$140 Cheap Frontier Airlines flights New York (LGA) to Ontario (ONT)

$140 Cheap Frontier Airlines flights New York (LGA) to Ontario (ONT)

Prices were available within the past 7 days and start at $140 for one-way flights and $282 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 27 - Sun, Aug 31

LGA

New York

ONT

Ontario

$282 Roundtrip, found 23 hours ago

$282

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Wed, Aug 27 from New York to Ontario, returning Sun, Aug 31, priced at $282 found 23 hours ago

Thu, Aug 28 - Sun, Aug 31

LGA

New York

ONT

Ontario

$302 Roundtrip, found 1 day ago

$302

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 28 from New York to Ontario, returning Sun, Aug 31, priced at $302 found 1 day ago

Wed, Aug 27 - Sun, Aug 31

LGA

New York

ONT

Ontario

$307 Roundtrip, found 23 hours ago

$307

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Wed, Aug 27 from New York to Ontario, returning Sun, Aug 31, priced at $307 found 23 hours ago

Thu, Aug 28 - Sun, Aug 31

LGA

New York

ONT

Ontario

$315 Roundtrip, found 1 day ago

$315

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 28 from New York to Ontario, returning Sun, Aug 31, priced at $315 found 1 day ago

Thu, Oct 9 - Sun, Oct 12

LGA

New York

ONT

Ontario

$339 Roundtrip, found 2 days ago

$339

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Oct 9 from New York to Ontario, returning Sun, Oct 12, priced at $339 found 2 days ago