Cheap flights from Baltimore to Southwest Illinois

View AU$185 flight on Sat, 16 Aug. 2025Opens in a new window

Popular airlines from Baltimore to Southwest Illinois

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Baltimore (WAS) to Southwest Illinois (STL)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 16 Aug. - Sat, 23 Aug.
BWI
Baltimore
STL
St. Louis
AU$307 Return, found 6 days ago
AU$307
Return
found 6 days ago
Select American Airlines flight, departing Sat, 16 Aug. from Baltimore to St. Louis, returning Sat, 23 Aug., priced at AU$307 found 6 days ago
American Airlines
Sat, 16 Aug. - Sat, 23 Aug.
DCA
Washington
STL
St. Louis
AU$344 Return, found 6 days ago
AU$344
Return
found 6 days ago
Select American Airlines flight, departing Sat, 16 Aug. from Washington to St. Louis, returning Sat, 23 Aug., priced at AU$344 found 6 days ago
American Airlines
Sat, 16 Aug. - Sat, 23 Aug.
DCA
Washington
STL
St. Louis
AU$364 Return, found 6 days ago
AU$364
Return
found 6 days ago
Select American Airlines flight, departing Sat, 16 Aug. from Washington to St. Louis, returning Sat, 23 Aug., priced at AU$364 found 6 days ago
Delta
Sat, 16 Aug. - Sat, 23 Aug.
BWI
Baltimore
STL
St. Louis
AU$369 Return, found 6 days ago
AU$369
Return
found 6 days ago
Select Delta flight, departing Sat, 16 Aug. from Baltimore to St. Louis, returning Sat, 23 Aug., priced at AU$369 found 6 days ago
Delta
Sat, 16 Aug. - Sat, 23 Aug.
DCA
Washington
STL
St. Louis
AU$374 Return, found 6 days ago
AU$374
Return
found 6 days ago
Select Delta flight, departing Sat, 16 Aug. from Washington to St. Louis, returning Sat, 23 Aug., priced at AU$374 found 6 days ago
United
Sat, 16 Aug. - Sat, 23 Aug.
BWI
Baltimore
STL
St. Louis
AU$392 Return, found 6 days ago
AU$392
Return
found 6 days ago
Select United flight, departing Sat, 16 Aug. from Baltimore to St. Louis, returning Sat, 23 Aug., priced at AU$392 found 6 days ago
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