$116 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

$116 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

Prices were available within the past 7 days and start at $116 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 8 - Mon, Jan 26

ATL

Atlanta

ONT

Ontario

$140 Roundtrip, just found

$140

Roundtrip

just found

Select Frontier Airlines flight, departing Thu, Jan 8 from Atlanta to Ontario, returning Mon, Jan 26, priced at $140 just found

Thu, Jan 8 - Fri, Jan 23

ATL

Atlanta

ONT

Ontario

$144 Roundtrip, just found

$144

Roundtrip

just found

Select Frontier Airlines flight, departing Thu, Jan 8 from Atlanta to Ontario, returning Fri, Jan 23, priced at $144 just found

Fri, Jan 9 - Fri, Jan 23

ATL

Atlanta

ONT

Ontario

$148 Roundtrip, just found

$148

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Jan 9 from Atlanta to Ontario, returning Fri, Jan 23, priced at $148 just found

Fri, Jan 9 - Thu, Jan 22

ATL

Atlanta

ONT

Ontario

$152 Roundtrip, just found

$152

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Jan 9 from Atlanta to Ontario, returning Thu, Jan 22, priced at $152 just found

Mon, Jan 5 - Mon, Jan 26

ATL

Atlanta

ONT

Ontario

$210 Roundtrip, just found

$210

Roundtrip

just found

Select Frontier Airlines flight, departing Mon, Jan 5 from Atlanta to Ontario, returning Mon, Jan 26, priced at $210 just found

Mon, Jan 5 - Fri, Jan 23

ATL

Atlanta

ONT

Ontario

$214 Roundtrip, just found

$214

Roundtrip

just found

Select Frontier Airlines flight, departing Mon, Jan 5 from Atlanta to Ontario, returning Fri, Jan 23, priced at $214 just found