Seattle to Denver
SEADEN
Fly from Seattle to Denver starting at USD 94 with Frontier Airlines.
Best fare available on Jun 18, 2026.
Limited seats. Better plans. Book before it's gone.
Seattle to Denver cheapest flights this week
Seattle to Denver monthly flight fare trend
May
from USD 50
Jun
from USD 94
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
Destination
Denver
Denver International Airport (DEN)
Denver, DEN
Zone
Denver
Elev
5431 ft
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