St. Louis (STL) to Seattle / Tacoma (SEA) flight deal in economy from $177
STLLambert-Saint Louis International Airport
St. Louis, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$369 USD
-52%$177 USD
Verified about 8 hours agoJuly 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
14% of dates checked are available within 10% of the lowest price
Monday, July 6th, 2026
0 round-trip options
No flight details available for this date.