$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, found 3 hours ago

$140

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Thu, Jan 8 from Atlanta to Ontario, returning Mon, Jan 26, priced at $140 found 3 hours ago

Thu, Jan 8 - Fri, Jan 23

ATL

Atlanta

ONT

Ontario

$144 Roundtrip, found 3 hours ago

$144

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Thu, Jan 8 from Atlanta to Ontario, returning Fri, Jan 23, priced at $144 found 3 hours ago

Fri, Jan 9 - Fri, Jan 23

ATL

Atlanta

ONT

Ontario

$148 Roundtrip, found 3 hours ago

$148

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Fri, Jan 9 from Atlanta to Ontario, returning Fri, Jan 23, priced at $148 found 3 hours ago

Fri, Jan 9 - Thu, Jan 22

ATL

Atlanta

ONT

Ontario

$152 Roundtrip, found 3 hours ago

$152

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Fri, Jan 9 from Atlanta to Ontario, returning Thu, Jan 22, priced at $152 found 3 hours ago

Mon, Jan 5 - Mon, Jan 26

ATL

Atlanta

ONT

Ontario

$210 Roundtrip, found 3 hours ago

$210

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Atlanta to Ontario, returning Mon, Jan 26, priced at $210 found 3 hours ago

Mon, Jan 5 - Fri, Jan 23

ATL

Atlanta

ONT

Ontario

$214 Roundtrip, found 3 hours ago

$214

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Mon, Jan 5 from Atlanta to Ontario, returning Fri, Jan 23, priced at $214 found 3 hours ago