
Flights From St. Louis (STL) to SeaTac (SEA)
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Selected fares from St. Louis to SeaTac
The cheapest prices found with in the last 7 days for return flights were CA $304 and CA $157 for one-way flights to SeaTac for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 7 - Sat, Apr 11
STL
Lambert-St. Louis Intl.
SEA
Seattle - Tacoma Intl.
CA $304 Roundtrip, found 3 days ago
CA $304
Roundtrip
found 3 days ago

Sat, Apr 4 - Fri, Apr 10
STL
Lambert-St. Louis Intl.
SEA
Seattle - Tacoma Intl.
CA $360 Roundtrip, found 3 days ago
CA $360
Roundtrip
found 3 days ago

Thu, Apr 23 - Tue, Apr 28
STL
Lambert-St. Louis Intl.
SEA
Seattle - Tacoma Intl.
CA $363 Roundtrip, found 3 days ago
CA $363
Roundtrip
found 3 days ago
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