$83 Cheap Frontier Airlines flights Chicago (ORD) to Boston (BOS)

$83 Cheap Frontier Airlines flights Chicago (ORD) to Boston (BOS)

Prices were available within the past 7 days and start at $83 for one-way flights and $142 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 18 - Sat, Nov 1

ORD

Chicago

BOS

Boston

$142 Roundtrip, found 3 days ago

$142

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Chicago to Boston, returning Sat, Nov 1, priced at $142 found 3 days ago

Sat, Oct 18 - Mon, Nov 3

ORD

Chicago

BOS

Boston

$154 Roundtrip, found 3 days ago

$154

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Chicago to Boston, returning Mon, Nov 3, priced at $154 found 3 days ago

Sat, Oct 18 - Sat, Nov 1

ORD

Chicago

BOS

Boston

$172 Roundtrip, found 3 days ago

$172

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Chicago to Boston, returning Sat, Nov 1, priced at $172 found 3 days ago