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

We've found the cheapest flights to Denver

Returns from £44.32

One-way from £22.95

LATAM Airlines, China Airlines, Aeromexico, Starlux, Singapore Airlines, Condor, Copa Airlines, Japan Airlines, All Nippon Airways, Air Transport International, Air France, WestJet, Delta Connection, Qatar Airways, Volaris, KLM, Virgin Atlantic, Korean Air, Icelandair, Delta Air Lines, Frontier, Southwest Airlines, Hawaiian Airlines, Air Tahiti Nui, 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 Airlines545554505:0019:11VIEW FLIGHTS
Alaska Airlines433433406:0620:24VIEW FLIGHTS
Hawaiian Airlines433433206:0623:59VIEW FLIGHTS
Air Tahiti Nui433433206:0623:59VIEW FLIGHTS
Southwest Airlines333333305:0016:55VIEW FLIGHTS
Frontier222223208:1822:11VIEW FLIGHTS
Delta Air Lines222222208:5519:50VIEW FLIGHTS
Virgin Atlantic222222108:5523:31VIEW FLIGHTS
Korean Air322222008:5515:31VIEW FLIGHTS
Icelandair222122206:0623:59VIEW FLIGHTS
Volaris222222008:1822:11VIEW FLIGHTS
KLM222222008:5515:31VIEW FLIGHTS
Qatar Airways211221115:1823:59VIEW FLIGHTS
WestJet211111008:5515:31VIEW FLIGHTS
Delta Connection111111115:3115:31VIEW FLIGHTS
Japan Airlines111111012:1415:18VIEW FLIGHTS
All Nippon Airways111111015:2015:20VIEW FLIGHTS
Air Transport International111111005:3006:00VIEW FLIGHTS
Air France111111015:3119:50VIEW FLIGHTS
Copa Airlines110111015:2015:20VIEW FLIGHTS
Starlux001010118:3523:59VIEW FLIGHTS
Singapore Airlines010101011:0412:14VIEW FLIGHTS
Condor100101020:2420:24VIEW FLIGHTS
LATAM Airlines100000008:5508:55VIEW FLIGHTS
China Airlines100000008:5508:55VIEW FLIGHTS
Aeromexico100000008:5508:55VIEW 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 19:11 and the most common flight numbers are UA1476, UA1829, UA297 and UA431

