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 $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 30 - Sun, Jan 4

TUS

Tucson

ONT

Ontario

$224 Roundtrip, found 7 hours ago

$224

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Dec 30 from Tucson to Ontario, returning Sun, Jan 4, priced at $224 found 7 hours ago

Sun, Dec 28 - Thu, Jan 8

TUS

Tucson

ONT

Ontario

$242 Roundtrip, found 7 hours ago

$242

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Tucson to Ontario, returning Thu, Jan 8, priced at $242 found 7 hours ago

Sun, Dec 28 - Sun, Jan 4

TUS

Tucson

ONT

Ontario

$243 Roundtrip, found 7 hours ago

$243

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Tucson to Ontario, returning Sun, Jan 4, priced at $243 found 7 hours ago

Mon, Dec 29 - Thu, Jan 8

TUS

Tucson

ONT

Ontario

$252 Roundtrip, found 7 hours ago

$252

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Tucson to Ontario, returning Thu, Jan 8, priced at $252 found 7 hours ago

Mon, Dec 29 - Sun, Jan 4

TUS

Tucson

ONT

Ontario

$253 Roundtrip, found 7 hours ago

$253

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Tucson to Ontario, returning Sun, Jan 4, priced at $253 found 7 hours ago