$70 Cheap Spirit Airlines flights Boston (BOS) to Chicago (CHI)

$70 Cheap Spirit Airlines flights Boston (BOS) to Chicago (CHI)

Prices were available within the past 7 days and start at $70 for one-way flights and $134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 15 - Mon, Oct 27

BOS

Boston

ORD

Chicago

$134 Roundtrip, found 5 days ago

$134

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Wed, Oct 15 from Boston to Chicago, returning Mon, Oct 27, priced at $134 found 5 days ago

Tue, Dec 16 - Wed, Dec 17

BOS

Boston

ORD

Chicago

$140 Roundtrip, found 1 hour ago

$140

Roundtrip

found 1 hour ago

Select Spirit Airlines flight, departing Tue, Dec 16 from Boston to Chicago, returning Wed, Dec 17, priced at $140 found 1 hour ago

Wed, Oct 15 - Sun, Oct 19

BOS

Boston

ORD

Chicago

$156 Roundtrip, found 2 hours ago

$156

Roundtrip

found 2 hours ago

Select Spirit Airlines flight, departing Wed, Oct 15 from Boston to Chicago, returning Sun, Oct 19, priced at $156 found 2 hours ago