Flights from Seattle Airport SEA to Denver Airport DEN

We've found the cheapest flights to Denver

Returns from £66.19

One-way from £29.75

Flights are available to Seattle-Tacoma International from Denver International with a choice of 20 airliners, Finnair, SAS, Air Transport International, All Nippon Airways, Starlux, Volaris, Virgin Atlantic, KLM, Jet Linx Aviation, Air France, Frontier, WestJet, Qatar Airways, Condor, Korean Air, Southwest Airlines, Icelandair, Delta Air Lines, Alaska Airlines and United Airlines. The distance covered when flying from Seattle-Tacoma International to Denver International United States is 1,645 Km (1,022 Miles) with the travel time being around 2 Hours 45 Minutes. SEA is the Airport code for Seattle-Tacoma International and DEN is for Denver International United States.

The cost of your trip (flights) can change at weekends and at certain times of the day (if there is a choice of flights to your chosen destination. It is normally worth booking flights well in advance if possible to get the best deal to Denver International United States perhaps midweek or late evening. Please book in advance if you want to take advantage of the best prices airlines have to offer as prices normally increase as time goes on.

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 Airlines656664005:0720:05VIEW FLIGHTS
Alaska Airlines555555007:3020:07VIEW FLIGHTS
Delta Air Lines333333007:5519:59VIEW FLIGHTS
Icelandair333332010:0423:59VIEW FLIGHTS
Southwest Airlines322332005:3013:55VIEW FLIGHTS
Korean Air222222013:4023:52VIEW FLIGHTS
WestJet222212013:4023:52VIEW FLIGHTS
Qatar Airways232301007:3023:59VIEW FLIGHTS
Condor222221021:5123:59VIEW FLIGHTS
Frontier211222015:1919:50VIEW FLIGHTS
Volaris111111019:5019:50VIEW FLIGHTS
Virgin Atlantic111111019:5923:52VIEW FLIGHTS
KLM111111013:4013:40VIEW FLIGHTS
Jet Linx Aviation111111013:1313:13VIEW FLIGHTS
Air France111111013:4023:52VIEW FLIGHTS
Starlux111110023:5923:59VIEW FLIGHTS
All Nippon Airways101110019:5423:49VIEW FLIGHTS
SAS010011023:5223:52VIEW FLIGHTS
Air Transport International001011015:4016:20VIEW FLIGHTS
Finnair010010023:5923:59VIEW 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 05:07 and the latest flights operated at 20:05 and the most common flight numbers are UA1218, UA1505, UA1715 and UA1915

For more details regarding United Airlines flight information and bookings you can visit them at united.com

Please see below the times of flights. These times and frequency may vary at different times of the year please visit the website for more information.

