| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Denver Seattle-Tacoma | Outbound 06/25/26 direct F91175 03h 07min | Return 06/30/26 direct F91176 02h 55min |  Frontier Airlines |  | $199 | ||
| Denver Seattle-Tacoma | Outbound 06/25/26 direct F91175 03h 07min | Return 06/30/26 direct F91176 02h 55min | Frontier Airlines |  | ? | $202 | |
| Denver Seattle-Tacoma | Outbound 05/16/26 direct AS0643 03h 05min | Return 05/29/26 direct AS0642 02h 52min |  Alaska Airlines |  | ? | $208 | |
| Denver Seattle-Tacoma | Outbound 05/16/26 direct F94545 03h 12min | Return 05/29/26 direct AS1332 02h 57min | Frontier Airlines | | $210 | ||
| Denver Seattle-Tacoma | Outbound 06/25/26 direct F94545 03h 10min | Return 06/30/26 direct F91176 02h 55min | Frontier Airlines |  | $212 | ||
| Denver Seattle-Tacoma | Outbound 05/16/26 direct F94545 03h 12min | Return 05/29/26 direct AS0642 02h 52min | Frontier Airlines |  | ? | $221 | |
| Denver Seattle-Tacoma | Outbound 07/26/26 direct AS0643 03h 05min | Return 08/05/26 direct F93406 02h 58min | Alaska Airlines |  | ? | $228 | |
| Denver Seattle-Tacoma | Outbound 05/16/26 direct AS0643 03h 05min | Return 05/29/26 direct AS0786 02h 49min | Alaska Airlines |  | ? | $245 | |
| Denver Seattle-Tacoma | Outbound 07/26/26 direct AS0643 03h 05min | Return 08/05/26 direct AS0642 02h 48min | Alaska Airlines | | ? | $267 | |
| Denver Seattle-Tacoma | Outbound 06/25/26 direct AS0249 03h 04min | Return 06/30/26 direct AS0642 02h 51min | Alaska Airlines |  | $314 |
Stops
- Direct flight
Airline
- Alaska Airlines
- Frontier Airlines
- Delta Air Lines
- United Airlines
- Sun Country Airlines
Tips and tricks to help you find cheap flights from Denver to Seattle Tacoma
Favorite airline: Frontier Airlines
Frontier Airlines is the most popular airline for flights from Denver to Seattle-Tacoma.
Frontier Airlines
50 %
Delta
22 %
United Airlines
17 %
Direct flights are cheaper
Compared to flights with a stopover, direct flights are $227.00 cheaper on this route.
non stop flight
1 stop
03h 00min
07h 28min
$160
$387
The favorite connection is non-stop
Flights from Denver to Seattle-Tacoma are most often booked as a direct flight.
Route
bookings
Direct flights
03h 00min, from $160
94 %
1 stopover Salt Lake City International Airport, UT
07h 28min, from $387
6 %
Important flight information
Flight information: Denver - Seattle-Tacoma
| Roundtrip from | $198.97 |
|---|---|
| Flight duration | min. 03:00 / max. 09:35 |
| Return flight duration | min. 02:30/ max. 07:05 |
| Distance | 1647 km |
| Flights per week | 159 |
| Departure airport | Airport Denver International Airport, CO (DEN) |
| Arrival airport | Airport Seattle-Tacoma International Airport, WA (SEA) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight Denver - Las Vegas from $149
- Flight Denver - San Francisco from $219
- Flight Denver - Miami from $237
- Flight Denver - New York from $209
- Flight Denver - Los Angeles from $191
- Flight Denver - Chicago from $143
- Flight Denver - New York from $209
- Flight Denver - Tampa from $317
- Flight Denver - Dallas from $130
- Flight Denver - Phoenix - Sky Harbor from $172
Alternative flights to Seattle-Tacoma
- Flight New York - Seattle-Tacoma from $373
- Flight Los Angeles - Seattle-Tacoma from $178
- Flight Anchorage - Seattle-Tacoma from $279
- Flight Atlanta - Seattle-Tacoma from $201
- Flight Boston - Seattle-Tacoma from $299
- Flight Chicago - Seattle-Tacoma from $150
- Flight Chicago O'Hare - Seattle-Tacoma from $150
- Flight Washington-DC - Seattle-Tacoma from $398
- Flight Dallas - Seattle-Tacoma from $322
Flight destinations with a similar price
- Flight Seattle-Tacoma - Frankfurt from $602
- Flight Seattle-Tacoma - Berlin from $695
- Flight Seattle-Tacoma - Munich from $695
- Flight Seattle-Tacoma - Nairobi from $925
- Flight Seattle-Tacoma - Cancun from $345
- Flight Seattle-Tacoma - Istanbul from $867
- Flight Seattle-Tacoma - Seoul Incheon from $751
Flight destinations with a similar price
- Flight Denver - New York from $209
- Flight Denver - Los Angeles from $191
- Flight Denver - New York from $209
- Flight Denver - Austin from $195
- Flight Denver - Philadelphia from $203