$114 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

$114 Cheap Frontier Airlines flights Atlanta (ATL) to Ontario (ONT)

Prices were available within the past 7 days and start at $114 for one-way flights and $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 24 - Sat, Jun 7

ATL

Atlanta

ONT

Ontario

$208 Roundtrip, found 5 days ago

$208

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 24 from Atlanta to Ontario, returning Sat, Jun 7, priced at $208 found 5 days ago

Fri, May 30 - Sat, Jun 7

ATL

Atlanta

ONT

Ontario

$218 Roundtrip, found 5 days ago

$218

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, May 30 from Atlanta to Ontario, returning Sat, Jun 7, priced at $218 found 5 days ago

Fri, May 30 - Fri, Jun 6

ATL

Atlanta

ONT

Ontario

$228 Roundtrip, found 5 days ago

$228

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Fri, May 30 from Atlanta to Ontario, returning Fri, Jun 6, priced at $228 found 5 days ago

Sun, May 25 - Sat, Jun 7

ATL

Atlanta

ONT

Ontario

$238 Roundtrip, found 5 days ago

$238

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, May 25 from Atlanta to Ontario, returning Sat, Jun 7, priced at $238 found 5 days ago

Sun, May 25 - Fri, Jun 6

ATL

Atlanta

ONT

Ontario

$248 Roundtrip, found 5 days ago

$248

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, May 25 from Atlanta to Ontario, returning Fri, Jun 6, priced at $248 found 5 days ago

Wed, Oct 29 - Mon, Nov 3

ATL

Atlanta

ONT

Ontario

$250 Roundtrip, found 10 hours ago

$250

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Wed, Oct 29 from Atlanta to Ontario, returning Mon, Nov 3, priced at $250 found 10 hours ago