$169 Cheap Frontier Airlines flights Boise (BOI) to Chicago (ORD)

$169 Cheap Frontier Airlines flights Boise (BOI) to Chicago (ORD)

Prices were available within the past 7 days and start at $169 for one-way flights and $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 9 - Sun, Oct 12

BOI

Boise

ORD

Chicago

$260 Roundtrip, found 4 hours ago

$260

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Boise to Chicago, returning Sun, Oct 12, priced at $260 found 4 hours ago

Fri, Sep 19 - Mon, Sep 22

BOI

Boise

ORD

Chicago

$288 Roundtrip, found 6 days ago

$288

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Boise to Chicago, returning Mon, Sep 22, priced at $288 found 6 days ago

Thu, Sep 18 - Fri, Sep 19

BOI

Boise

ORD

Chicago

$326 Roundtrip, found 6 days ago

$326

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Boise to Chicago, returning Fri, Sep 19, priced at $326 found 6 days ago