Flights from Seattle Airport SEA to Denver Airport DEN

We've found the cheapest flights to Denver

Returns from £54.39

One-way from £21.15

Flights are available to Seattle-Tacoma International from Denver International with a choice of 21 airliners, KLM, Volaris, Condor, WestJet, Frontier, Copa Airlines, Air Transport International, Starlux, All Nippon Airways, Virgin Atlantic, Jet Linx Aviation, Air France, Delta Air Lines, Icelandair, Qatar Airways, Delta Connection, Korean Air, Southwest Airlines, Hawaiian Airlines, 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 Airlines004565505:0022:49VIEW FLIGHTS
Alaska Airlines003444408:3023:59VIEW FLIGHTS
Hawaiian Airlines003443208:3023:59VIEW FLIGHTS
Southwest Airlines003333305:3018:15VIEW FLIGHTS
Korean Air003333215:1623:32VIEW FLIGHTS
Delta Connection002222208:3017:30VIEW FLIGHTS
Qatar Airways001222115:1623:59VIEW FLIGHTS
Icelandair000222108:3023:59VIEW FLIGHTS
Delta Air Lines001112119:4523:32VIEW FLIGHTS
Virgin Atlantic001111123:2923:32VIEW FLIGHTS
Jet Linx Aviation001111117:2017:20VIEW FLIGHTS
Air France001111117:2823:32VIEW FLIGHTS
Starlux000111120:1423:59VIEW FLIGHTS
All Nippon Airways001110122:4922:50VIEW FLIGHTS
WestJet000011117:2817:30VIEW FLIGHTS
Frontier000110112:2416:15VIEW FLIGHTS
Copa Airlines001110015:3015:30VIEW FLIGHTS
Air Transport International001110015:4016:10VIEW FLIGHTS
Volaris000110012:2412:24VIEW FLIGHTS
Condor000101020:1420:14VIEW FLIGHTS
KLM0000010VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 25 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

