St Louis to Seattle
STLSEA
Fly from St Louis to Seattle starting at SAR 514 with F9.
Best fare available on Apr 30, 2026.
Limited seats. Better plans. Book before it's gone.
St Louis to Seattle cheapest flights this week
29 Apr
0P
16:49STL
06:12SEA
1 StopSAR 900VIEW DEAL
30 Apr
F9
21:55STL
03:51SEA
1 StopSAR 514VIEW DEAL
25 May
AA
05:14STL
19:10SEA
1 StopSAR 675VIEW DEAL
10 Jul
UA
19:23STL
08:20SEA
1 StopSAR 615VIEW DEAL
St Louis to Seattle monthly flight fare trend
Apr
from SAR 514
May
from SAR 675
Jun
No flights
Jul
from SAR 615
Aug
No flights
Sep
No flights
Airport Details
Origin
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
Destination
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
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