00
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
CondorDE5270
Delta Air LinesDL1750
Hawaiian AirlinesHA6654
KLMKL7528
Qatar AirwaysQR2181
SASSK3658
Virgin AtlanticVS2102
19:00
AirlineFlightNo
All Nippon AirwaysNH7376
United AirlinesUA1218
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
Southwest AirlinesWN933
05:02
AirlineFlightNo
United AirlinesUA2269
06:25
AirlineFlightNo
FrontierF93406
VolarisY42520
07:10
AirlineFlightNo
Delta Air LinesDL2740
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
IcelandairFI7695
08:45
AirlineFlightNo
United AirlinesUA1505
09:15
AirlineFlightNo
Southwest AirlinesWN2502
11:10
AirlineFlightNo
United AirlinesUA1049
12:40
AirlineFlightNo
FrontierF91176
VolarisY42063
12:43
AirlineFlightNo
United AirlinesUA1417
12:45
AirlineFlightNo
Southwest AirlinesWN2668
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7701
Japan AirlinesJL6364
Korean AirKE6121
Singapore AirlinesSQ1218
15:05
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Delta Air LinesDL1675
Korean AirKE3013
SASSK3262
WestJetWS8062
15:36
AirlineFlightNo
United AirlinesUA757
16:05
AirlineFlightNo
Air Transport International8C3347
17:21
AirlineFlightNo
Jet Linx AviationJL6364
18:00
AirlineFlightNo
Delta Air LinesDL1750
KLMKL7528
SASSK3658
Virgin AtlanticVS2102
WestJetWS7517
18:12
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
CondorDE5270
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
VIEW FLIGHTS
Sunday
05:02
AirlineFlightNo
United AirlinesUA2269
05:45
AirlineFlightNo
Southwest AirlinesWN2502
06:17
AirlineFlightNo
FrontierF93406
07:10
AirlineFlightNo
Delta Air LinesDL2740
08:13
AirlineFlightNo
Alaska AirlinesAS682
08:45
AirlineFlightNo
United AirlinesUA1505
10:06
AirlineFlightNo
VolarisY42520
10:15
AirlineFlightNo
Alaska AirlinesAS535
11:00
AirlineFlightNo
Southwest AirlinesWN933
11:11
AirlineFlightNo
United AirlinesUA1049
12:43
AirlineFlightNo
United AirlinesUA1417
13:35
AirlineFlightNo
Alaska AirlinesAS620
15:00
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Delta Air LinesDL1675
15:36
AirlineFlightNo
United AirlinesUA757
16:40
AirlineFlightNo
Alaska AirlinesAS602
FrontierF91176
17:05
AirlineFlightNo
Southwest AirlinesWN552
18:00
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
CondorDE5270
Delta Air LinesDL1750
Hawaiian AirlinesHA6654
KLMKL7528
Qatar AirwaysQR2181
SASSK3658
Virgin AtlanticVS2102
WestJetWS7517
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
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 £36.56 ($49 €42.08)
£36.56
$49 | €42.08
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 £59.69 ($80 €68.70)
£59.69
$80 | €68.70
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, China Airlines, Condor, Copa Airlines, Delta Air Lines, Frontier, Hawaiian Airlines, Icelandair, Japan Airlines, Jet Linx Aviation, KLM, Korean Air, LATAM Airlines, Qatar Airways, SAS, Singapore Airlines, Southwest Airlines, Swiss, 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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