SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
STLLambert-Saint Louis International Airport
St. Louis, United States
$177 USD
-44%$99 USD
Verified Sep 20, 2025 at 3:36 PMSeptember 2025
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Fair Availability
32% of dates checked are available within 10% of the lowest price
Monday, September 1st, 2025
No flight details available for this date.