$85 Cheap Frontier Airlines flights Ontario (ONT) to Phoenix (PHX)

$85 Cheap Frontier Airlines flights Ontario (ONT) to Phoenix (PHX)

Prices were available within the past 7 days and start at $85 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 24 - Tue, Jul 8

ONT

Ontario

PHX

Phoenix

$170 Roundtrip, found 1 day ago

$170

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 24 from Ontario to Phoenix, returning Tue, Jul 8, priced at $170 found 1 day ago

Fri, Jun 27 - Tue, Jul 8

ONT

Ontario

PHX

Phoenix

$185 Roundtrip, found 1 day ago

$185

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jun 27 from Ontario to Phoenix, returning Tue, Jul 8, priced at $185 found 1 day ago