Flights to Southwest Illinois from Baltimore - $53

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

Prices were available within the past 7 days and start at $53 for one-way flights and $105 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 3 - Tue, Sep 9

DCA

Washington

STL

St. Louis

$105 Roundtrip, found 14 hours ago

$105

Roundtrip

found 14 hours ago

Select Southwest Airlines flight, departing Wed, Sep 3 from Washington to St. Louis, returning Tue, Sep 9, priced at $105 found 14 hours ago

Tue, Aug 19 - Sat, Aug 23

DCA

Washington

STL

St. Louis

$123 Roundtrip, found 7 hours ago

$123

Roundtrip

found 7 hours ago

Select American Airlines flight, departing Tue, Aug 19 from Washington to St. Louis, returning Sat, Aug 23, priced at $123 found 7 hours ago

Fri, Aug 15 - Mon, Aug 18

BWI

Baltimore

STL

St. Louis

$147 Roundtrip, found 16 hours ago

$147

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Fri, Aug 15 from Baltimore to St. Louis, returning Mon, Aug 18, priced at $147 found 16 hours ago

Tue, Jul 29 - Sun, Aug 24

BWI

Baltimore

STL

St. Louis

$149 Roundtrip, found 2 days ago

$149

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Tue, Jul 29 from Baltimore to St. Louis, returning Sun, Aug 24, priced at $149 found 2 days ago

Wed, Aug 6 - Sat, Aug 9

DCA

Washington

STL

St. Louis

$183 Roundtrip, found 4 hours ago

$183

Roundtrip

found 4 hours ago

Select United flight, departing Wed, Aug 6 from Washington to St. Louis, returning Sat, Aug 9, priced at $183 found 4 hours ago

Tue, Aug 5 - Tue, Aug 5

DCA

Washington

STL

St. Louis

$197 Roundtrip, just found

$197

Roundtrip

just found

Select Delta flight, departing Tue, Aug 5 from Washington to St. Louis, returning Tue, Aug 5, priced at $197 just found