Denver to Seattle
DENSEA
Fly from Denver to Seattle starting at USD 97 with F9.
Best fare available on Jun 8, 2026.
Limited seats. Better plans. Book before it's gone.
Denver to Seattle cheapest flights this week
26 Apr
F9
07:15DEN
--:--SEA
Direct$136VIEW DEAL
12 May
AS
08:00DEN
--:--SEA
Direct$105VIEW DEAL
18 May
F9
07:00DEN
--:--SEA
1 Stop$127VIEW DEAL
19 May
AS
06:00DEN
--:--SEA
Direct$105VIEW DEAL
29 May
F9
12:00DEN
--:--SEA
Direct$103VIEW DEAL
8 Jun
F9
22:29DEN
--:--SEA
1 Stop$97VIEW DEAL
Denver to Seattle monthly flight fare trend
Apr
from USD 136
May
from USD 103
Jun
from USD 97
Jul
No flights
Aug
No flights
Sep
No flights
Airport Details
Origin
Denver
Denver International Airport (DEN)
Denver, DEN
Zone
Denver
Elev
5431 ft
Destination
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
