$114 Cheap Frontier Airlines flights Chicago (ORD) to Boston (BOS)

$114 Cheap Frontier Airlines flights Chicago (ORD) to Boston (BOS)

Prices were available within the past 7 days and start at $114 for one-way flights and $174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 15 - Mon, May 19

ORD

Chicago

BOS

Boston

$174 Roundtrip, found 1 day ago

$174

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, May 15 from Chicago to Boston, returning Mon, May 19, priced at $174 found 1 day ago

Sat, May 17 - Thu, May 22

ORD

Chicago

BOS

Boston

$221 Roundtrip, found 1 day ago

$221

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 17 from Chicago to Boston, returning Thu, May 22, priced at $221 found 1 day ago