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Cheap Flights from Denver to Seattle $140.6

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Cheapest Flights from Denver to Seattle (DEN to SEA)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Denver to Seattle (DEN to SEA)

Question : Is there a preferred airline for getting to Seattle-Tacoma International Airport (SEA) on schedule?
Answer : JetBlue Airways holds the best record for flights from DEN to SEA with a 100% on-time rate. Perfection is hard to come by, so hopefully it continues.

Question : Which airline is offering the cheapest round-trip flight from DEN to SEA?
Answer : Alaska Airlines has been booking passengers at the cheapest fare for flights scheduled throughout the next three months.

Question : Should you take that vacation to Seattle in the next 30 days?
Answer : Since low prices are preferred, look at February 12th. As of January 23rd, the cheapest ticket sales are coming in 14% below the average price for this route, so you can spend that extra cash on an adventure in Seattle.

Question : How long are most people's visits to Seattle when they fly in from Denver?
Answer : The average time spent in Seattle by passengers flying from DEN is five days.