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
Wednesday
08:30
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
09:00
AirlineFlightNo
Southwest AirlinesWN4660
09:40
AirlineFlightNo
Southwest AirlinesWN714
12:55
AirlineFlightNo
United AirlinesUA757
13:25
AirlineFlightNo
Southwest AirlinesWN1217
13:35
AirlineFlightNo
Delta ConnectionDL4026
13:36
AirlineFlightNo
Alaska AirlinesAS786
15:30
AirlineFlightNo
United AirlinesUA2860
Copa AirlinesCM1286
15:40
AirlineFlightNo
Air Transport International8C3352
17:20
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:28
AirlineFlightNo
Korean AirKE3013
17:40
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS612
Hawaiian AirlinesHA6652
Qatar AirwaysQR2180
19:10
AirlineFlightNo
United AirlinesUA1218
19:45
AirlineFlightNo
Delta Air LinesDL2851
22:49
AirlineFlightNo
All Nippon AirwaysNH7376
23:29
AirlineFlightNo
Korean AirKE3495
Air FranceAF2346
Virgin AtlanticVS2102
VIEW FLIGHTS
Thursday
05:00
AirlineFlightNo
United AirlinesUA2601
05:30
AirlineFlightNo
Southwest AirlinesWN714
08:30
AirlineFlightNo
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
09:05
AirlineFlightNo
Southwest AirlinesWN4660
12:24
AirlineFlightNo
VolarisY42931
FrontierF93406
12:55
AirlineFlightNo
United AirlinesUA757
13:35
AirlineFlightNo
Delta ConnectionDL4026
13:36
AirlineFlightNo
Alaska AirlinesAS786
14:35
AirlineFlightNo
Southwest AirlinesWN1217
15:16
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
15:30
AirlineFlightNo
United AirlinesUA2860
Copa AirlinesCM1286
15:40
AirlineFlightNo
Air Transport International8C3352
17:20
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:28
AirlineFlightNo
Korean AirKE3013
Air FranceAF2172
19:10
AirlineFlightNo
United AirlinesUA1218
19:45
AirlineFlightNo
Delta Air LinesDL2851
20:14
AirlineFlightNo
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
22:49
AirlineFlightNo
All Nippon AirwaysNH7376
23:29
AirlineFlightNo
Korean AirKE3495
Virgin AtlanticVS2102
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
United AirlinesUA2601
05:30
AirlineFlightNo
Southwest AirlinesWN714
08:00
AirlineFlightNo
United AirlinesUA3919
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
13:35
AirlineFlightNo
Delta ConnectionDL4026
13:36
AirlineFlightNo
Alaska AirlinesAS786
14:35
AirlineFlightNo
Southwest AirlinesWN1217
15:16
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
15:30
AirlineFlightNo
United AirlinesUA2860
Copa AirlinesCM1286
16:10
AirlineFlightNo
Air Transport International8C3352
17:20
AirlineFlightNo
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:28
AirlineFlightNo
Korean AirKE3013
WestJetWS7643
19:10
AirlineFlightNo
United AirlinesUA1218
19:45
AirlineFlightNo
Delta Air LinesDL2851
20:14
AirlineFlightNo
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
22:50
AirlineFlightNo
All Nippon AirwaysNH7376
23:29
AirlineFlightNo
Korean AirKE3495
Air FranceAF6811
Virgin AtlanticVS2102
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
United AirlinesUA2601
06:00
AirlineFlightNo
Southwest AirlinesWN714
07:00
AirlineFlightNo
United AirlinesUA3906
08:30
AirlineFlightNo
Alaska AirlinesAS682
Alaska AirlinesAS9842
Hawaiian AirlinesHA6653
IcelandairFI7695
Delta ConnectionDL3675
08:59
AirlineFlightNo
United AirlinesUA1505
11:10
AirlineFlightNo
Southwest AirlinesWN4660
12:55
AirlineFlightNo
United AirlinesUA757
13:35
AirlineFlightNo
Delta Air LinesDL4026
14:45
AirlineFlightNo
Southwest AirlinesWN1217
15:16
AirlineFlightNo
Korean AirKE6121
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
Jet Linx AviationJL6364
15:40
AirlineFlightNo
United AirlinesUA2860
17:28
AirlineFlightNo
Korean AirKE3013
WestJetWS7643
Air FranceAF2172
Delta ConnectionDL4026
19:45
AirlineFlightNo
Delta Air LinesDL2851
20:14
AirlineFlightNo
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
23:29
AirlineFlightNo
Korean AirKE3495
KLMKL6939
Virgin AtlanticVS2102
VIEW FLIGHTS
Sunday
05:00
AirlineFlightNo
United AirlinesUA2601
09:40
AirlineFlightNo
Southwest AirlinesWN714
12:14
AirlineFlightNo
Alaska AirlinesAS682
12:26
AirlineFlightNo
Delta ConnectionDL3675
12:44
AirlineFlightNo
United AirlinesUA1505
14:10
AirlineFlightNo
Southwest AirlinesWN4660
16:15
AirlineFlightNo
FrontierF93406
16:42
AirlineFlightNo
United AirlinesUA757
17:20
AirlineFlightNo
Alaska AirlinesAS786
Hawaiian AirlinesHA6501
Jet Linx AviationJL6364
17:30
AirlineFlightNo
Korean AirKE3013
WestJetWS6432
Delta ConnectionDL4026
18:15
AirlineFlightNo
Southwest AirlinesWN1841
18:56
AirlineFlightNo
Alaska AirlinesAS602
19:15
AirlineFlightNo
United AirlinesUA2860
22:49
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
23:32
AirlineFlightNo
Korean AirKE3495
Air FranceAF6811
Delta Air LinesDL2851
Virgin AtlanticVS2102
23:59
AirlineFlightNo
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

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 £21.15 ($28 €24.42)
£21.15
$28 | €24.42
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 £54.39 ($72 €62.79)
£54.39
$72 | €62.79
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.

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