Cheap Flights from Denver International Airport to Seattle (SEA) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/7
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Return Date

2025/7
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Denver－Seattle-Tacoma Airport
July Lowest Airfares
USD293

The airfare displayed above is for United Airlines

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Denver－Seattle-Tacoma Airport
August Lowest Airfares
USD101

The airfare displayed above is for Frontier Airlines

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Denver－Seattle-Tacoma Airport
September Lowest Airfares
USD108

The airfare displayed above is for Frontier Airlines

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Denver－Seattle-Tacoma Airport
October Lowest Airfares
USD85

The airfare displayed above is for Frontier Airlines

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Denver－Seattle-Tacoma Airport
November Lowest Airfares
USD157

The airfare displayed above is for Delta Air Lines

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Denver－Seattle
Estimated Flight Time
2 Hours 56 Minutes
Denver－Seattle
Number of Operating Airlines
5

Operating Airlines for Denver－Seattle-Tacoma Airport Route
Non-StopUnited Airlines

Non-StopAmerican Airlines

Non-StopAlaska Airlines

Non-StopDelta Air Lines

Non-StopLCCFrontier Airlines

Other Destinations from:Denver

Denver－Boston(Logan)
USD224〜
Denver－Washington D.C(Ronald Reagan Washington National)
USD91〜
Denver－Washington D.C(Baltimore-Washington)
USD224〜
Denver－Washington D.C(Washington Dulles)
USD225〜
Denver－Chicago(O'Hare)
USD71〜
Denver－Chicago(Midway)
USD195〜
Denver－Dallas(/Fort Worth)
USD120〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Portland Airport－Seattle(-Tacoma)
USD98〜
Albuquerque Sunport－Seattle(-Tacoma)
USD156〜
Aberdeen Regional Airport－Seattle(-Tacoma)
USD553〜
Albany Airport－Seattle(-Tacoma)
USD431〜
Akron-Canton Regional Airport－Seattle(-Tacoma)
USD441〜
* Fares vary in accordance to seat availability