Cheap flights from Denver to Seattle
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Check our current prices for flights from Denver to Seattle. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Denver to Seattle, you will need to run a search below.
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Cheap Seattle airfares from $98/RT are provided by Cheapoair.com. Outbound flight is leaving on 04/29/2025, 10:38 pm from Denver International Airport (DEN) airport and arrives at Seattle/tacoma Sea/tac (SEA) at 12:43 am. The flight time is 2 hours and 5 minutes. The Returning flight departes on 05/13/2025, 06:00 am (other return dates are also available). Date posted: 01 Jan 2025
Price evolution for flights From Denver To Seattle

Recent Deals on Flights from Denver to Seattle:Roundtrip / Oneway
- $98
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Denver, CO (DEN) Seattle, WA (SEA) 04/29/2025 10:38 pm Seattle, WA (SEA) Denver, CO (DEN) 05/13/2025 06:00 am - $156
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Denver, CO (DEN) Seattle, WA (SEA) 04/11/2025 09:46 am Seattle, WA (SEA) Denver, CO (DEN) 04/22/2025 06:00 am - We are sorry but currently there are no oneway offers for flights from Denver to Seattle.
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Know what to do when flying to Seattle?
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