Flights from Seattle Airport SEA to Denver Airport DEN

We've found the cheapest flights to Denver

Returns from £59.22

One-way from £36.27

Flights are available to Seattle-Tacoma International from Denver International with a choice of 27 airliners, China Airlines, Starlux, Swiss, LATAM Airlines, Copa Airlines, Air France, Aeromexico, Singapore Airlines, All Nippon Airways, Air Transport International, Volaris, Japan Airlines, Frontier, WestJet, Virgin Atlantic, SAS, Qatar Airways, Condor, Icelandair, Korean Air, KLM, Delta Air Lines, Hawaiian Airlines, Air Tahiti Nui, Southwest 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 Airlines656665605:0219:00VIEW FLIGHTS
Alaska Airlines555554508:1318:00VIEW FLIGHTS
Southwest Airlines544554505:0020:40VIEW FLIGHTS
Hawaiian Airlines555554208:1318:00VIEW FLIGHTS
Air Tahiti Nui555554208:1318:00VIEW FLIGHTS
Delta Air Lines333333307:1018:00VIEW FLIGHTS
KLM232332107:1018:00VIEW FLIGHTS
Korean Air232332007:1016:40VIEW FLIGHTS
Icelandair222222110:1217:21VIEW FLIGHTS
Qatar Airways222221116:4018:00VIEW FLIGHTS
Condor222221116:4018:00VIEW FLIGHTS
Virgin Atlantic121221107:1018:00VIEW FLIGHTS
SAS202122115:2518:00VIEW FLIGHTS
WestJet121221007:1015:25VIEW FLIGHTS
Frontier211111106:1216:40VIEW FLIGHTS
Volaris211111006:1216:40VIEW FLIGHTS
Japan Airlines111111113:3517:21VIEW FLIGHTS
Air Transport International111111016:0016:05VIEW FLIGHTS
Singapore Airlines010111113:3517:21VIEW FLIGHTS
All Nippon Airways101110119:0022:40VIEW FLIGHTS
Swiss101010012:4312:43VIEW FLIGHTS
LATAM Airlines010110007:1007:10VIEW FLIGHTS
Copa Airlines100110015:3615:36VIEW FLIGHTS
Air France010110015:2515:25VIEW FLIGHTS
Aeromexico010110007:1007:10VIEW FLIGHTS
Starlux000001118:0018:00VIEW FLIGHTS
China Airlines000010007:1007:10VIEW FLIGHTS

United Airlines offer the most direct flights from Seattle-Tacoma International to Denver International with an average of 40 flights a week. The earliest flights are operated at 05:02 and the latest flights operated at 19:00 and the most common flight numbers are UA1049, UA1218, UA1417 and UA1505

