Cheap Flights to St. Mary's County from $55

How much is the cheapest flight to St. Mary's County?

Prices were available within the past 7 days and start at $55 for one-way flights and $113 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 12 - Sat, May 16

DEN

Denver

DCA

Washington

$113 Roundtrip, found 3 hours ago

$113

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Tue, May 12 from Denver to Washington, returning Sat, May 16, priced at $113 found 3 hours ago

Tue, Jun 2 - Tue, Jun 9

BOS

Boston

DCA

Washington

$117 Roundtrip, just found

$117

Roundtrip

just found

Select American Airlines flight, departing Tue, Jun 2 from Boston to Washington, returning Tue, Jun 9, priced at $117 just found

Tue, Jun 2 - Tue, Jun 9

BOS

Boston

DCA

Washington

$117 Roundtrip, just found

$117

Roundtrip

just found

Select Delta flight, departing Tue, Jun 2 from Boston to Washington, returning Tue, Jun 9, priced at $117 just found

Wed, May 13 - Sat, May 16

DEN

Denver

DCA

Washington

$118 Roundtrip, just found

$118

Roundtrip

just found

Select Frontier Airlines flight, departing Wed, May 13 from Denver to Washington, returning Sat, May 16, priced at $118 just found

Tue, Jun 9 - Tue, Jun 16

BOS

Boston

DCA

Washington

$127 Roundtrip, found 20 hours ago

$127

Roundtrip

found 20 hours ago

Select JetBlue Airways flight, departing Tue, Jun 9 from Boston to Washington, returning Tue, Jun 16, priced at $127 found 20 hours ago

Tue, May 5 - Tue, May 12

DEN

Denver

DCA

Washington

$128 Roundtrip, found 3 hours ago

$128

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Tue, May 5 from Denver to Washington, returning Tue, May 12, priced at $128 found 3 hours ago

Fri, May 8 - Sat, May 16

DEN

Denver

DCA

Washington

$133 Roundtrip, found 1 hour ago

$133

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, May 8 from Denver to Washington, returning Sat, May 16, priced at $133 found 1 hour ago

Thu, Apr 30 - Tue, May 5

TPA

Tampa

DCA

Washington

$140 Roundtrip, found 1 hour ago

$140

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Thu, Apr 30 from Tampa to Washington, returning Tue, May 5, priced at $140 found 1 hour ago

Fri, May 1 - Sat, May 2

MCO

Orlando

DCA

Washington

$140 Roundtrip, found 1 hour ago

$140

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, May 1 from Orlando to Washington, returning Sat, May 2, priced at $140 found 1 hour ago

Wed, Apr 29 - Tue, May 5

FLL

Fort Lauderdale

DCA

Washington

$155 Roundtrip, just found

$155

Roundtrip

just found

Select Southwest Airlines flight, departing Wed, Apr 29 from Fort Lauderdale to Washington, returning Tue, May 5, priced at $155 just found