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

We've found the cheapest flights to Denver

Returns from £53.68

One-way from £20.88

KLM, Volaris, Condor, WestJet, Frontier, All Nippon Airways, Copa Airlines, Starlux, Air Transport International, Virgin Atlantic, Jet Linx Aviation, Delta Air Lines, Air France, Qatar Airways, Icelandair, Delta Connection, Southwest Airlines, Korean Air, Hawaiian 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 Airlines445554505:0022:49VIEW FLIGHTS
Hawaiian Airlines433443307:0523:56VIEW FLIGHTS
Alaska Airlines433443307:0523:56VIEW FLIGHTS
Southwest Airlines333333305:3018:15VIEW FLIGHTS
Korean Air333333311:3423:56VIEW FLIGHTS
Delta Connection222222208:3017:30VIEW FLIGHTS
Icelandair211222108:3023:56VIEW FLIGHTS
Qatar Airways211111115:1623:56VIEW FLIGHTS
Virgin Atlantic111111123:3223:32VIEW FLIGHTS
Jet Linx Aviation111111117:0717:20VIEW FLIGHTS
Delta Air Lines111111119:4623:32VIEW FLIGHTS
Air France111111117:3023:32VIEW FLIGHTS
Starlux101111120:1123:56VIEW FLIGHTS
Air Transport International111111015:1019:49VIEW FLIGHTS
Copa Airlines111110015:3015:30VIEW FLIGHTS
WestJet100011117:3017:30VIEW FLIGHTS
Frontier100110112:2416:15VIEW FLIGHTS
All Nippon Airways001110122:4922:50VIEW FLIGHTS
Volaris100110012:2416:15VIEW FLIGHTS
Condor100101020:1120:14VIEW FLIGHTS
KLM0000010VIEW 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 22:49 and the most common flight numbers are UA1218, UA1505, UA2601 and UA2860

