$266 Cheap American Airlines flights St. Louis (STL) to Baltimore (BWI)

View $266 flight on Sun, Apr 5, 2026Opens in a new window

$266 Cheap American Airlines flights St. Louis (STL) to Baltimore (BWI)

Prices were available within the past 7 days and start at $266 for one-way flights and $332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Apr 5 - Sat, Apr 11
STL
St. Louis
BWI
Baltimore
$332 Roundtrip, found 2 days ago
$332
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Apr 5 from St. Louis to Baltimore, returning Sat, Apr 11, priced at $332 found 2 days ago
American Airlines
Sun, Apr 5 - Sat, Apr 11
STL
St. Louis
BWI
Baltimore
$351 Roundtrip, found 2 days ago
$351
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Apr 5 from St. Louis to Baltimore, returning Sat, Apr 11, priced at $351 found 2 days ago
American Airlines
Sun, Apr 5 - Sat, Apr 11
STL
St. Louis
BWI
Baltimore
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Apr 5 from St. Louis to Baltimore, returning Sat, Apr 11, priced at $382 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to Baltimore (BWI)

January is typically the cheapest month to fly

From $128 - $645 per traveler.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Delta
Distance
1177 km
Average flight time
2 hours 59 mins

Explore a world of travel with Expedia