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

We've found the cheapest flights to Denver

Returns from £41.35

One-way from £22.21

All Nippon Airways, Condor, Starlux, Qatar Airways, Copa Airlines, WestJet, Virgin Atlantic, Japan Airlines, Air Transport International, Air France, KLM, Volaris, Frontier, Icelandair, Korean Air, Hawaiian 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 Airlines546544505:0020:13VIEW FLIGHTS
Southwest Airlines455433305:0016:59VIEW FLIGHTS
Alaska Airlines434433408:3721:15VIEW FLIGHTS
Hawaiian Airlines434433008:3720:15VIEW FLIGHTS
Delta Air Lines333333307:3520:30VIEW FLIGHTS
Air Tahiti Nui434433008:3720:15VIEW FLIGHTS
Korean Air333333014:0619:30VIEW FLIGHTS
Icelandair222212008:3720:15VIEW FLIGHTS
Frontier221111100:3520:43VIEW FLIGHTS
Volaris221111000:3520:43VIEW FLIGHTS
KLM111112015:1515:20VIEW FLIGHTS
WestJet111111015:1515:20VIEW FLIGHTS
Virgin Atlantic111111019:3019:30VIEW FLIGHTS
Japan Airlines111111014:0614:06VIEW FLIGHTS
Air Transport International111111016:0516:05VIEW FLIGHTS
Air France111111015:1519:30VIEW FLIGHTS
Starlux111101020:1520:15VIEW FLIGHTS
Qatar Airways111101020:1520:15VIEW FLIGHTS
Copa Airlines101111015:4819:30VIEW FLIGHTS
Condor110101020:1520:15VIEW FLIGHTS
All Nippon Airways101100019:1319:13VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 33 flights a week. The earliest flights are operated at 05:00 and the latest flights operated at 20:13 and the most common flight numbers are UA1218, UA1263, UA1505 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
Southwest AirlinesWN3895
05:05
AirlineFlightNo
United AirlinesUA2269
07:35
AirlineFlightNo
Delta Air LinesDL2740
08:20
AirlineFlightNo
Southwest AirlinesWN4027
08:36
AirlineFlightNo
United AirlinesUA1505
08:37
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
10:54
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
11:45
AirlineFlightNo
Southwest AirlinesWN3268
12:30
AirlineFlightNo
United AirlinesUA1263
14:06
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Japan AirlinesJL6364
14:31
AirlineFlightNo
VolarisY42608
FrontierF93406
15:20
AirlineFlightNo
Korean AirKE3013
WestJetWS5489
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
15:50
AirlineFlightNo
Southwest AirlinesWN2156
16:05
AirlineFlightNo
Air Transport International8C3347
19:13
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:30
AirlineFlightNo
Korean AirKE3495
Air FranceAF2530
Delta Air LinesDL1750
Copa AirlinesCM1286
Virgin AtlanticVS2102
20:15
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
20:43
AirlineFlightNo
VolarisY42087
FrontierF91176
VIEW FLIGHTS
Tuesday
00:35
AirlineFlightNo
VolarisY42087
FrontierF91176
05:05
AirlineFlightNo
United AirlinesUA2269
05:50
AirlineFlightNo
Southwest AirlinesWN1530
07:35
AirlineFlightNo
Delta Air LinesDL2740
08:35
AirlineFlightNo
Southwest AirlinesWN3268
08:36
AirlineFlightNo
United AirlinesUA1505
08:37
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7701
11:00
AirlineFlightNo
Southwest AirlinesWN733
12:30
AirlineFlightNo
United AirlinesUA1263
12:35
AirlineFlightNo
Southwest AirlinesWN1681
12:58
AirlineFlightNo
VolarisY42608
FrontierF93406
14:06
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Japan AirlinesJL6364
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
Air FranceAF2446
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
16:05
AirlineFlightNo
Air Transport International8C3347
16:59
AirlineFlightNo
Southwest AirlinesWN2130
19:30
AirlineFlightNo
Korean AirKE3495
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:15
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS
Wednesday
05:00
AirlineFlightNo
United AirlinesUA2269
05:50
AirlineFlightNo
Southwest AirlinesWN1530
07:35
AirlineFlightNo
Delta Air LinesDL2740
08:35
AirlineFlightNo
Southwest AirlinesWN3268
08:36
AirlineFlightNo
United AirlinesUA1505
08:37
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
10:54
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
11:00
AirlineFlightNo
Southwest AirlinesWN733
12:00
AirlineFlightNo
United AirlinesUA3915
12:30
AirlineFlightNo
United AirlinesUA1263
12:35
AirlineFlightNo
Southwest AirlinesWN1681
13:58
