$86 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

$86 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

Prices were available within the past 7 days and start at $86 for one-way flights and $158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Feb 3 - Wed, Feb 11

ATL

Atlanta

ONT

Ontario

$158 Roundtrip, found 1 day ago

$158

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Feb 3 from Atlanta to Ontario, returning Wed, Feb 11, priced at $158 found 1 day ago

Tue, Mar 3 - Sat, Mar 14

ATL

Atlanta

ONT

Ontario

$159 Roundtrip, found 6 days ago

$159

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Mar 3 from Atlanta to Ontario, returning Sat, Mar 14, priced at $159 found 6 days ago

Tue, Feb 10 - Wed, Feb 18

ATL

Atlanta

ONT

Ontario

$169 Roundtrip, found 3 days ago

$169

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Feb 10 from Atlanta to Ontario, returning Wed, Feb 18, priced at $169 found 3 days ago

Mon, Mar 2 - Sat, Mar 14

ATL

Atlanta

ONT

Ontario

$170 Roundtrip, found 6 days ago

$170

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Mar 2 from Atlanta to Ontario, returning Sat, Mar 14, priced at $170 found 6 days ago

Tue, Feb 3 - Sat, Feb 14

ATL

Atlanta

ONT

Ontario

$174 Roundtrip, found 1 day ago

$174

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Feb 3 from Atlanta to Ontario, returning Sat, Feb 14, priced at $174 found 1 day ago

Mon, Feb 9 - Thu, Feb 12

ATL

Atlanta

ONT

Ontario

$180 Roundtrip, found 3 days ago

$180

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Feb 9 from Atlanta to Ontario, returning Thu, Feb 12, priced at $180 found 3 days ago