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 10 hours ago

$224

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Tue, Dec 30 from Tucson to Ontario, returning Sun, Jan 4, priced at $224 found 10 hours ago

Sun, Dec 28 - Thu, Jan 8

TUS

Tucson

ONT

Ontario

$242 Roundtrip, found 10 hours ago

$242

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Tucson to Ontario, returning Thu, Jan 8, priced at $242 found 10 hours ago

Sun, Dec 28 - Sun, Jan 4

TUS

Tucson

ONT

Ontario

$243 Roundtrip, found 10 hours ago

$243

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Tucson to Ontario, returning Sun, Jan 4, priced at $243 found 10 hours ago

Mon, Dec 29 - Sun, Jan 4

TUS

Tucson

ONT

Ontario

$253 Roundtrip, found 10 hours ago

$253

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Tucson to Ontario, returning Sun, Jan 4, priced at $253 found 10 hours ago

Mon, Dec 29 - Thu, Jan 8

TUS

Tucson

ONT

Ontario

$302 Roundtrip, found 2 hours ago

$302

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Tucson to Ontario, returning Thu, Jan 8, priced at $302 found 2 hours ago

Mon, Dec 29 - Sun, Jan 11

TUS

Tucson

ONT

Ontario

$337 Roundtrip, found 2 hours ago

$337

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Tucson to Ontario, returning Sun, Jan 11, priced at $337 found 2 hours ago