$210 Cheap Frontier Airlines flights Boise (BOI) to Chicago (ORD)

$210 Cheap Frontier Airlines flights Boise (BOI) to Chicago (ORD)

Prices were available within the past 7 days and start at $210 for one-way flights and $330 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 28 - Wed, Jun 3

BOI

Boise

ORD

Chicago

$330 Roundtrip, found 12 hours ago

$330

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Thu, May 28 from Boise to Chicago, returning Wed, Jun 3, priced at $330 found 12 hours ago

Thu, May 28 - Mon, Jun 8

BOI

Boise

ORD

Chicago

$350 Roundtrip, found 12 hours ago

$350

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Thu, May 28 from Boise to Chicago, returning Mon, Jun 8, priced at $350 found 12 hours ago

Sun, May 31 - Mon, Jun 8

BOI

Boise

ORD

Chicago

$370 Roundtrip, found 12 hours ago

$370

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sun, May 31 from Boise to Chicago, returning Mon, Jun 8, priced at $370 found 12 hours ago