Cheap Frontier Airlines flights Denver (DEN) to Boise (BOI)

Cheap Frontier Airlines flights Denver (DEN) to Boise (BOI)

Prices were available within the past 7 days and start at for one-way flights and $146 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 17 - Thu, Jul 24

DEN

Denver

BOI

Boise

$146 Roundtrip, found 21 hours ago

$146

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Thu, Jul 17 from Denver to Boise, returning Thu, Jul 24, priced at $146 found 21 hours ago