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Flights from Denver to Seattle
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Find cheap one-way flights from Denver to Seattle starting at US$24.
Book one-way or return flights from Denver to Seattle from as little as US$24. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- DEN19:073h 5mDirectSEA21:12Tue, Apr 9|Denver - Seattle|Frontier AirlinesUS$24US$5153% OFF53% OFFUS$51US$24
- DEN19:073h 5mDirectSEA21:12Tue, Apr 2|Denver - Seattle|Frontier AirlinesUS$29US$5143% OFF43% OFFUS$51US$29
- DEN11:513h 11mDirectSEA14:02Sat, Apr 20|Denver - Seattle|Frontier AirlinesUS$31US$5140% OFF40% OFFUS$51US$31
- DEN14:493h 9mDirectSEA16:58Wed, Apr 24|Denver - Seattle|Frontier AirlinesUS$31US$31
- DEN19:073h 5mDirectSEA21:12Tue, Mar 26|Denver - Seattle|Frontier AirlinesUS$31US$31
- DEN11:443h 11mDirectSEA13:55Sat, Apr 27|Denver - Seattle|Frontier AirlinesUS$31US$31
- DEN14:493h 9mDirectSEA16:58Wed, May 8|Denver - Seattle|Frontier AirlinesUS$32US$32
- DEN18:493h 5mDirectSEA20:54Wed, Mar 27|Denver - Seattle|Frontier AirlinesUS$34US$34
- DEN18:493h 5mDirectSEA20:54Wed, Apr 3|Denver - Seattle|Frontier AirlinesUS$34US$34
- DEN17:173h 5mDirectSEA19:22Sat, Mar 30|Denver - Seattle|Frontier AirlinesUS$36US$36
- DEN13:003h 5mDirectSEA14:00Tue, Mar 26|Denver - Seattle|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Denver to Seattle
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From US$24
Alaska Airlines
From US$55
Southwest Airlines
From US$72
Sun Country Airlines
From US$81
United Airlines
From US$147
Delta Air Lines
From US$172
American Airlines
From US$216
ANA airlines
Find more flights and airlines
Find cheap flights from Denver to Seattle by different airports
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Denver to Seattle.
- CheapestDEN19:073h 5mDirectSEA21:12Denver International Airport - Seattle-Tacoma International AirportTue, Apr 9Frontier AirlinesUS$24
- DEN19:073h 5mDirectSEA21:12Denver International Airport - Seattle-Tacoma International AirportTue, Apr 9Frontier AirlinesUS$24Find More Flights
Frequently Asked Questions
Denver to Seattle Flight Information
Cheapest nonstop flight price | $24 |
---|---|
Cheapest round-trip ticket price | $58 |
Off-season for travel | November |
Peak season for travel | June |
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