Cheap Frontier Airlines flights Tucson (TUS) to Ontario (ONT)

Cheap Frontier Airlines flights Tucson (TUS) to Ontario (ONT)

Prices were available within the past 7 days and start at for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 29 - Fri, Oct 3

TUS

Tucson

ONT

Ontario

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Sep 29 from Tucson to Ontario, returning Fri, Oct 3, priced at $154 found 1 day ago