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
05:00
AirlineFlightNo
Southwest AirlinesWN933
05:02
AirlineFlightNo
United AirlinesUA2269
06:17
AirlineFlightNo
VolarisY42520
FrontierF93406
07:10
AirlineFlightNo
Delta Air LinesDL2740
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:12
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7701
11:11
AirlineFlightNo
United AirlinesUA1049
12:20
AirlineFlightNo
Southwest AirlinesWN4623
12:43
AirlineFlightNo
United AirlinesUA1417
SwissLX3129
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:40
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Korean AirKE3013
SASSK3262
WestJetWS6910
KLMKL5988
Delta Air LinesDL1675
15:36
AirlineFlightNo
United AirlinesUA757
Copa AirlinesCM1286
16:00
AirlineFlightNo
Air Transport International8C3347
16:20
AirlineFlightNo
Southwest AirlinesWN2519
16:40
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
CondorDE5207
VolarisY42063
FrontierF91176
18:00
AirlineFlightNo
SASSK3658
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
KLMKL7528
Delta Air LinesDL1750
Qatar AirwaysQR2181
CondorDE5270
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
22:40
AirlineFlightNo
All Nippon AirwaysNH7376
VIEW FLIGHTS
Tuesday
05:02
AirlineFlightNo
United AirlinesUA2269
05:15
AirlineFlightNo
Southwest AirlinesWN2502
06:41
AirlineFlightNo
VolarisY42520
FrontierF93406
07:10
AirlineFlightNo
Korean AirKE7424
AeromexicoAM3864
WestJetWS7718
KLMKL7271
Delta Air LinesDL2740
LATAM AirlinesLA6633
Virgin AtlanticVS1612
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:12
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7699
11:11
AirlineFlightNo
United AirlinesUA1049
12:10
AirlineFlightNo
Southwest AirlinesWN933
12:43
AirlineFlightNo
United AirlinesUA1417
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7701
Japan AirlinesJL6364
14:05
AirlineFlightNo
Southwest AirlinesWN222
15:25
AirlineFlightNo
Korean AirKE3013
WestJetWS8062
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
15:36
AirlineFlightNo
United AirlinesUA757
16:00
AirlineFlightNo
Air Transport International8C3347
16:40
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
CondorDE5207
18:00
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
KLMKL7528
Delta Air LinesDL1750
Qatar AirwaysQR2181
CondorDE5270
Virgin AtlanticVS2102
VIEW FLIGHTS
Wednesday
05:02
AirlineFlightNo
United AirlinesUA2269
05:15
AirlineFlightNo
Southwest AirlinesWN2502
06:41
AirlineFlightNo
VolarisY42520
FrontierF93406
07:10
AirlineFlightNo
Delta Air LinesDL2740
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:12
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:11
AirlineFlightNo
United AirlinesUA1049
12:10
AirlineFlightNo
Southwest AirlinesWN933
12:43
AirlineFlightNo
United AirlinesUA1417
SwissLX3129
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:05
AirlineFlightNo
Southwest AirlinesWN222
15:25
AirlineFlightNo
Korean AirKE3013
SASSK3262
WestJetWS8062
KLMKL5988
Delta Air LinesDL1675
15:36
AirlineFlightNo
United AirlinesUA757
16:00
AirlineFlightNo
Air Transport International8C3347
16:40
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
CondorDE5207
18:00
AirlineFlightNo
SASSK3658
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
KLMKL7528
Delta Air LinesDL1750
Qatar AirwaysQR2181
CondorDE5270
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
VIEW FLIGHTS
Thursday
05:00
AirlineFlightNo
Southwest AirlinesWN933
05:02
AirlineFlightNo
United AirlinesUA2269
06:12
AirlineFlightNo
VolarisY42520
FrontierF93406
07:10
AirlineFlightNo
Korean AirKE7424
AeromexicoAM3864
WestJetWS7718
KLMKL7271
Delta Air LinesDL2740
LATAM AirlinesLA6633
Virgin AtlanticVS1612
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6555
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:12
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:11
AirlineFlightNo
United AirlinesUA1049
12:20
AirlineFlightNo
Southwest AirlinesWN4623
12:43
AirlineFlightNo
United AirlinesUA1417
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:40
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Korean AirKE3013
WestJetWS6910
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
15:36
AirlineFlightNo
United AirlinesUA757
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3347
16:20
AirlineFlightNo
Southwest AirlinesWN2519
16:40
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
CondorDE5207
18:00
AirlineFlightNo
SASSK3658
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
KLMKL7528
Delta Air LinesDL1750
Qatar AirwaysQR2181
CondorDE5270
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
22:40
AirlineFlightNo
All Nippon AirwaysNH7376
VIEW FLIGHTS
Friday
05:00
AirlineFlightNo
