St. Louis (STL) to Seattle / Tacoma (SEA) flight deal in economy from $84
STLLambert-Saint Louis International Airport
St. Louis, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$186 USD
-55%$84 USD
Verified about 5 hours agoSeptember 2026
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Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price
Sunday, September 13th, 2026
Outbound Flights
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