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

Departure Date

2025/8
Sun	Mon	Tue	Wed	Thu	Fri	Sat
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3196	4217	5154	6154	7Search	8Search	9Search
10Search	11Search	12Search	13655	141,041	15Search	16Search
17215	18Search	19Search	20Search	21Search	22196	23194
24Search	25Search	26Search	27Search	28Search	29Search	30Search
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2025/8
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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
August Lowest Airfares
USD154

The airfare displayed above is for Delta Air Lines

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Denver－Seattle-Tacoma Airport
September Lowest Airfares
USD223

The airfare displayed above is for Delta Air Lines

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Denver－Seattle-Tacoma Airport
October Lowest Airfares
USD157

The airfare displayed above is for Delta Air Lines

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Denver－Seattle-Tacoma Airport
November Lowest Airfares
USD159

The airfare displayed above is for Delta Air Lines

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Denver－Seattle-Tacoma Airport
December Lowest Airfares
USD214

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)
USD175〜
Denver－Washington D.C(Baltimore-Washington)
USD227〜
Denver－Washington D.C(Ronald Reagan Washington National)
USD234〜
Denver－Washington D.C(Washington Dulles)
USD257〜
Denver－Chicago(O'Hare)
USD143〜
Denver－Chicago(Midway)
USD211〜
Denver－Dallas(/Fort Worth)
USD175〜
Denver－Dallas(Love Field)
USD244〜
* 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)
USD560〜
Albany Airport－Seattle(-Tacoma)
USD509〜
Akron-Canton Regional Airport－Seattle(-Tacoma)
USD869〜
* Fares vary in accordance to seat availability