$77 Cheap Frontier Airlines flights St. Louis (STL) to Baltimore (BWI)

$77 Cheap Frontier Airlines flights St. Louis (STL) to Baltimore (BWI)

Prices were available within the past 7 days and start at $77 for one-way flights and $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 14 - Sun, Jan 25

STL

St. Louis

BWI

Baltimore

$274 Roundtrip, found 22 hours ago

$274

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Wed, Jan 14 from St. Louis to Baltimore, returning Sun, Jan 25, priced at $274 found 22 hours ago

Mon, Jan 12 - Sun, Jan 25

STL

St. Louis

BWI

Baltimore

$284 Roundtrip, found 22 hours ago

$284

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from St. Louis to Baltimore, returning Sun, Jan 25, priced at $284 found 22 hours ago

Thu, Jan 15 - Sun, Jan 25

STL

St. Louis

BWI

Baltimore

$312 Roundtrip, found 22 hours ago

$312

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Thu, Jan 15 from St. Louis to Baltimore, returning Sun, Jan 25, priced at $312 found 22 hours ago