Direct flights from Seattle to Denver

Seattle

United States

BFI

Boeing Field King County International Airport

Denver

United States

DEN

Denver International Airport

Seattle to Denver route overview

Boeing Field King County International Airport (BFI) serves Seattle; Denver International Airport (DEN) serves Denver.

The airports are 1,024 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from BFI to DEN.

Airlines represented in the current schedule are Sun Country (SY).

Published schedule dates span Sep 18 – 18, 2026.

Which airports serve the Seattle to Denver route?

Boeing Field King County International Airport (BFI) is the origin airport and Denver International Airport (DEN) is the destination airport.

How far is Denver from Seattle?

BFI and DEN are approximately 1,024 miles apart by great-circle distance.

Are there direct flights from BFI to DEN?

Yes. Roame's current schedule feed shows nonstop service from BFI to DEN.

Which airlines fly from BFI to DEN?

Airlines represented in the current schedule are Sun Country (SY).

Which aircraft fly from BFI to DEN?

Aircraft listed in the current schedule include Boeing 737-800 (738).