$146 Cheap Delta flights St. Louis (STL) to Baltimore (BWI)

View $146 flight on Thu, Apr 30, 2026Opens in a new window

$146 Cheap Delta flights St. Louis (STL) to Baltimore (BWI)

Prices were available within the past 7 days and start at $146 for one-way flights and $291 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Apr 30 - Mon, May 4
STL
St. Louis
BWI
Baltimore
$291 Roundtrip, found 4 days ago
$291
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Apr 30 from St. Louis to Baltimore, returning Mon, May 4, priced at $291 found 4 days ago
Delta
Thu, Apr 30 - Mon, May 4
STL
St. Louis
BWI
Baltimore
$361 Roundtrip, found 4 days ago
$361
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Apr 30 from St. Louis to Baltimore, returning Mon, May 4, priced at $361 found 4 days ago
Delta
Thu, Apr 30 - Mon, May 4
STL
St. Louis
BWI
Baltimore
$421 Roundtrip, found 4 days ago
$421
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Apr 30 from St. Louis to Baltimore, returning Mon, May 4, priced at $421 found 4 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, Southwest Airlines, United
Popular airline
United
Distance
1177 km
Average flight time
3 hours 5 mins

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