Flights from Seattle Airport SEA to Denver Airport DEN

We've found the cheapest flights to Denver

Returns from £40.75

One-way from £21.88

Flights are available to Seattle-Tacoma International from Denver International with a choice of 21 airliners, Condor, WestJet, KLM, Air Transport International, Air France, Japan Airlines, Copa Airlines, All Nippon Airways, Volaris, Virgin Atlantic, Frontier, Icelandair, Starlux, Korean Air, Qatar Airways, Delta Air Lines, Southwest Airlines, Hawaiian Airlines, Air Tahiti Nui, 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 Airlines455246605:0522:00VIEW FLIGHTS
Alaska Airlines555254408:0620:17VIEW FLIGHTS
Air Tahiti Nui555254208:0623:59VIEW FLIGHTS
Hawaiian Airlines555254108:0623:59VIEW FLIGHTS
Southwest Airlines333344300:0520:35VIEW FLIGHTS
Delta Air Lines333223307:3119:40VIEW FLIGHTS
Qatar Airways333133214:4223:59VIEW FLIGHTS
Korean Air222222011:0519:35VIEW FLIGHTS
Starlux222022118:5923:59VIEW FLIGHTS
Icelandair222021008:0618:59VIEW FLIGHTS
Volaris111111112:4616:38VIEW FLIGHTS
Virgin Atlantic111111118:0023:27VIEW FLIGHTS
Frontier111111112:4613:01VIEW FLIGHTS
Japan Airlines111111014:4214:42VIEW FLIGHTS
Copa Airlines111111008:3615:48VIEW FLIGHTS
All Nippon Airways111111008:3615:48VIEW FLIGHTS
WestJet111101015:1518:00VIEW FLIGHTS
KLM111101015:1518:00VIEW FLIGHTS
Air Transport International111011016:0516:37VIEW FLIGHTS
Air France111011015:1519:35VIEW FLIGHTS
Condor200002018:5920:17VIEW 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 05:05 and the latest flights operated at 22:00 and the most common flight numbers are UA1218, UA1263, UA1505 and UA2269