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 AirlinesUA2601
05:30
AirlineFlightNo
Southwest AirlinesWN714
08:30
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
IcelandairFI7695
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
09:05
AirlineFlightNo
Southwest AirlinesWN4660
12:24
AirlineFlightNo
VolarisY42599
FrontierF93406
12:55
AirlineFlightNo
United AirlinesUA757
13:36
AirlineFlightNo
Alaska AirlinesAS786
Delta ConnectionDL4026
14:35
AirlineFlightNo
Southwest AirlinesWN1217
15:16
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
15:30
AirlineFlightNo
United AirlinesUA2860
Copa AirlinesCM1286
17:20
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:30
AirlineFlightNo
Korean AirKE3013
WestJetWS6432
19:46
AirlineFlightNo
Delta Air LinesDL2851
19:49
AirlineFlightNo
Air Transport International8C3352
20:14
AirlineFlightNo
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
23:32
AirlineFlightNo
Korean AirKE3495
Air FranceAF2346
Virgin AtlanticVS2102
VIEW FLIGHTS
Tuesday
05:00
AirlineFlightNo
United AirlinesUA2601
06:00
AirlineFlightNo
Southwest AirlinesWN714
08:30
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
09:00
AirlineFlightNo
Southwest AirlinesWN4660
12:55
AirlineFlightNo
United AirlinesUA757
13:25
AirlineFlightNo
Southwest AirlinesWN1217
13:36
AirlineFlightNo
Alaska AirlinesAS786
Delta ConnectionDL4026
15:30
AirlineFlightNo
United AirlinesUA2860
Copa AirlinesCM1286
16:10
AirlineFlightNo
Air Transport International8C3352
17:20
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:30
AirlineFlightNo
Korean AirKE3013
Air FranceAF2172
17:40
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS612
Hawaiian AirlinesHA6652
Qatar AirwaysQR2180
19:46
AirlineFlightNo
Delta Air LinesDL2851
23:32
AirlineFlightNo
Korean AirKE3495
Virgin AtlanticVS2102
VIEW FLIGHTS
Wednesday
05:00
AirlineFlightNo
United AirlinesUA2601
06:00
AirlineFlightNo
Southwest AirlinesWN714
07:05
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:30
AirlineFlightNo
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
09:00
AirlineFlightNo
Southwest AirlinesWN4660
12:55
AirlineFlightNo
United AirlinesUA757
13:25
AirlineFlightNo
Southwest AirlinesWN1217
13:26
AirlineFlightNo
Alaska AirlinesAS1413
13:36
AirlineFlightNo
Delta ConnectionDL4026
15:30
AirlineFlightNo
United AirlinesUA2860
Copa AirlinesCM1286
15:40
AirlineFlightNo
Air Transport International8C3352
17:07
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:30
AirlineFlightNo
Korean AirKE3013
19:10
AirlineFlightNo
United AirlinesUA1218
19:46
AirlineFlightNo
Delta Air LinesDL2851
20:11
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
22:49
AirlineFlightNo
All Nippon AirwaysNH7376
23:32
AirlineFlightNo
Korean AirKE3495
Air FranceAF2346
Virgin AtlanticVS2102
VIEW FLIGHTS
Thursday
05:00
AirlineFlightNo
United AirlinesUA2601
05:30
AirlineFlightNo
Southwest AirlinesWN714
07:05
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:30
AirlineFlightNo
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
09:05
AirlineFlightNo
Southwest AirlinesWN4660
11:34
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS535
Hawaiian AirlinesHA6714
IcelandairFI7695
12:24
AirlineFlightNo
VolarisY42599
FrontierF93406
12:55
AirlineFlightNo
United AirlinesUA757
13:26
AirlineFlightNo
Alaska AirlinesAS1413
13:36
AirlineFlightNo
Delta ConnectionDL4026
14:35
AirlineFlightNo
Southwest AirlinesWN1217
15:30
AirlineFlightNo
United AirlinesUA2860
Copa AirlinesCM1286
15:40
AirlineFlightNo
Air Transport International8C3352
17:07
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:30
AirlineFlightNo
Korean AirKE3013
Air FranceAF2172
19:10
AirlineFlightNo
United AirlinesUA1218
19:46
AirlineFlightNo
Delta Air LinesDL2851
20:11
AirlineFlightNo
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
22:49
AirlineFlightNo
All Nippon AirwaysNH7376
23:32
AirlineFlightNo
Korean AirKE3495
Virgin AtlanticVS2102
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
United AirlinesUA2601
05:30
AirlineFlightNo
Southwest AirlinesWN714
07:05
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:30
AirlineFlightNo
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
09:05
AirlineFlightNo
Southwest AirlinesWN4660
11:34
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS535
Hawaiian AirlinesHA6714
IcelandairFI7695
12:24
AirlineFlightNo
FrontierF93406
12:55
AirlineFlightNo
United AirlinesUA757
13:26
AirlineFlightNo
Alaska AirlinesAS1413
13:36
AirlineFlightNo
Delta ConnectionDL4026
14:35
AirlineFlightNo
Southwest AirlinesWN1217
15:10
AirlineFlightNo
Air Transport International8C3352
15:30
AirlineFlightNo
United AirlinesUA2860
Copa AirlinesCM1286
16:15
AirlineFlightNo
VolarisY42599
17:07
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:30
AirlineFlightNo
Korean AirKE3013
WestJetWS6428
19:10
AirlineFlightNo
United AirlinesUA1218
19:46
AirlineFlightNo
Delta Air LinesDL2851
20:11
AirlineFlightNo
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
22:50
AirlineFlightNo
All Nippon AirwaysNH7376
23:32
AirlineFlightNo
Korean AirKE3495
Air FranceAF2346
Virgin AtlanticVS2102
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
United AirlinesUA2601
06:00
AirlineFlightNo
Southwest AirlinesWN714
07:05
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
IcelandairFI7701
08:30
AirlineFlightNo
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
11:10
AirlineFlightNo
Southwest AirlinesWN4660
12:55
AirlineFlightNo
United AirlinesUA757
13:26
AirlineFlightNo
Alaska AirlinesAS1413
13:36
AirlineFlightNo
Delta ConnectionDL4026
14:45
AirlineFlightNo
Southwest AirlinesWN1217
15:40
AirlineFlightNo
United AirlinesUA2860
Air Transport International8C3352
17:07
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:30
AirlineFlightNo
Korean AirKE3013
WestJetWS7643
Air FranceAF2172
19:46
AirlineFlightNo
Delta Air LinesDL2851
20:11
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
23:32
AirlineFlightNo
Korean AirKE3495
KLMKL6939
Virgin AtlanticVS2102
VIEW FLIGHTS
Sunday
05:00
AirlineFlightNo
United AirlinesUA2601
09:40
AirlineFlightNo
Southwest AirlinesWN714
10:51
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
12:26
AirlineFlightNo
Delta ConnectionDL3675
12:44
AirlineFlightNo
United AirlinesUA1505
14:10
AirlineFlightNo
Southwest AirlinesWN4660
16:15
AirlineFlightNo
FrontierF93406
16:42
AirlineFlightNo
United AirlinesUA757
17:07
AirlineFlightNo
Alaska AirlinesAS1413
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:30
AirlineFlightNo
Korean AirKE3013
WestJetWS6428
Delta ConnectionDL4026
18:15
AirlineFlightNo
Southwest AirlinesWN1841
19:15
AirlineFlightNo
United AirlinesUA2860
22:49
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
23:32
AirlineFlightNo
Korean AirKE3495
Air FranceAF2346
Delta Air LinesDL2851
Virgin AtlanticVS2102
23:56
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
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

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 £20.88 ($28 €24.13)
£20.88
$28 | €24.13
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 £53.68 ($72 €62.05)
£53.68
$72 | €62.05
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, Copa Airlines, Delta Air Lines, Delta Connection, 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

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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

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