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 $76 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jan 18 - Thu, Jan 22

DEN

Denver

BOI

Boise

$76 Roundtrip, found 1 day ago

$76

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jan 18 from Denver to Boise, returning Thu, Jan 22, priced at $76 found 1 day ago

Thu, Jan 22 - Sun, Jan 25

DEN

Denver

BOI

Boise

$92 Roundtrip, found 1 day ago

$92

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 22 from Denver to Boise, returning Sun, Jan 25, priced at $92 found 1 day ago

Mon, Jan 19 - Thu, Jan 22

DEN

Denver

BOI

Boise

$132 Roundtrip, found 1 day ago

$132

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jan 19 from Denver to Boise, returning Thu, Jan 22, priced at $132 found 1 day ago