An Alaska Airlines plane taking off with a snow-capped mountain in the background.

Cheap Flights from Denver (DEN) to Seattle (SEA)

Photo by Port of Seattle
Open Photo by Port of Seattle

Find the cheapest month to fly from Denver (DEN) to Seattle (SEA)

March is typically the cheapest month to fly

From SAR 270 - SAR 670 per traveler.

Travel information

Origin airport
Denver Intl. Airport
Destination airport
Seattle-Tacoma International Airport
Distance
1,645 km away
Airlines serving
Alaska Airlines, Frontier Airlines, United, Delta, Southwest Airlines, American Airlines, JetBlue Airways
Popular airline
Alaska Airlines
Average flight time
3 hours 14 mins
*Available to One Key members.