Flights from Denver Airport DEN to Seattle Airport SEA

We've found the cheapest flights to Seattle

Returns from £65.90

One-way from £31.84

Flights are available to Denver International from Seattle-Tacoma International with a choice of 16 airliners, WestJet, Virgin Atlantic, Korean Air, Jet Linx Aviation, Icelandair, Copa Airlines, Condor, All Nippon Airways, Air Transport International, Starlux, Frontier, Delta Air Lines, Southwest Airlines, Qatar Airways, Alaska Airlines and United Airlines. The flight time from Denver International to Seattle-Tacoma International is around 2 Hours 45 Minutes and you will cover 1,645 Km (1,022 Miles). The airport code for Denver International is DEN and for Seattle-Tacoma International it is SEA.

The price of the flight is dependent on the time of the day you fly (if there is a choice) and the day of the week with weekends being normally a higher price. 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 Seattle-Tacoma 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 Seattle-Tacoma International is 8.0 GMT compared to 7.0 GMT at Denver International so bare this in mind is you need to make travel arrangements when you arrive at Seattle-Tacoma International.

The table below shows the amount of daily flights in operation from Denver International (DEN) to Seattle-Tacoma International (SEA).

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Airlines500000007:4021:06VIEW FLIGHTS
Alaska Airlines400000006:0019:02VIEW FLIGHTS
Southwest Airlines300000008:3021:35VIEW FLIGHTS
Qatar Airways300000006:0011:50VIEW FLIGHTS
Starlux200000011:5019:02VIEW FLIGHTS
Frontier200000007:1515:05VIEW FLIGHTS
Delta Air Lines200000006:5515:15VIEW FLIGHTS
WestJet100000006:5506:55VIEW FLIGHTS
Virgin Atlantic100000006:5506:55VIEW FLIGHTS
Korean Air100000006:5506:55VIEW FLIGHTS
Jet Linx Aviation100000008:0008:00VIEW FLIGHTS
Icelandair100000011:5011:50VIEW FLIGHTS
Copa Airlines100000020:5820:58VIEW FLIGHTS
Condor100000011:5011:50VIEW FLIGHTS
All Nippon Airways100000011:1511:15VIEW FLIGHTS
Air Transport International100000022:0022:00VIEW FLIGHTS

United Airlines offer the most direct flights from Denver International to Seattle-Tacoma International with an average of 5 flights a week. The earliest flights are operated at 07:40 and the latest flights operated at 21:06 and the most common flight numbers are UA1424, UA2013, UA2271 and UA2651

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
06:00
AirlineFlightNo
Alaska AirlinesAS647
Qatar AirwaysQR2028
06:55
AirlineFlightNo
Korean AirKE3014
WestJetWS6410
Delta Air LinesDL1731
Virgin AtlanticVS2069
07:15
AirlineFlightNo
FrontierF94545
07:40
AirlineFlightNo
United AirlinesUA2271
08:00
AirlineFlightNo
Alaska AirlinesAS643
Qatar AirwaysQR2036
Jet Linx AviationJL6365
08:30
AirlineFlightNo
Southwest AirlinesWN3398
11:15
AirlineFlightNo
United AirlinesUA1424
All Nippon AirwaysNH7375
11:50
AirlineFlightNo
Alaska AirlinesAS682
IcelandairFI7694
Qatar AirwaysQR2035
CondorDE5237
StarluxJX7037
15:05
AirlineFlightNo
FrontierF91175
15:15
AirlineFlightNo
Delta Air LinesDL2740
16:00
AirlineFlightNo
United AirlinesUA2013
17:05
AirlineFlightNo
Southwest AirlinesWN1801
19:02
AirlineFlightNo
Alaska AirlinesAS1332
StarluxJX7039
20:58
AirlineFlightNo
United AirlinesUA2651
Copa AirlinesCM1141
21:06
AirlineFlightNo
United AirlinesUA360
21:35
AirlineFlightNo
Southwest AirlinesWN2068
22:00
AirlineFlightNo
Air Transport International8C3375
VIEW FLIGHTS

Before departing Denver International please check that you are holding a valid passport.

Planning a Holiday or Business Trip?

Search for cheap rental cars at DEN

Flight Price FAQ - Denver (DEN) to Seattle (SEA)

DIRECT Frontier Airlines
What is the cheapest direct flight one way from Denver DEN to Seattle SEA?
The cheapest direct flight one way from Denver DEN to Seattle SEA is £31.84 ($43 €36.71)
£31.84
$43 | €36.71
Check Latest Price
DIRECT Frontier Airlines
What is the cheapest direct return flight from Denver DEN to Seattle SEA?
The cheapest direct return flight from Denver DEN to Seattle SEA is £65.90 ($89 €75.99)
£65.90
$89 | €75.99
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 DEN to SEA

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 - Denver (DEN) to Seattle (SEA)

Who flies from Denver to Seattle?
The following airlines fly from Denver (DEN) to Seattle (SEA): Air Transport International, Alaska Airlines, All Nippon Airways, Condor, Copa Airlines, Delta Air Lines, Frontier, Icelandair, Jet Linx Aviation, Korean Air, Qatar Airways, Southwest Airlines, Starlux, United Airlines, Virgin Atlantic, WestJet.
How far is the flight from Denver to Seattle?
The flight from Denver to Seattle is 1,645KM or 1,022 miles.
How long does the flight from Denver to Seattle to take?
The flight from Denver to Seattle takes 2 Hours 45 Minutes.

Alternative Airports in United States with Connections from Denver Airport

Looking for the best hire car deals?

Search for cheap rental cars in Denver

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...