$96 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

$96 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

Prices were available within the past 7 days and start at $96 for one-way flights and $192 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 22 - Mon, Jan 26

ATL

Atlanta

ONT

Ontario

$192 Roundtrip, found 1 day ago

$192

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jan 22 from Atlanta to Ontario, returning Mon, Jan 26, priced at $192 found 1 day ago

Sun, Jan 18 - Thu, Jan 22

ATL

Atlanta

ONT

Ontario

$278 Roundtrip, found 3 days ago

$278

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Jan 18 from Atlanta to Ontario, returning Thu, Jan 22, priced at $278 found 3 days ago

Thu, Dec 25 - Wed, Dec 31

ATL

Atlanta

ONT

Ontario

$294 Roundtrip, found 1 day ago

$294

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Atlanta to Ontario, returning Wed, Dec 31, priced at $294 found 1 day ago

Thu, Dec 25 - Thu, Jan 1

ATL

Atlanta

ONT

Ontario

$314 Roundtrip, found 1 day ago

$314

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Atlanta to Ontario, returning Thu, Jan 1, priced at $314 found 1 day ago

Thu, Dec 25 - Mon, Dec 29

ATL

Atlanta

ONT

Ontario

$343 Roundtrip, found 1 day ago

$343

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Atlanta to Ontario, returning Mon, Dec 29, priced at $343 found 1 day ago

Thu, Dec 25 - Tue, Dec 30

ATL

Atlanta

ONT

Ontario

$373 Roundtrip, found 1 day ago

$373

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Atlanta to Ontario, returning Tue, Dec 30, priced at $373 found 1 day ago