$134 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

$134 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

Prices were available within the past 7 days and start at $134 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Sat, Aug 16

ATL

Atlanta

ONT

Ontario

$248 Roundtrip, found 9 hours ago

$248

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Atlanta to Ontario, returning Sat, Aug 16, priced at $248 found 9 hours ago

Fri, Aug 15 - Sat, Aug 16

ATL

Atlanta

ONT

Ontario

$258 Roundtrip, found 10 hours ago

$258

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Atlanta to Ontario, returning Sat, Aug 16, priced at $258 found 10 hours ago

Fri, Aug 8 - Mon, Aug 11

ATL

Atlanta

ONT

Ontario

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Atlanta to Ontario, returning Mon, Aug 11, priced at $268 found 2 days ago

Tue, Aug 5 - Tue, Aug 12

ATL

Atlanta

ONT

Ontario

$298 Roundtrip, found 9 hours ago

$298

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Atlanta to Ontario, returning Tue, Aug 12, priced at $298 found 9 hours ago

Sun, Aug 10 - Mon, Aug 11

ATL

Atlanta

ONT

Ontario

$308 Roundtrip, found 2 days ago

$308

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 10 from Atlanta to Ontario, returning Mon, Aug 11, priced at $308 found 2 days ago

Fri, Aug 8 - Sat, Aug 16

ATL

Atlanta

ONT

Ontario

$348 Roundtrip, found 9 hours ago

$348

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Atlanta to Ontario, returning Sat, Aug 16, priced at $348 found 9 hours ago