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Due to the effect of the current situation on air traffic, fewer offers are being submitted. Some offers might now no longer be available.
Outbound flight: 03/20/21
22:20 DEN
00:10 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
direct
United Airlines
Return flight: 04/03/21
08:40 SEA
12:11 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
direct
United Airlines
$154
Offers unavailable
Outbound flight: 03/20/21
15:55 DEN
17:49 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
direct
United Airlines
Return flight: 04/03/21
08:40 SEA
12:11 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
direct
United Airlines
$154
Offers unavailable
Outbound flight: 03/20/21
09:52 DEN
16:16 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
Return flight: 04/03/21
08:40 SEA
12:11 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
direct
United Airlines
$160
Offers unavailable
Outbound flight: 03/20/21
18:55 DEN
00:51 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
1 Stopover
United Airlines
Return flight: 04/03/21
08:40 SEA
12:11 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
direct
United Airlines
$178
Offers unavailable
Outbound flight: 03/20/21
06:00 DEN
08:00 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
direct
Alaska Airlines
Return flight: 04/03/21
19:35 SEA
23:23 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
direct
Alaska Airlines
$252
Offers unavailable
Outbound flight: 03/20/21
12:08 DEN
18:22 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
1 Stopover
Delta Air Lines
Return flight: 04/03/21
19:35 SEA
23:23 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
direct
Alaska Airlines
$325
Offers unavailable
Outbound flight: 03/20/21
06:30 DEN
08:32 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
direct
Delta Air Lines
Return flight: 04/03/21
19:35 SEA
23:23 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
direct
Alaska Airlines
$396
Offers unavailable
Outbound flight: 03/20/21
15:15 DEN
20:49 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
1 Stopover
Alaska Airlines
Return flight: 04/03/21
22:30 SEA
14:15 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
1 Stopover
Alaska Airlines
$410
Offers unavailable
Outbound flight: 03/20/21
18:45 DEN
13:00 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
1 Stopover
Alaska Airlines
Return flight: 04/03/21
16:05 SEA
19:53 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
direct
Alaska Airlines
$413
Offers unavailable
Outbound flight: 03/20/21
10:50 DEN
13:01 SEA
Denver International Airport, CO
Seattle-Tacoma International Airport, WA
direct
Frontier Airlines
Return flight: 04/03/21
09:40 SEA
16:39 DEN
Seattle-Tacoma International Airport, WA
Denver International Airport, CO
1 Stopover
Frontier Airlines
$485
Offers unavailable
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Denver to Seattle-Tacoma

Favorite airline: United Airlines
Flight tickets on the route Denver – Seattle-Tacoma are most frequently booked with United Airlines.
United Airlines
18 %
Frontier Airlines
12 %
Southwest
12 %
Direct flights are the cheapest connection
Compared to flights with a stopover, direct flights are $12.00 cheaper on this route.
non stop flight
1 stop
2 stops
03h 05min
06h 41min
08h 40min
$50
$62
$3,597
The favorite connection is non-stop
Direct flights are especially popular on this route. 60 % of travelers will book a direct flight.
Route
bookings
Direct flights
03h 05min, from $50
60 %
1 stopover Phoenix - Sky Harbor International Airport
06h 41min, from $62
20 %
1 stopover Las Vegas - McCarran International Airport, NV
10h 11min, from $64
13 %
Flight information Denver - Seattle-Tacoma
Alternative flight routes
Flight details Denver - Seattle-Tacoma
  • Flight duration: min. 03:00 / max. 09:35
  • Distance: 1647 km
  • Flights per week: 159
  • Return flight duration: min. 02:30 / max. 07:05
Top Flight Routes
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.