Seattle to St Louis
SEASTL
Fly from Seattle to St Louis starting at SAR 46 with American Airlines.
Best fare available on Jun 24, 2026.
Limited seats. Better plans. Book before it's gone.
Seattle to St Louis cheapest flights this week
Seattle to St Louis monthly flight fare trend
Jun
from SAR 46
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights
Airport Details
Origin
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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