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 AirlinesUA757
Southwest AirlinesWN743
05:30
AirlineFlightNo
Air Transport International8C3371
06:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:30
AirlineFlightNo
United AirlinesUA1829
08:55
AirlineFlightNo
Korean AirKE7424
AeromexicoAM3864
WestJetWS7718
KLMKL7271
China AirlinesCI9136
Delta Air LinesDL2740
LATAM AirlinesLA6633
Virgin AtlanticVS1612
09:15
AirlineFlightNo
VolarisY42232
FrontierF93406
09:50
AirlineFlightNo
Southwest AirlinesWN1479
11:04
AirlineFlightNo
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
12:30
AirlineFlightNo
United AirlinesUA431
15:18
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2442
Alaska AirlinesAS710
Hawaiian AirlinesHA6437
Japan AirlinesJL6364
Qatar AirwaysQR2052
15:20
AirlineFlightNo
United AirlinesUA1476
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:31
AirlineFlightNo
Korean AirKE3045
WestJetWS8343
KLMKL6266
Delta ConnectionDL4094
16:55
AirlineFlightNo
Southwest AirlinesWN249
19:11
AirlineFlightNo
United AirlinesUA297
19:50
AirlineFlightNo
Air FranceAF3698
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:24
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS427
Hawaiian AirlinesHA6562
IcelandairFI7699
Qatar AirwaysQR2129
CondorDE5207
20:56
AirlineFlightNo
VolarisY42047
FrontierF91176
VIEW FLIGHTS
Tuesday
05:00
AirlineFlightNo
United AirlinesUA757
06:00
AirlineFlightNo
Air Transport International8C3371
08:12
AirlineFlightNo
Air Tahiti NuiTN2544
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:25
AirlineFlightNo
Southwest AirlinesWN743
08:30
AirlineFlightNo
United AirlinesUA1829
08:55
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
09:19
AirlineFlightNo
VolarisY42232
FrontierF93406
10:40
AirlineFlightNo
Southwest AirlinesWN805
12:14
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2348
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
Japan AirlinesJL6364
12:30
AirlineFlightNo
United AirlinesUA431
13:10
AirlineFlightNo
Southwest AirlinesWN2613
15:20
AirlineFlightNo
United AirlinesUA1476
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:31
AirlineFlightNo
Korean AirKE3045
WestJetWS7778
Air FranceAF2172
KLMKL6266
Delta ConnectionDL4094
18:35
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS737
Hawaiian AirlinesHA4939
IcelandairFI7701
Qatar AirwaysQR2129
19:50
AirlineFlightNo
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:19
AirlineFlightNo
VolarisY42047
FrontierF91176
VIEW FLIGHTS
Wednesday
05:00
AirlineFlightNo
United AirlinesUA757
05:30
AirlineFlightNo
Air Transport International8C3371
08:12
AirlineFlightNo
Air Tahiti NuiTN2544
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:18
AirlineFlightNo
VolarisY42232
FrontierF93406
08:25
AirlineFlightNo
Southwest AirlinesWN743
08:30
AirlineFlightNo
United AirlinesUA1829
08:55
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
10:40
AirlineFlightNo
Southwest AirlinesWN805
12:14
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2348
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
Japan AirlinesJL6364
12:30
AirlineFlightNo
United AirlinesUA431
13:10
AirlineFlightNo
Southwest AirlinesWN2613
15:20
AirlineFlightNo
United AirlinesUA1476
All Nippon AirwaysNH7376
15:31
AirlineFlightNo
Korean AirKE3045
WestJetWS8536
Air FranceAF2172
KLMKL6266
Delta ConnectionDL4094
18:35
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS737
Hawaiian AirlinesHA4939
IcelandairFI7701
Qatar AirwaysQR2129
StarluxJX7040
19:11
AirlineFlightNo
United AirlinesUA297
19:50
AirlineFlightNo
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:28
AirlineFlightNo
VolarisY42047
FrontierF91176
VIEW FLIGHTS
Thursday
05:00
AirlineFlightNo
United AirlinesUA757
Southwest AirlinesWN743
06:00
AirlineFlightNo
Air Transport International8C3371
06:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:30
AirlineFlightNo
United AirlinesUA1829
08:55
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
09:19
AirlineFlightNo
VolarisY42232
FrontierF93406
09:50
AirlineFlightNo
Southwest AirlinesWN1479
11:04
AirlineFlightNo
Air Tahiti NuiTN2348
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
12:30
AirlineFlightNo
United AirlinesUA431
15:18
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2442
Alaska AirlinesAS710
Hawaiian AirlinesHA6437
Japan AirlinesJL6364
Qatar AirwaysQR2052
15:20
AirlineFlightNo
United AirlinesUA1476
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:31
AirlineFlightNo
Korean AirKE3045
WestJetWS8536
Air FranceAF2172
KLMKL6266
Delta ConnectionDL4094
16:55
AirlineFlightNo
Southwest AirlinesWN249
19:11
AirlineFlightNo
United AirlinesUA297
19:50
AirlineFlightNo
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:24
