| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Denver Seattle-Tacoma | Outbound 10/18/25 direct F93405 03h 02min | Return 11/17/25 direct F93406 02h 51min |  Frontier Airlines |  | ? | $148 | |
| Denver Seattle-Tacoma | Outbound 06/08/25 direct F91175 03h 09min | Return 06/12/25 direct F93406 02h 47min | Frontier Airlines |  | $154 | ||
| Denver Seattle-Tacoma | Outbound 06/08/25 direct F93405 03h 05min | Return 06/12/25 direct F91176 02h 45min | Frontier Airlines |  | $162 | ||
| Denver Seattle-Tacoma | Outbound 11/03/25 direct F93405 03h 02min | Return 11/12/25 direct F93406 02h 51min | Frontier Airlines | | ? | $165 | |
| Denver Seattle-Tacoma | Outbound 06/18/25 direct F93405 03h 05min | Return 07/15/25 direct F93406 02h 49min | Frontier Airlines |  | $172 | ||
| Denver Seattle-Tacoma | Outbound 11/03/25 1 Stopover (PDX) AS0679, AS2190 04h 25min | Return 11/12/25 direct AS0682 02h 44min |  Alaska Airlines | | $172 | ||
| Denver Seattle-Tacoma | Outbound 06/08/25 direct F93405 03h 05min | Return 06/12/25 direct F91176 02h 45min | Frontier Airlines |  | $173 | ||
| Denver Seattle-Tacoma | Outbound 11/03/25 1 Stopover (PDX) AS0679, AS2190 04h 25min | Return 11/12/25 direct AS0642 02h 44min | Alaska Airlines |  | ? | $174 | |
| Denver Seattle-Tacoma | Outbound 06/18/25 direct DL1731 02h 59min | Return 07/15/25 direct F91176 02h 52min |  Delta Air Lines |  | ? | $175 | |
| Denver Seattle-Tacoma | Outbound 06/07/25 direct AS0643 02h 59min | Return 06/23/25 direct F91176 02h 55min | Alaska Airlines | | ? | $176 |
Stops
- Direct flight
Airline
- Frontier Airlines
- Alaska Airlines
- Hawaiian Airlines
- United Airlines
- American 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 | $147.77 |
|---|---|
| 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 $86
- Flight Denver - San Francisco from $126
- Flight Denver - Miami from $111
- Flight Denver - New York from $164
- Flight Denver - Los Angeles from $126
- Flight Denver - Chicago from $102
- Flight Denver - New York from $210
- Flight Denver - Tampa from $163
- Flight Denver - Dallas from $126
- Flight Denver - Phoenix - Sky Harbor from $96
Alternative flights to Seattle-Tacoma
- Flight San Francisco - Seattle-Tacoma from $116
- Flight New York - Seattle-Tacoma from $212
- Flight Los Angeles - Seattle-Tacoma from $134
- Flight Anchorage - Seattle-Tacoma from $293
- Flight Honolulu - Seattle-Tacoma from $363
- Flight Atlanta - Seattle-Tacoma from $216
- Flight Las Vegas - Seattle-Tacoma from $98
- Flight Miami - Seattle-Tacoma from $205
- Flight San Diego - Seattle-Tacoma from $152
- Flight Boston - Seattle-Tacoma from $178
Flight destinations with a similar price
- Flight Seattle-Tacoma - Dubai from $644
- Flight Seattle-Tacoma - Port of Spain from $534
- Flight Seattle-Tacoma - London from $502
- Flight Seattle-Tacoma - Vancouver from $130
- Flight Seattle-Tacoma - Toronto from $263
- Flight Seattle-Tacoma - Istanbul from $586
- Flight Seattle-Tacoma - London Heathrow from $502
- Flight Seattle-Tacoma - Frankfurt from $564
- Flight Seattle-Tacoma - Dusseldorf from $546
Flight destinations with a similar price
- Flight Denver - Portland-Oregon from $143
- Flight Denver - Atlanta from $154
- Flight Denver - Austin from $134
- Flight Denver - New Orleans from $154
- Flight Denver - San Jose from $145