SEA to DEN (Seattle to Denver) Flights

Last Minute Flights from SEA to DEN

Best airfare and ticket deals for SEA to DEN flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
SEADenverMay 26 to May 28$217
*Prices include taxes and fees

Cheapest SEA to DEN Flights

Best airfare and ticket deals for SEA to DEN flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
SEADenverOctober 26 to October 29$96
SEADenverMay 29 to June 8$145
SEADenverAugust 27 to August 27$172
PAEDenverDecember 4 to December 10$396
*Prices include taxes and fees
SEA to DEN Flight Details
Origin airport
Seattle - Tacoma Intl.
Origin airport IATA code
SEA
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Distance
1022 mi

Frequently asked questions

Which airlines with flights from SEA to DEN allow free cancellation due to COVID-19?
Just enter your preferred dates and destination, then click the green “Find the best flight deals” button. Once the results are displayed, check the “No change fee” box underneath the “Flexible change policies” filter on the left. Before you lock in your Seattle - Tacoma International Airport to DEN flights, carefully read the airline’s COVID-19 related policies so you’ve got the full details on what you can and can’t change.
What airlines fly direct from Sea-Tac Airport to Denver Airport?
Finding your way from Seattle to Denver is a cinch. Just reserve a nonstop fare from SEA to DEN with any one of these top airlines:
  • United Airlines (UA)
  • Southwest Airlines (WN)
  • Alaska Airlines (AS)
  • Delta (DL)
How many flights are there from SEA to DEN?
There are approximately 20 flights every day from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Denver, CO Airport (DEN-Denver Intl.), so you have plenty of ways to get to Denver. J