$148 Cheap Frontier Airlines flights Boise (BOI) to Ontario (ONT)

$148 Cheap Frontier Airlines flights Boise (BOI) to Ontario (ONT)

Prices were available within the past 7 days and start at $148 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Nov 9 - Sun, Nov 23

BOI

Boise

ONT

Ontario

$297 Roundtrip, found 12 hours ago

$297

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sun, Nov 9 from Boise to Ontario, returning Sun, Nov 23, priced at $297 found 12 hours ago

Sun, Nov 9 - Sun, Nov 23

BOI

Boise

ONT

Ontario

$475 Roundtrip, found 12 hours ago

$475

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sun, Nov 9 from Boise to Ontario, returning Sun, Nov 23, priced at $475 found 12 hours ago