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

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

Prices were available within the past 7 days and start at for one-way flights and $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 20 - Wed, Dec 31

ONT

Ontario

LGA

New York

$327 Roundtrip, found 11 hours ago

$327

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Dec 20 from Ontario to New York, returning Wed, Dec 31, priced at $327 found 11 hours ago

Sat, Nov 29 - Wed, Dec 3

ONT

Ontario

LGA

New York

$344 Roundtrip, found 4 days ago

$344

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Nov 29 from Ontario to New York, returning Wed, Dec 3, priced at $344 found 4 days ago

Fri, Dec 19 - Wed, Dec 31

ONT

Ontario

LGA

New York

$387 Roundtrip, found 11 hours ago

$387

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, Dec 19 from Ontario to New York, returning Wed, Dec 31, priced at $387 found 11 hours ago

Sat, Dec 20 - Sat, Jan 3

ONT

Ontario

LGA

New York

$389 Roundtrip, found 11 hours ago

$389

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Dec 20 from Ontario to New York, returning Sat, Jan 3, priced at $389 found 11 hours ago

Mon, Dec 22 - Wed, Dec 24

ONT

Ontario

LGA

New York

$419 Roundtrip, found 2 days ago

$419

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Dec 22 from Ontario to New York, returning Wed, Dec 24, priced at $419 found 2 days ago

Fri, Dec 19 - Sat, Jan 3

ONT

Ontario

LGA

New York

$449 Roundtrip, found 11 hours ago

$449

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, Dec 19 from Ontario to New York, returning Sat, Jan 3, priced at $449 found 11 hours ago

Fri, Dec 19 - Mon, Dec 29

ONT

Ontario

LGA

New York

$519 Roundtrip, found 2 days ago

$519

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Dec 19 from Ontario to New York, returning Mon, Dec 29, priced at $519 found 2 days ago

Mon, Dec 22 - Sat, Dec 27

ONT

Ontario

LGA

New York

$567 Roundtrip, found 2 days ago

$567

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Dec 22 from Ontario to New York, returning Sat, Dec 27, priced at $567 found 2 days ago

Fri, Dec 19 - Sat, Dec 27

ONT

Ontario

LGA

New York

$597 Roundtrip, found 2 days ago

$597

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Dec 19 from Ontario to New York, returning Sat, Dec 27, priced at $597 found 2 days ago