$147 Cheap Frontier Airlines flights Boise (BOI) to Chicago (ORD)

$147 Cheap Frontier Airlines flights Boise (BOI) to Chicago (ORD)

Prices were available within the past 7 days and start at $147 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 15 - Sun, Jan 18

BOI

Boise

ORD

Chicago

$227 Roundtrip, found 20 hours ago

$227

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Thu, Jan 15 from Boise to Chicago, returning Sun, Jan 18, priced at $227 found 20 hours ago

Mon, Jan 12 - Thu, Jan 15

BOI

Boise

ORD

Chicago

$261 Roundtrip, found 20 hours ago

$261

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from Boise to Chicago, returning Thu, Jan 15, priced at $261 found 20 hours ago

Fri, Jan 9 - Sun, Jan 18

BOI

Boise

ORD

Chicago

$262 Roundtrip, found 20 hours ago

$262

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Jan 9 from Boise to Chicago, returning Sun, Jan 18, priced at $262 found 20 hours ago