Flights from Baltimore to Washington

Cheapest flights from Baltimore

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 2 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$127 Roundtrip, found 6 days ago

$127

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sat, Aug 2 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Fri, Aug 8, priced at $127 found 6 days ago

Sat, Aug 2 - Thu, Aug 7

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$134 Roundtrip, found 6 days ago

$134

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sat, Aug 2 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Thu, Aug 7, priced at $134 found 6 days ago

Tue, Jul 29 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$172 Roundtrip, found 6 days ago

$172

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Tue, Jul 29 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Fri, Aug 8, priced at $172 found 6 days ago

Sat, Aug 2 - Wed, Aug 6

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$174 Roundtrip, found 6 days ago

$174

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sat, Aug 2 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Wed, Aug 6, priced at $174 found 6 days ago

Sat, Jul 26 - Thu, Jul 31

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$179 Roundtrip, found 21 hours ago

$179

Roundtrip

found 21 hours ago

Select Spirit Airlines flight, departing Sat, Jul 26 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Thu, Jul 31, priced at $179 found 21 hours ago

Wed, Jul 30 - Sun, Aug 3

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$181 Roundtrip, found 6 days ago

$181

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Jul 30 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $181 found 6 days ago

Mon, Jul 28 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$182 Roundtrip, found 6 days ago

$182

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 28 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Fri, Aug 8, priced at $182 found 6 days ago

Mon, Jul 28 - Sun, Aug 3

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$189 Roundtrip, found 6 days ago

$189

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 28 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $189 found 6 days ago

Thu, Jul 24 - Sun, Jul 27

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$194 Roundtrip, found 21 hours ago

$194

Roundtrip

found 21 hours ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sun, Jul 27, priced at $194 found 21 hours ago

Sun, Jul 27 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$197 Roundtrip, found 6 days ago

$197

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Jul 27 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Fri, Aug 8, priced at $197 found 6 days ago

Fri, Aug 1 - Sun, Aug 3

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$201 Roundtrip, found 6 days ago

$201

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Fri, Aug 1 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $201 found 6 days ago

Sun, Jul 27 - Sun, Aug 3

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$204 Roundtrip, found 6 days ago

$204

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sun, Jul 27 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $204 found 6 days ago

Thu, Jul 24 - Thu, Jul 31

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$209 Roundtrip, found 21 hours ago

$209

Roundtrip

found 21 hours ago

Select Spirit Airlines flight, departing Thu, Jul 24 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Thu, Jul 31, priced at $209 found 21 hours ago

Sat, Aug 2 - Sun, Aug 3

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$213 Roundtrip, found 6 days ago

$213

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sat, Aug 2 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sun, Aug 3, priced at $213 found 6 days ago

Sat, Jul 26 - Wed, Jul 30

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$214 Roundtrip, found 21 hours ago

$214

Roundtrip

found 21 hours ago

Select Spirit Airlines flight, departing Sat, Jul 26 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Wed, Jul 30, priced at $214 found 21 hours ago

Tue, Aug 12 - Tue, Aug 19

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$217 Roundtrip, found 4 days ago

$217

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Aug 12 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Tue, Aug 19, priced at $217 found 4 days ago

Tue, Jul 29 - Tue, Aug 5

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$217 Roundtrip, found 6 days ago

$217

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Tue, Jul 29 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $217 found 6 days ago

Thu, Jul 24 - Sat, Jul 26

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$253 Roundtrip, found 21 hours ago

$253

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Sat, Jul 26, priced at $253 found 21 hours ago

Mon, Aug 18 - Mon, Aug 18

DCA

Ronald Reagan Washington National

STL

Lambert-St. Louis Intl.

$267 Roundtrip, found 4 days ago

$267

Roundtrip

found 4 days ago

Select American Airlines flight, departing Mon, Aug 18 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Aug 18, priced at $267 found 4 days ago

Fri, Jul 25 - Mon, Jul 28

BWI

Baltimore Washington Intl. Thurgood Marshall

STL

Lambert-St. Louis Intl.

$468 Roundtrip, just found

$468

Roundtrip

just found

Select United flight, departing Fri, Jul 25 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Mon, Jul 28, priced at $468 just found