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

We've found the cheapest flights to Denver

Returns from £66.59

One-way from £29.93

A selection of 19 airliners offer flights to Denver International to Seattle-Tacoma International, Finnair, Air Transport International, SAS, All Nippon Airways, Volaris, Virgin Atlantic, Starlux, Condor, Air France, KLM, WestJet, Korean Air, Icelandair, Frontier, Qatar Airways, Delta Air Lines, Southwest Airlines, Alaska Airlines and United Airlines. The journey time flying from Seattle-Tacoma International to Denver International United States is around 2 Hours 45 Minutes. With the distance covered being 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 flights varies on the time and day you fly. Denver International United States flights may be normally booked months in advance and this may be the best option if you intend to get the best prices from Seattle-Tacoma International. 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 shows the amount of daily flights in operation from Seattle-Tacoma International (SEA) to Denver International (DEN).

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Airlines000665005:0720:05VIEW FLIGHTS
Alaska Airlines000555008:0422:45VIEW FLIGHTS
Southwest Airlines000443005:1519:20VIEW FLIGHTS
Qatar Airways000333008:0422:45VIEW FLIGHTS
Delta Air Lines000333008:3019:56VIEW FLIGHTS
WestJet000222013:5019:56VIEW FLIGHTS
Korean Air000222013:5019:56VIEW FLIGHTS
Icelandair000222011:4413:33VIEW FLIGHTS
Frontier000222015:3319:41VIEW FLIGHTS
KLM000112013:5013:50VIEW FLIGHTS
Volaris000111019:4119:41VIEW FLIGHTS
Virgin Atlantic000111019:5619:56VIEW FLIGHTS
Starlux000111022:4522:45VIEW FLIGHTS
Condor000111022:4522:45VIEW FLIGHTS
Air France000111013:5013:50VIEW FLIGHTS
SAS000011019:5619:56VIEW FLIGHTS
All Nippon Airways000110019:5423:49VIEW FLIGHTS
Finnair000010022:4522:45VIEW FLIGHTS
Air Transport International000010016:2016:20VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 17 flights a week. The earliest flights are operated at 05:07 and the latest flights operated at 20:05 and the most common flight numbers are UA1218, UA1505, UA1715 and UA1915

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
Thursday
07:50
AirlineFlightNo
Southwest AirlinesWN3397
08:04
AirlineFlightNo
Alaska AirlinesAS375
Qatar AirwaysQR2115
08:30
AirlineFlightNo
Delta Air LinesDL1358
08:50
AirlineFlightNo
United AirlinesUA1915
Southwest AirlinesWN3615
08:56
AirlineFlightNo
United AirlinesUA1505
11:02
AirlineFlightNo
United AirlinesUA1715
11:44
AirlineFlightNo
Alaska AirlinesAS535
IcelandairFI7695
Qatar AirwaysQR3393
13:33
AirlineFlightNo
Alaska AirlinesAS242
IcelandairFI7699
13:50
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2543
14:35
AirlineFlightNo
Southwest AirlinesWN3617
14:36
AirlineFlightNo
United AirlinesUA655
15:33
AirlineFlightNo
FrontierF93406
15:40
AirlineFlightNo
United AirlinesUA757
16:26
AirlineFlightNo
Alaska AirlinesAS602
19:20
AirlineFlightNo
Southwest AirlinesWN4845
19:41
AirlineFlightNo
VolarisY42083
FrontierF91176
19:54
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
19:56
AirlineFlightNo
Korean AirKE3495
WestJetWS7830
Delta Air LinesDL2851
Virgin AtlanticVS2102
22:45
AirlineFlightNo
Alaska AirlinesAS310
Qatar AirwaysQR2960
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Friday
05:07
AirlineFlightNo
United AirlinesUA1915
05:15
AirlineFlightNo
Southwest AirlinesWN3615
07:50
AirlineFlightNo
Southwest AirlinesWN3397
08:04
AirlineFlightNo
Alaska AirlinesAS375
Qatar AirwaysQR2194
08:30
AirlineFlightNo
Delta Air LinesDL1358
08:56
AirlineFlightNo
United AirlinesUA1505
11:02
AirlineFlightNo
United AirlinesUA1715
11:44
AirlineFlightNo
Alaska AirlinesAS535
IcelandairFI7695
Qatar AirwaysQR2031
13:33
AirlineFlightNo
Alaska AirlinesAS242
IcelandairFI7699
13:50
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2543
14:35
AirlineFlightNo
Southwest AirlinesWN3617
14:36
AirlineFlightNo
United AirlinesUA655
15:33
AirlineFlightNo
FrontierF93406
15:40
AirlineFlightNo
United AirlinesUA757
16:20
AirlineFlightNo
Air Transport International8C3397
16:26
AirlineFlightNo
Alaska AirlinesAS602
19:20
AirlineFlightNo
Southwest AirlinesWN4845
19:41
AirlineFlightNo
VolarisY42083
FrontierF91176
19:56
AirlineFlightNo
Korean AirKE3495
SASSK3658
WestJetWS7695
Delta Air LinesDL2851
Virgin AtlanticVS2102
20:05
AirlineFlightNo
United AirlinesUA1218
22:45
AirlineFlightNo
FinnairAY2595
Alaska AirlinesAS310
Qatar AirwaysQR2960
CondorDE5270
StarluxJX7036
23:49
AirlineFlightNo
All Nippon AirwaysNH7376
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
Southwest AirlinesWN3615
05:07
AirlineFlightNo
United AirlinesUA1915
08:04
AirlineFlightNo
Alaska AirlinesAS375
Qatar AirwaysQR2115
08:30
AirlineFlightNo
Delta Air LinesDL1358
08:56
AirlineFlightNo
United AirlinesUA1505
11:02
AirlineFlightNo
United AirlinesUA1715
11:44
AirlineFlightNo
Alaska AirlinesAS535
IcelandairFI7695
Qatar AirwaysQR8900
13:30
AirlineFlightNo
Southwest AirlinesWN3617
13:33
AirlineFlightNo
Alaska AirlinesAS242
IcelandairFI7699
13:50
AirlineFlightNo
Korean AirKE3013
WestJetWS8091
Air FranceAF6811
KLMKL7354
Delta Air LinesDL2543
15:33
AirlineFlightNo
FrontierF93406
15:40
AirlineFlightNo
United AirlinesUA757
16:29
AirlineFlightNo
Alaska AirlinesAS602
18:30
AirlineFlightNo
United AirlinesUA3931
19:00
AirlineFlightNo
Alaska AirlinesAS310
19:35
AirlineFlightNo
Southwest AirlinesWN4845
19:41
AirlineFlightNo
VolarisY42083
FrontierF91176
19:56
AirlineFlightNo
Korean AirKE3495
SASSK3658
WestJetWS7830
KLMKL7713
Delta Air LinesDL2851
Virgin AtlanticVS2102
22:45
AirlineFlightNo
Qatar AirwaysQR2960
CondorDE5270
StarluxJX7036
VIEW FLIGHTS

You may instead fly from Seattle-Tacoma International and arrive at Denver International by an alternative airport or airports. The summary of this is in the table below.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Richmond Vancouver to Denver 01,789 km (1,112 miles)2 Hours 55 Minutes

Please check before travelling to Denver International that a travel visa is not required.

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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 £29.93 ($40 €34.56)
£29.93
$40 | €34.56
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 £66.59 ($89 €76.89)
£66.59
$89 | €76.89
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, Delta Air Lines, Finnair, Frontier, Icelandair, KLM, Korean Air, Qatar Airways, SAS, 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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Useful Information about Denver Airport

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