$137 Cheap Frontier Airlines flights Baltimore (BWI) to Boston (BOS)

$137 Cheap Frontier Airlines flights Baltimore (BWI) to Boston (BOS)

Prices were available within the past 7 days and start at $137 for one-way flights and $155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 26 - Mon, Mar 9

BWI

Baltimore

BOS

Boston

$155 Roundtrip, found 1 day ago

$155

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Baltimore to Boston, returning Mon, Mar 9, priced at $155 found 1 day ago

Sat, Feb 14 - Mon, Feb 23

BWI

Baltimore

BOS

Boston

$172 Roundtrip, found 1 day ago

$172

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Feb 14 from Baltimore to Boston, returning Mon, Feb 23, priced at $172 found 1 day ago

Thu, Feb 19 - Mon, Feb 23

BWI

Baltimore

BOS

Boston

$176 Roundtrip, found 4 days ago

$176

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Feb 19 from Baltimore to Boston, returning Mon, Feb 23, priced at $176 found 4 days ago

Thu, Feb 19 - Sat, Feb 21

BWI

Baltimore

BOS

Boston

$187 Roundtrip, found 4 days ago

$187

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Feb 19 from Baltimore to Boston, returning Sat, Feb 21, priced at $187 found 4 days ago

Thu, Feb 19 - Sat, Feb 28

BWI

Baltimore

BOS

Boston

$214 Roundtrip, found 4 days ago

$214

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Feb 19 from Baltimore to Boston, returning Sat, Feb 28, priced at $214 found 4 days ago