Seattle / Tacoma (SEA) to St. Louis (STL) flight deal in economy from $64
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
STLLambert-Saint Louis International Airport
St. Louis, United States
$174 USD
-63%$64 USD
Verified about 9 hours agoAugust 2026
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Limited Availability
13% of dates checked are available within 10% of the lowest price
Sunday, August 9th, 2026
Outbound Flights
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