$256 Cheap American Airlines flights Baltimore (BWI) to St. Louis (STL)

View $256 flight on Sat, May 23, 2026Opens in a new window

$256 Cheap American Airlines flights Baltimore (BWI) to St. Louis (STL)

Prices were available within the past 7 days and start at $256 for one-way flights and $437 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Jun 4 - Wed, Jun 10
BWI
Baltimore
STL
St. Louis
$437 Roundtrip, found 1 day ago
$437
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jun 4 from Baltimore to St. Louis, returning Wed, Jun 10, priced at $437 found 1 day ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $428
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $428

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Delta
Distance
1177 km
Average flight time
2 hours 9 mins

Explore a world of travel with Expedia