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS427
Hawaiian AirlinesHA6562
IcelandairFI7699
Qatar AirwaysQR2129
CondorDE5207
22:11
AirlineFlightNo
VolarisY42047
FrontierF91176
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
United AirlinesUA757
Southwest AirlinesWN743
05:30
AirlineFlightNo
Air Transport International8C3371
06:06
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
08:30
AirlineFlightNo
United AirlinesUA1829
08:55
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
09:10
AirlineFlightNo
VolarisY42232
FrontierF93406
09:50
AirlineFlightNo
Southwest AirlinesWN1479
12:30
AirlineFlightNo
United AirlinesUA431
15:18
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2442
Alaska AirlinesAS710
Hawaiian AirlinesHA6437
Japan AirlinesJL6364
Qatar AirwaysQR2052
15:20
AirlineFlightNo
United AirlinesUA1476
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:31
AirlineFlightNo
Korean AirKE3045
WestJetWS8343
Air FranceAF2229
KLMKL6266
Delta ConnectionDL4094
16:55
AirlineFlightNo
Southwest AirlinesWN249
19:11
AirlineFlightNo
United AirlinesUA297
19:50
AirlineFlightNo
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:24
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS427
Hawaiian AirlinesHA6562
IcelandairFI7699
Qatar AirwaysQR2129
StarluxJX7040
21:09
AirlineFlightNo
VolarisY42047
FrontierF91176
VIEW FLIGHTS
Saturday
00:53
AirlineFlightNo
VolarisY42047
FrontierF91176
05:00
AirlineFlightNo
United AirlinesUA757
05:10
AirlineFlightNo
Southwest AirlinesWN1297
05:30
AirlineFlightNo
Air Transport International8C3371
08:30
AirlineFlightNo
United AirlinesUA1829
08:55
AirlineFlightNo
KLMKL8039
Delta Air LinesDL2740
Virgin AtlanticVS3617
09:02
AirlineFlightNo
Air Tahiti NuiTN2544
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
IcelandairFI7695
09:19
AirlineFlightNo
VolarisY42232
FrontierF93406
12:09
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2348
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
Japan AirlinesJL6364
12:30
AirlineFlightNo
United AirlinesUA431
Southwest AirlinesWN3455
15:20
AirlineFlightNo
United AirlinesUA1476
All Nippon AirwaysNH7376
Copa AirlinesCM1286
15:31
AirlineFlightNo
Korean AirKE3045
WestJetWS8536
Air FranceAF2229
KLMKL6266
Delta ConnectionDL4094
15:50
AirlineFlightNo
Southwest AirlinesWN2613
18:35
AirlineFlightNo
Air Tahiti NuiTN2379
Alaska AirlinesAS737
Hawaiian AirlinesHA4939
IcelandairFI7701
Qatar AirwaysQR2129
CondorDE5207
19:08
AirlineFlightNo
FrontierF94648
19:50
AirlineFlightNo
Delta Air LinesDL2851
Virgin AtlanticVS2102
VIEW FLIGHTS
Sunday
05:00
AirlineFlightNo
United AirlinesUA757
Southwest AirlinesWN743
06:06
AirlineFlightNo
Alaska AirlinesAS682
08:30
AirlineFlightNo
United AirlinesUA1829
08:55
AirlineFlightNo
Delta Air LinesDL2740
09:06
AirlineFlightNo
FrontierF93406
09:47
AirlineFlightNo
Air Tahiti NuiTN2349
Hawaiian AirlinesHA6555
IcelandairFI7695
09:50
AirlineFlightNo
Southwest AirlinesWN1479
11:04
AirlineFlightNo
Alaska AirlinesAS620
12:30
AirlineFlightNo
United AirlinesUA431
15:18
AirlineFlightNo
Alaska AirlinesAS710
15:20
AirlineFlightNo
United AirlinesUA1476
15:31
AirlineFlightNo
Delta ConnectionDL4094
16:55
AirlineFlightNo
Southwest AirlinesWN249
19:11
AirlineFlightNo
United AirlinesUA297
19:50
AirlineFlightNo
Delta Air LinesDL2851
20:24
AirlineFlightNo
Alaska AirlinesAS427
21:53
AirlineFlightNo
FrontierF91176
23:31
AirlineFlightNo
Virgin AtlanticVS2102
23:59
AirlineFlightNo
Air Tahiti NuiTN2379
Hawaiian AirlinesHA6562
IcelandairFI7699
Qatar AirwaysQR2129
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
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.

Looking for the best car hire deals?

Find the best vehicle rental in Denver

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 £22.95 ($29 €27.46)
£22.95
$29 | €27.46
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 £44.32 ($56 €53.02)
£44.32
$56 | €53.02
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): Aeromexico, Air France, Air Tahiti Nui, Air Transport International, Alaska Airlines, All Nippon Airways, China Airlines, Condor, Copa Airlines, Delta Air Lines, Delta Connection, Frontier, Hawaiian Airlines, Icelandair, Japan Airlines, KLM, Korean Air, LATAM Airlines, Qatar Airways, Singapore Airlines, 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

Don't forget to book a rental car!

Find the best vehicle rental in Denver, United States

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%.

View...
Lounges at Denver Airport

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

View...
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

View...
Duty Free Shopping at Denver Airport

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

View...