$126 Cheap Frontier Airlines flights Chicago (ORD) to Boston (BOS)

$126 Cheap Frontier Airlines flights Chicago (ORD) to Boston (BOS)

Prices were available within the past 7 days and start at $126 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 25 - Tue, Sep 8

ORD

Chicago

BOS

Boston

$224 Roundtrip, found 5 hours ago

$224

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Tue, Aug 25 from Chicago to Boston, returning Tue, Sep 8, priced at $224 found 5 hours ago

Thu, Aug 27 - Tue, Sep 1

ORD

Chicago

BOS

Boston

$238 Roundtrip, found 3 days ago

$238

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 27 from Chicago to Boston, returning Tue, Sep 1, priced at $238 found 3 days ago

Tue, Oct 13 - Wed, Nov 4

ORD

Chicago

BOS

Boston

$240 Roundtrip, found 2 days ago

$240

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Oct 13 from Chicago to Boston, returning Wed, Nov 4, priced at $240 found 2 days ago

Wed, Aug 5 - Sun, Aug 9

ORD

Chicago

BOS

Boston

$248 Roundtrip, found 4 days ago

$248

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Aug 5 from Chicago to Boston, returning Sun, Aug 9, priced at $248 found 4 days ago

Tue, Oct 13 - Sat, Oct 31

ORD

Chicago

BOS

Boston

$254 Roundtrip, found 2 days ago

$254

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Oct 13 from Chicago to Boston, returning Sat, Oct 31, priced at $254 found 2 days ago

Tue, Oct 13 - Mon, Nov 2

ORD

Chicago

BOS

Boston

$259 Roundtrip, found 2 days ago

$259

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Oct 13 from Chicago to Boston, returning Mon, Nov 2, priced at $259 found 2 days ago