Cheap Flights from Seattle to Denver

Prices were available within the past 7 days and starts at $54 for one-way flights and $99 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Reviews from verified customers

Mar 16, 2020

I was impressed with how clean the plane felt and the extra mile each member of the staff went thru to ensure our comfort

Mar 4, 2020

Delta may soon become my fave airline... Keep up the good work!

Feb 20, 2020

Miranda was cheerful and I loved the updates from our captain.

Feb 19, 2020

Looking forward to flying Delta again

Feb 17, 2020

Excellent service

Feb 17, 2020

Sandra Dee was extremely kind and helpful to us at Sea-Tac airport.

Feb 16, 2020

Arrived early.

Feb 16, 2020

Agents really hustled to get the flight out on time

Feb 13, 2020

Economy does have a odd check-in process

Feb 13, 2020

Flight was fine. Thanks!

Seattle to Denver route information

Origin Airport Seattle - Tacoma Intl.
Destination Airport Denver Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Flight Price $98
Distance 1,022 mi

Cheap SEA to DEN Flights