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
05:05
AirlineFlightNo
United AirlinesUA2269
05:35
AirlineFlightNo
Southwest AirlinesWN290
07:31
AirlineFlightNo
Delta Air LinesDL2740
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
IcelandairFI7695
08:35
AirlineFlightNo
Southwest AirlinesWN1692
08:36
AirlineFlightNo
United AirlinesUA1505
11:05
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:30
AirlineFlightNo
United AirlinesUA1263
13:01
AirlineFlightNo
VolarisY42596
FrontierF93406
14:42
AirlineFlightNo
Air Tahiti NuiTN2331
Alaska AirlinesAS786
Hawaiian AirlinesHA6303
Japan AirlinesJL6364
Qatar AirwaysQR3356
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2229
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:59
AirlineFlightNo
Southwest AirlinesWN1567
16:10
AirlineFlightNo
Air Transport International8C3360
18:59
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
19:40
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:17
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Tuesday
05:00
AirlineFlightNo
Southwest AirlinesWN734
05:05
AirlineFlightNo
United AirlinesUA2269
07:31
AirlineFlightNo
Delta Air LinesDL2740
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:36
AirlineFlightNo
United AirlinesUA1505
11:05
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:10
AirlineFlightNo
Southwest AirlinesWN1456
12:30
AirlineFlightNo
United AirlinesUA1263
12:46
AirlineFlightNo
VolarisY42596
FrontierF93406
14:42
AirlineFlightNo
Air Tahiti NuiTN2331
Alaska AirlinesAS786
Hawaiian AirlinesHA6303
Japan AirlinesJL6364
Qatar AirwaysQR3356
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2446
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3360
18:59
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
19:13
AirlineFlightNo
United AirlinesUA1218
19:40
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:17
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
StarluxJX7036
20:35
AirlineFlightNo
Southwest AirlinesWN1567
VIEW FLIGHTS
Wednesday
05:00
AirlineFlightNo
Southwest AirlinesWN734
05:05
AirlineFlightNo
United AirlinesUA2269
07:31
AirlineFlightNo
Delta Air LinesDL2740
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:36
AirlineFlightNo
United AirlinesUA1505
11:05
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:10
AirlineFlightNo
Southwest AirlinesWN1456
12:30
AirlineFlightNo
United AirlinesUA1263
12:51
AirlineFlightNo
VolarisY42596
FrontierF93406
14:42
AirlineFlightNo
Air Tahiti NuiTN2331
Alaska AirlinesAS786
Hawaiian AirlinesHA6303
Japan AirlinesJL6364
Qatar AirwaysQR3356
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2446
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
16:37
AirlineFlightNo
Air Transport International8C3360
18:59
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
19:13
AirlineFlightNo
United AirlinesUA1218
19:40
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:17
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
StarluxJX7036
20:35
AirlineFlightNo
Southwest AirlinesWN1567
VIEW FLIGHTS
Thursday
00:05
AirlineFlightNo
Southwest AirlinesWN1567
05:05
AirlineFlightNo
United AirlinesUA2269
06:55
AirlineFlightNo
Southwest AirlinesWN2604
07:31
AirlineFlightNo
Delta Air LinesDL2740
08:36
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
09:50
AirlineFlightNo
Southwest AirlinesWN1965
11:05
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
13:01
AirlineFlightNo
VolarisY42596
FrontierF93406
14:42
AirlineFlightNo
Air Tahiti NuiTN2331
Alaska AirlinesAS786
Hawaiian AirlinesHA6303
Japan AirlinesJL6364
Qatar AirwaysQR3356
18:00
AirlineFlightNo
Korean AirKE3495
WestJetWS5470
KLMKL7775
Delta Air LinesDL1750
Virgin AtlanticVS2102
VIEW FLIGHTS
Friday
05:05
AirlineFlightNo
United AirlinesUA2269
05:35
AirlineFlightNo
Southwest AirlinesWN290
07:31
AirlineFlightNo
Delta Air LinesDL2740
08:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
IcelandairFI7695
08:35
AirlineFlightNo
Southwest AirlinesWN1692
11:05
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
11:22
AirlineFlightNo
Southwest AirlinesWN8507
12:30
AirlineFlightNo
United AirlinesUA1263
13:01
AirlineFlightNo
VolarisY42603
FrontierF93406
14:42
AirlineFlightNo
Air Tahiti NuiTN2331
Alaska AirlinesAS786
Hawaiian AirlinesHA6303
Japan AirlinesJL6364
Qatar AirwaysQR3356
15:48
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:59
AirlineFlightNo
Southwest AirlinesWN1567
16:37
AirlineFlightNo
Air Transport International8C3360
18:59
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
StarluxJX7040
19:13
AirlineFlightNo
United AirlinesUA1218
19:35
AirlineFlightNo
Korean AirKE3495
Air FranceAF2101
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:17
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
StarluxJX7036
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
Southwest AirlinesWN734
05:05
AirlineFlightNo
United AirlinesUA2269
07:31
AirlineFlightNo
Delta Air LinesDL2740
08:36
AirlineFlightNo
United AirlinesUA1505
08:50
AirlineFlightNo
Southwest AirlinesWN1567
11:05
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
12:30
AirlineFlightNo
United AirlinesUA1263
13:01
AirlineFlightNo
VolarisY42603
FrontierF93406
13:10
AirlineFlightNo
Southwest AirlinesWN1456
14:42
AirlineFlightNo
Air Tahiti NuiTN2331
Alaska AirlinesAS786
Hawaiian AirlinesHA6303
Japan AirlinesJL6364
Qatar AirwaysQR3356
15:15
AirlineFlightNo
Korean AirKE3013
WestJetWS5540
Air FranceAF2172
KLMKL6971
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
All Nippon AirwaysNH7376
Copa AirlinesCM1286
16:07
AirlineFlightNo
Air Transport International8C3360
17:15
AirlineFlightNo
Southwest AirlinesWN4090
18:59
AirlineFlightNo
Air Tahiti NuiTN2483
Alaska AirlinesAS642
Hawaiian AirlinesHA6652
IcelandairFI7699
Qatar AirwaysQR2180
CondorDE5207
StarluxJX7040
19:13
AirlineFlightNo
United AirlinesUA1218
19:40
AirlineFlightNo
Delta Air LinesDL1750
Virgin AtlanticVS2102
20:17
AirlineFlightNo
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
StarluxJX7036
22:00
AirlineFlightNo
United AirlinesUA326
23:59
AirlineFlightNo
CondorDE5270
VIEW FLIGHTS
Sunday
05:00
AirlineFlightNo
Southwest AirlinesWN290
05:05
AirlineFlightNo
United AirlinesUA2269
07:31
AirlineFlightNo
Delta Air LinesDL2740
08:36
AirlineFlightNo
United AirlinesUA1505
11:10
AirlineFlightNo
Alaska AirlinesAS535
12:30
AirlineFlightNo
United AirlinesUA1263
12:46
AirlineFlightNo
FrontierF93406
13:15
AirlineFlightNo
Southwest AirlinesWN4571
14:42
AirlineFlightNo
Alaska AirlinesAS786
15:15
AirlineFlightNo
Delta Air LinesDL1675
15:48
AirlineFlightNo
United AirlinesUA757
16:38
AirlineFlightNo
VolarisY42603
18:35
AirlineFlightNo
Southwest AirlinesWN3405
18:59
AirlineFlightNo
Alaska AirlinesAS642
19:13
AirlineFlightNo
United AirlinesUA1218
19:40
AirlineFlightNo
Delta Air LinesDL1750
20:17
AirlineFlightNo
Alaska AirlinesAS602
22:00
AirlineFlightNo
United AirlinesUA326
22:40
AirlineFlightNo
Air Tahiti NuiTN2483
Qatar AirwaysQR2180
23:27
AirlineFlightNo
Virgin AtlanticVS2102
23:59
AirlineFlightNo
Air Tahiti NuiTN2477
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
StarluxJX7036
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.

Planning a Holiday or Business Trip?

Find the cheapest vehicle hire deals in Seattle

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 £21.88 ($29 €25.01)
£21.88
$29 | €25.01
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 £40.75 ($54 €46.57)
£40.75
$54 | €46.57
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

Was your flight delayed or cancelled?

Was your flight delayed or cancelled?

You may be eligible to receive up to 600 EUR compensation per person in your party.

Claim Now!

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.

Alternative Airports in United States with Connections from Seattle Airport

Looking for the best hire car deals?

Find the cheapest vehicle hire deals in Seattle, United States

Useful Information about Seattle Airport

Lounges at Seattle Airport

See all the airport lounges, locations and opening times available at Seattle Airport

View...
Eating and Drinking at Seattle Airport

See all bars and restaurants at Seattle Airport, including locations and if they are before or after check-in

View...
Duty Free Shopping at Seattle Airport

See all shops available at Seattle Airport - plan your duty free shopping in advance

View...
Seattle Tourist Attractions

From wine tasting to a coffee & chocolate walking tour, just some of the things to see in Seattle..

View...