AirlineFlightNo
VolarisY42608
FrontierF93406
14:06
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Japan AirlinesJL6364
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3347
16:59
AirlineFlightNo
Southwest AirlinesWN2130
19:13
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:30
AirlineFlightNo
Korean AirKE3495
Air FranceAF2530
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:15
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
VIEW FLIGHTS
Thursday
05:00
AirlineFlightNo
Southwest AirlinesWN3895
05:05
AirlineFlightNo
United AirlinesUA2269
07:35
AirlineFlightNo
Delta Air LinesDL2740
08:20
AirlineFlightNo
Southwest AirlinesWN4027
08:36
AirlineFlightNo
United AirlinesUA1505
08:37
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
10:54
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
11:45
AirlineFlightNo
Southwest AirlinesWN3268
12:30
AirlineFlightNo
United AirlinesUA1263
13:18
AirlineFlightNo
VolarisY42608
FrontierF93406
14:06
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Japan AirlinesJL6364
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
Air FranceAF2446
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
15:50
AirlineFlightNo
Southwest AirlinesWN2156
16:05
AirlineFlightNo
Air Transport International8C3347
19:13
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:30
AirlineFlightNo
Korean AirKE3495
Delta Air LinesDL1750
Copa AirlinesCM1286
Virgin AtlanticVS2102
20:15
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS
Friday
05:05
AirlineFlightNo
United AirlinesUA2269
06:05
AirlineFlightNo
Southwest AirlinesWN3895
07:35
AirlineFlightNo
Delta Air LinesDL2740
08:36
AirlineFlightNo
United AirlinesUA1505
08:37
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
10:30
AirlineFlightNo
Southwest AirlinesWN1100
10:54
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
12:30
AirlineFlightNo
United AirlinesUA1263
12:35
AirlineFlightNo
Southwest AirlinesWN1681
14:06
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Japan AirlinesJL6364
14:22
AirlineFlightNo
VolarisY42597
FrontierF93406
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3347
19:30
AirlineFlightNo
Korean AirKE3495
Air FranceAF2530
Delta Air LinesDL1750
Virgin AtlanticVS2102
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
Southwest AirlinesWN3895
05:05
AirlineFlightNo
United AirlinesUA2269
07:35
AirlineFlightNo
Delta Air LinesDL2740
08:36
AirlineFlightNo
United AirlinesUA1505
08:37
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
IcelandairFI7701
12:00
AirlineFlightNo
United AirlinesUA1263
12:35
AirlineFlightNo
Southwest AirlinesWN1681
12:58
AirlineFlightNo
VolarisY42597
FrontierF93406
14:06
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Japan AirlinesJL6364
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS8051
Air FranceAF2172
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3347
16:30
AirlineFlightNo
Southwest AirlinesWN733
19:30
AirlineFlightNo
Korean AirKE3495
KLMKL7775
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:13
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
VIEW FLIGHTS
Sunday
06:05
AirlineFlightNo
United AirlinesUA2269
06:35
AirlineFlightNo
Southwest AirlinesWN290
08:35
AirlineFlightNo
Delta Air LinesDL2740
09:35
AirlineFlightNo
Southwest AirlinesWN1692
09:36
AirlineFlightNo
United AirlinesUA1505
09:37
AirlineFlightNo
Alaska AirlinesAS682
11:54
AirlineFlightNo
Alaska AirlinesAS535
13:00
AirlineFlightNo
United AirlinesUA1263
15:06
AirlineFlightNo
Alaska AirlinesAS602
15:22
AirlineFlightNo
FrontierF93406
16:15
AirlineFlightNo
Delta Air LinesDL1675
16:48
AirlineFlightNo
United AirlinesUA757
16:59
AirlineFlightNo
Southwest AirlinesWN1567
20:13
AirlineFlightNo
United AirlinesUA1218
20:30
AirlineFlightNo
Delta Air LinesDL1750
21:15
AirlineFlightNo
Alaska AirlinesAS642
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 £22.21 ($29 €25.24)
£22.21
$29 | €25.24
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 £41.35 ($54 €46)
£41.35
$54 | €46
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, Japan Airlines, 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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