$83 Cheap Frontier Airlines flights Baltimore (BWI) to St. Louis (STL)

$83 Cheap Frontier Airlines flights Baltimore (BWI) to St. Louis (STL)

Prices were available within the past 7 days and start at $83 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 23 - Fri, Oct 24

BWI

Baltimore

STL

St. Louis

$154 Roundtrip, found 4 days ago

$154

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Oct 23 from Baltimore to St. Louis, returning Fri, Oct 24, priced at $154 found 4 days ago

Sat, Oct 18 - Mon, Oct 20

BWI

Baltimore

STL

St. Louis

$168 Roundtrip, found 4 days ago

$168

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Baltimore to St. Louis, returning Mon, Oct 20, priced at $168 found 4 days ago

Fri, Oct 17 - Mon, Oct 20

BWI

Baltimore

STL

St. Louis

$182 Roundtrip, found 4 days ago

$182

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Oct 17 from Baltimore to St. Louis, returning Mon, Oct 20, priced at $182 found 4 days ago

Sun, Oct 19 - Fri, Oct 24

BWI

Baltimore

STL

St. Louis

$200 Roundtrip, found 4 days ago

$200

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Oct 19 from Baltimore to St. Louis, returning Fri, Oct 24, priced at $200 found 4 days ago

Sun, Oct 19 - Mon, Oct 20

BWI

Baltimore

STL

St. Louis

$214 Roundtrip, found 4 days ago

$214

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Oct 19 from Baltimore to St. Louis, returning Mon, Oct 20, priced at $214 found 4 days ago

Sun, Oct 19 - Sun, Oct 26

BWI

Baltimore

STL

St. Louis

$246 Roundtrip, found 4 days ago

$246

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Oct 19 from Baltimore to St. Louis, returning Sun, Oct 26, priced at $246 found 4 days ago

Fri, Dec 5 - Wed, Dec 10

BWI

Baltimore

STL

St. Louis

$274 Roundtrip, found 6 days ago

$274

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Dec 5 from Baltimore to St. Louis, returning Wed, Dec 10, priced at $274 found 6 days ago