$95 Cheap American Airlines flights Seattle (SEA) to St. Louis (STL)

View $95 flight on Wed, Oct 8, 2025Opens in a new window

$95 Cheap American Airlines flights Seattle (SEA) to St. Louis (STL)

Prices were available within the past 7 days and start at $95 for one-way flights and $269 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
American Airlines
Wed, Jul 9 - Tue, Jul 15
SEA
Seattle
STL
St. Louis
$269
Roundtrip
Found 3 days ago
Select American Airlines flight, departing Wed, Jul 9 from Seattle to St. Louis, returning Tue, Jul 15, priced at $269 Found 3 days ago
American Airlines
Wed, Jul 9 - Tue, Jul 15
SEA
Seattle
STL
St. Louis
$294
Roundtrip
Found 3 days ago
Select American Airlines flight, departing Wed, Jul 9 from Seattle to St. Louis, returning Tue, Jul 15, priced at $294 Found 3 days ago
American Airlines
Wed, Jul 9 - Tue, Jul 15
SEA
Seattle
STL
St. Louis
$349
Roundtrip
Found 3 days ago
Select American Airlines flight, departing Wed, Jul 9 from Seattle to St. Louis, returning Tue, Jul 15, priced at $349 Found 3 days ago
Flights from Seattle (SEA) to St. Louis (STL)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
2728 km
Average flight time
5 hours 57 mins