$133 Cheap Frontier Airlines flights New York (LGA) to Ontario Intl. Airport (ONT)

$133 Cheap Frontier Airlines flights New York (LGA) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $133 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 17 - Sat, Aug 29

LGA

New York

ONT

Ontario

$254 Roundtrip, found 2 days ago

$254

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Aug 17 from New York to Ontario, returning Sat, Aug 29, priced at $254 found 2 days ago

Mon, Aug 17 - Wed, Sep 2

LGA

New York

ONT

Ontario

$307 Roundtrip, found 2 days ago

$307

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Aug 17 from New York to Ontario, returning Wed, Sep 2, priced at $307 found 2 days ago

Fri, Aug 21 - Sat, Sep 5

LGA

New York

ONT

Ontario

$315 Roundtrip, found 2 days ago

$315

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 21 from New York to Ontario, returning Sat, Sep 5, priced at $315 found 2 days ago

Mon, Aug 17 - Thu, Sep 3

LGA

New York

ONT

Ontario

$316 Roundtrip, found 2 days ago

$316

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Aug 17 from New York to Ontario, returning Thu, Sep 3, priced at $316 found 2 days ago

Wed, Aug 5 - Sat, Aug 22

LGA

New York

ONT

Ontario

$345 Roundtrip, found 2 days ago

$345

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Aug 5 from New York to Ontario, returning Sat, Aug 22, priced at $345 found 2 days ago

Mon, Aug 10 - Sat, Aug 22

LGA

New York

ONT

Ontario

$346 Roundtrip, found 2 days ago

$346

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Aug 10 from New York to Ontario, returning Sat, Aug 22, priced at $346 found 2 days ago