Southwest AirlinesWN933
05:02
AirlineFlightNo
United AirlinesUA2269
06:12
AirlineFlightNo
VolarisY42530
FrontierF93406
07:10
AirlineFlightNo
Korean AirKE7424
AeromexicoAM3864
WestJetWS7718
KLMKL7271
China AirlinesCI9136
Delta Air LinesDL2740
LATAM AirlinesLA6633
Virgin AtlanticVS1612
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:25
AirlineFlightNo
Southwest AirlinesWN2488
08:45
AirlineFlightNo
United AirlinesUA1505
10:12
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:11
AirlineFlightNo
United AirlinesUA1049
12:20
AirlineFlightNo
Southwest AirlinesWN4623
12:43
AirlineFlightNo
United AirlinesUA1417
SwissLX3129
13:35
AirlineFlightNo
Air Tahiti NuiTN2499
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
14:40
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Korean AirKE3013
SASSK3262
WestJetWS8062
Air FranceAF2446
KLMKL5988
Delta Air LinesDL1675
15:36
AirlineFlightNo
United AirlinesUA757
Copa AirlinesCM1286
16:05
AirlineFlightNo
Air Transport International8C3347
16:20
AirlineFlightNo
Southwest AirlinesWN2519
16:40
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2477
Alaska AirlinesAS602
Hawaiian AirlinesHA6650
Qatar AirwaysQR3441
CondorDE5207
18:00
AirlineFlightNo
SASSK3658
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
KLMKL7528
Delta Air LinesDL1750
Qatar AirwaysQR2181
CondorDE5270
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
All Nippon AirwaysNH7376
VIEW FLIGHTS
Saturday
05:00
AirlineFlightNo
Southwest AirlinesWN933
05:02
AirlineFlightNo
United AirlinesUA2269
07:00
AirlineFlightNo
VolarisY42530
FrontierF93406
07:10
AirlineFlightNo
Delta Air LinesDL2740
08:13
AirlineFlightNo
Air Tahiti NuiTN2349
Alaska AirlinesAS682
Hawaiian AirlinesHA6653
08:45
AirlineFlightNo
United AirlinesUA1505
09:15
AirlineFlightNo
Southwest AirlinesWN2502
10:12
AirlineFlightNo
Air Tahiti NuiTN2338
Alaska AirlinesAS535
Hawaiian AirlinesHA6649
IcelandairFI7695
11:11
AirlineFlightNo
United AirlinesUA1049
12:43
AirlineFlightNo
United AirlinesUA1417
12:45
AirlineFlightNo
Southwest AirlinesWN2668
13:35
AirlineFlightNo
Korean AirKE6121
Air Tahiti NuiTN2499
Singapore AirlinesSQ1218
Alaska AirlinesAS620
Hawaiian AirlinesHA6651
IcelandairFI7701
Japan AirlinesJL6364
15:05
AirlineFlightNo
Southwest AirlinesWN4579
15:25
AirlineFlightNo
Korean AirKE3013
SASSK3262
WestJetWS8062
KLMKL5988
Delta Air LinesDL1675
15:36
AirlineFlightNo
United AirlinesUA757
16:05
AirlineFlightNo
Air Transport International8C3347
18:00
AirlineFlightNo
SASSK3658
KLMKL7528
Delta Air LinesDL1750
Virgin AtlanticVS2102
18:12
AirlineFlightNo
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
Qatar AirwaysQR2181
CondorDE5270
StarluxJX7036
VIEW FLIGHTS
Sunday
05:02
AirlineFlightNo
United AirlinesUA2269
05:15
AirlineFlightNo
Southwest AirlinesWN2502
06:12
AirlineFlightNo
FrontierF93406
07:10
AirlineFlightNo
Delta Air LinesDL2740
08:13
AirlineFlightNo
Alaska AirlinesAS682
08:45
AirlineFlightNo
United AirlinesUA1505
09:30
AirlineFlightNo
Southwest AirlinesWN2848
10:12
AirlineFlightNo
Alaska AirlinesAS535
11:11
AirlineFlightNo
United AirlinesUA1049
12:00
AirlineFlightNo
Southwest AirlinesWN933
12:43
AirlineFlightNo
United AirlinesUA1417
13:35
AirlineFlightNo
Alaska AirlinesAS620
15:25
AirlineFlightNo
Delta Air LinesDL1675
15:36
AirlineFlightNo
United AirlinesUA757
15:45
AirlineFlightNo
Southwest AirlinesWN4579
16:40
AirlineFlightNo
Alaska AirlinesAS602
17:21
AirlineFlightNo
Air Tahiti NuiTN2499
Singapore AirlinesSQ1218
Hawaiian AirlinesHA6651
IcelandairFI7699
Japan AirlinesJL6364
18:00
AirlineFlightNo
SASSK3658
Air Tahiti NuiTN2495
Alaska AirlinesAS1163
Hawaiian AirlinesHA6654
KLMKL7528
Delta Air LinesDL1750
Qatar AirwaysQR2181
CondorDE5270
StarluxJX7036
Virgin AtlanticVS2102
19:00
AirlineFlightNo
United AirlinesUA1218
20:40
AirlineFlightNo
Southwest AirlinesWN2668
22:40
AirlineFlightNo
All Nippon AirwaysNH7376
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
Seattle Boeing Field King County to Denver01,648 km (1,024 miles)2 Hours 45 Minutes
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 £36.27 ($49 €41.80)
£36.27
$49 | €41.80
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 £59.22 ($80 €68.25)
£59.22
$80 | €68.25
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): Aeromexico, Air France, Air Tahiti Nui, Air Transport International, Alaska Airlines, All Nippon Airways, China Airlines, Condor, Copa Airlines, Delta Air Lines, Frontier, Hawaiian Airlines, Icelandair, Japan Airlines, KLM, Korean Air, LATAM Airlines, Qatar Airways, SAS, Singapore Airlines, Southwest Airlines, Starlux, Swiss, 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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