| 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 10/18/25 direct F93405 03h 02min | Return 11/17/25 direct F93406 02h 51min | Frontier Airlines |  | $155 | ||
| 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 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 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 10/18/25 direct AS0620 02h 59min | Return 11/17/25 direct AS0642 02h 44min | Alaska Airlines |  | ? | $177 | |
| Denver Seattle-Tacoma | Outbound 11/03/25 1 Stopover (ONT) F91261, F93164 06h 11min | Return 11/12/25 direct AS0642 02h 44min | Frontier Airlines | | $178 | ||
| Denver Seattle-Tacoma | Outbound 09/04/25 direct F91175 03h 05min | Return 09/28/25 direct F91176 02h 52min | Frontier Airlines |  | $181 | ||
| Denver Seattle-Tacoma | Outbound 10/18/25 direct F93405 03h 02min | Return 11/17/25 direct AS0642 02h 44min | Frontier Airlines | | ? | $182 | |
| Denver Seattle-Tacoma | Outbound 10/18/25 direct AS0620 02h 59min | Return 11/17/25 direct AS0642 02h 44min | Alaska Airlines | | $182 |
Stops
- Direct flight
Airline
- Frontier Airlines
- Alaska Airlines
- Hawaiian Airlines
- United Airlines
- Southwest 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 193 $
- Flight Denver - Los Angeles from 134 $
- Flight Denver - Chicago from 102 $
- Flight Denver - New York from 226 $
- Flight Denver - Tampa from 163 $
- Flight Denver - Dallas from 119 $
- 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 233 $
- Flight Las Vegas - Seattle-Tacoma from 108 $
- 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 - Istanbul from 586 $
- Flight Seattle-Tacoma - Port of Spain from 534 $
- Flight Seattle-Tacoma - London Heathrow from 502 $
- Flight Seattle-Tacoma - London from 502 $
- Flight Seattle-Tacoma - Toronto from 263 $
- Flight Seattle-Tacoma - Dubai from 644 $
- Flight Seattle-Tacoma - Vancouver from 130 $
- Flight Seattle-Tacoma - Dusseldorf from 546 $
- Flight Seattle-Tacoma - Munich from 561 $
Flight destinations with a similar price
- Flight Denver - Los Angeles from 134 $
- Flight Denver - San Diego from 145 $
- Flight Denver - Portland-Oregon from 145 $
- Flight Denver - Austin from 147 $