$322 Cheap Frontier Airlines flights Ontario (ONT) to Buffalo (BUF)

$322 Cheap Frontier Airlines flights Ontario (ONT) to Buffalo (BUF)

Prices were available within the past 7 days and start at $322 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 28 - Fri, Aug 1

ONT

Ontario

BUF

Buffalo

$339 Roundtrip, found 19 hours ago

$339

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Ontario to Buffalo, returning Fri, Aug 1, priced at $339 found 19 hours ago

Fri, Jul 25 - Fri, Aug 1

ONT

Ontario

BUF

Buffalo

$494 Roundtrip, found 19 hours ago

$494

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Ontario to Buffalo, returning Fri, Aug 1, priced at $494 found 19 hours ago

Mon, Jul 28 - Wed, Jul 30

ONT

Ontario

BUF

Buffalo

$671 Roundtrip, found 19 hours ago

$671

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Ontario to Buffalo, returning Wed, Jul 30, priced at $671 found 19 hours ago

Fri, Jul 25 - Fri, Aug 1

ONT

Ontario

BUF

Buffalo

$691 Roundtrip, found 19 hours ago

$691

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Ontario to Buffalo, returning Fri, Aug 1, priced at $691 found 19 hours ago