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

Departure Date

2026/3
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2026/3
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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
March Lowest Airfares
USD216

The airfare displayed above is for Delta Air Lines

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Denver－Seattle-Tacoma Airport
April Lowest Airfares
USD214

The airfare displayed above is for Delta Air Lines

Set calendar for this month

Denver－Seattle-Tacoma Airport
May Lowest Airfares -----
Denver－Seattle-Tacoma Airport
June Lowest Airfares -----
Denver－Seattle-Tacoma Airport
July Lowest Airfares -----

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)
USD175〜
Denver－Washington D.C(Baltimore-Washington)
USD226〜
Denver－Washington D.C(Ronald Reagan Washington National)
USD233〜
Denver－Washington D.C(Washington Dulles)
USD256〜
Denver－Chicago(O'Hare)
USD143〜
Denver－Chicago(Midway)
USD210〜
Denver－Dallas(/Fort Worth)
USD175〜
Denver－Dallas(Love Field)
USD243〜
* Fares vary in accordance to seat availability
Other Departures to: Seattle

Portland Airport－Seattle(-Tacoma)
USD117〜
Albuquerque Sunport－Seattle(-Tacoma)
USD197〜
Aberdeen Regional Airport－Seattle(-Tacoma)
USD558〜
Albany Airport－Seattle(-Tacoma)
USD507〜
Akron-Canton Regional Airport－Seattle(-Tacoma)
USD866〜
* Fares vary in accordance to seat availability