Flights Time In WeekDays
DayFlight TimesFlights
Monday
05:07
AirlineFlightNo
United AirlinesUA1915
05:30
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:00
AirlineFlightNo
Southwest AirlinesWN4194
08:56
AirlineFlightNo
United AirlinesUA1505
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
11:02
AirlineFlightNo
United AirlinesUA1715
13:13
AirlineFlightNo
Alaska AirlinesAS786
IcelandairFI7701
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2759
13:55
AirlineFlightNo
Southwest AirlinesWN4195
14:36
AirlineFlightNo
United AirlinesUA655
15:19
AirlineFlightNo
FrontierF93406
15:40
AirlineFlightNo
United AirlinesUA757
17:59
AirlineFlightNo
Alaska AirlinesAS602
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:54
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:59
AirlineFlightNo
Delta Air LinesDL2851
20:07
AirlineFlightNo
Alaska AirlinesAS642
21:51
AirlineFlightNo
Qatar AirwaysQR2183
CondorDE5207
23:52
AirlineFlightNo
Korean AirKE3495
WestJetWS7695
Virgin AtlanticVS2102
23:59
AirlineFlightNo
IcelandairFI7699
Qatar AirwaysQR2188
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Tuesday
05:07
AirlineFlightNo
United AirlinesUA1915
06:30
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
Qatar AirwaysQR2037
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:56
AirlineFlightNo
United AirlinesUA1505
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
Qatar AirwaysQR2138
11:02
AirlineFlightNo
United AirlinesUA1715
13:13
AirlineFlightNo
Alaska AirlinesAS786
IcelandairFI7701
Qatar AirwaysQR2136
Jet Linx AviationJL6364
13:25
AirlineFlightNo
Southwest AirlinesWN376
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2759
14:36
AirlineFlightNo
United AirlinesUA655
15:40
AirlineFlightNo
United AirlinesUA757
17:59
AirlineFlightNo
Alaska AirlinesAS602
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:59
AirlineFlightNo
Delta Air LinesDL2851
20:07
AirlineFlightNo
Alaska AirlinesAS642
21:51
AirlineFlightNo
CondorDE5207
23:52
AirlineFlightNo
Korean AirKE3495
SASSK3658
WestJetWS7695
Virgin AtlanticVS2102
23:59
AirlineFlightNo
FinnairAY2595
IcelandairFI7699
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Wednesday
05:07
AirlineFlightNo
United AirlinesUA1915
06:30
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:58
AirlineFlightNo
United AirlinesUA1505
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
11:02
AirlineFlightNo
United AirlinesUA1715
13:13
AirlineFlightNo
Alaska AirlinesAS786
IcelandairFI7701
Jet Linx AviationJL6364
13:25
AirlineFlightNo
Southwest AirlinesWN376
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
KLMKL7354
Delta Air LinesDL2759
14:36
AirlineFlightNo
United AirlinesUA655
15:40
AirlineFlightNo
United AirlinesUA757
16:20
AirlineFlightNo
Air Transport International8C3397
17:59
AirlineFlightNo
Alaska AirlinesAS602
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:54
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:59
AirlineFlightNo
Delta Air LinesDL2851
20:07
AirlineFlightNo
Alaska AirlinesAS642
21:51
AirlineFlightNo
Qatar AirwaysQR2183
CondorDE5207
23:52
AirlineFlightNo
Korean AirKE3495
WestJetWS7695
Air FranceAF2346
Virgin AtlanticVS2102
23:59
AirlineFlightNo
IcelandairFI7699
Qatar AirwaysQR2188
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Thursday
05:07
AirlineFlightNo
United AirlinesUA1915
05:30
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
Qatar AirwaysQR2037
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:00
AirlineFlightNo
Southwest AirlinesWN4194
08:56
AirlineFlightNo
United AirlinesUA1505
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
Qatar AirwaysQR2042
11:02
AirlineFlightNo
United AirlinesUA1715
13:13
AirlineFlightNo
Alaska AirlinesAS786
IcelandairFI7701
Qatar AirwaysQR2136
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2759
13:55
AirlineFlightNo
Southwest AirlinesWN4195
14:36
AirlineFlightNo
United AirlinesUA655
15:19
AirlineFlightNo
FrontierF93406
15:40
AirlineFlightNo
United AirlinesUA757
17:59
AirlineFlightNo
Alaska AirlinesAS602
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:54
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:59
AirlineFlightNo
Korean AirKE3495
WestJetWS7695
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:07
AirlineFlightNo
Alaska AirlinesAS642
21:51
AirlineFlightNo
CondorDE5207
23:59
AirlineFlightNo
IcelandairFI7699
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Friday
05:07
AirlineFlightNo
United AirlinesUA1915
05:30
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:00
AirlineFlightNo
Southwest AirlinesWN4194
08:56
AirlineFlightNo
United AirlinesUA1505
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
11:02
AirlineFlightNo
United AirlinesUA1715
13:13
AirlineFlightNo
Alaska AirlinesAS786
IcelandairFI7701
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2759
13:55
AirlineFlightNo
Southwest AirlinesWN4195
14:36
AirlineFlightNo
United AirlinesUA655
15:19
AirlineFlightNo
FrontierF93406
15:40
AirlineFlightNo
United AirlinesUA757
Air Transport International8C3397
17:59
AirlineFlightNo
Alaska AirlinesAS602
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:59
AirlineFlightNo
Delta Air LinesDL2851
20:05
AirlineFlightNo
United AirlinesUA1218
20:07
AirlineFlightNo
Alaska AirlinesAS642
21:51
AirlineFlightNo
CondorDE5207
23:49
AirlineFlightNo
All Nippon AirwaysNH7376
23:52
AirlineFlightNo
Korean AirKE3495
SASSK3658
WestJetWS7695
Virgin AtlanticVS2102
23:59
AirlineFlightNo
FinnairAY2595
IcelandairFI7699
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Saturday
05:07
AirlineFlightNo
United AirlinesUA1915
05:45
AirlineFlightNo
Southwest AirlinesWN1310
07:30
AirlineFlightNo
Alaska AirlinesAS682
07:55
AirlineFlightNo
Delta Air LinesDL1358
08:56
AirlineFlightNo
United AirlinesUA1505
09:00
AirlineFlightNo
Southwest AirlinesWN4194
10:04
AirlineFlightNo
Alaska AirlinesAS1332
IcelandairFI7695
10:40
AirlineFlightNo
FrontierF99455
11:02
AirlineFlightNo
United AirlinesUA1715
13:13
AirlineFlightNo
Alaska AirlinesAS786
IcelandairFI7701
Jet Linx AviationJL6364
13:40
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2759
15:40
AirlineFlightNo
United AirlinesUA757
15:50
AirlineFlightNo
Air Transport International8C3397
17:59
AirlineFlightNo
Alaska AirlinesAS602
19:50
AirlineFlightNo
VolarisY42083
FrontierF91176
19:59
AirlineFlightNo
Delta Air LinesDL2851
20:07
AirlineFlightNo
Alaska AirlinesAS642
21:51
AirlineFlightNo
Qatar AirwaysQR2183
CondorDE5207
23:52
AirlineFlightNo
Korean AirKE3495
SASSK3658
WestJetWS7695
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
Everett to Denver01,665 km (1,034 miles)2 Hours 46 Minutes
Richmond Vancouver to Denver01,789 km (1,112 miles)2 Hours 55 Minutes

Remember to have some local currency before travelling to Denver International as there may not be a bureau de change open upon your arrival.

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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 £29.75 ($40 €34.39)
£29.75
$40 | €34.39
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 £66.19 ($89 €76.52)
£66.19
$89 | €76.52
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 Transport International, Alaska Airlines, All Nippon Airways, Condor, Delta Air Lines, Finnair, Frontier, Icelandair, Jet Linx Aviation, KLM, Korean Air, Qatar Airways, SAS, 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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