$33 Cheap Frontier Airlines flights Ontario (ONT) to Las Vegas (LAS)

$33 Cheap Frontier Airlines flights Ontario (ONT) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $33 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 28 - Wed, Apr 29

ONT

Ontario

LAS

Las Vegas

$66 Roundtrip, found 12 hours ago

$66

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Tue, Apr 28 from Ontario to Las Vegas, returning Wed, Apr 29, priced at $66 found 12 hours ago

Tue, May 12 - Fri, May 15

ONT

Ontario

LAS

Las Vegas

$71 Roundtrip, found 1 day ago

$71

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 12 from Ontario to Las Vegas, returning Fri, May 15, priced at $71 found 1 day ago

Mon, Apr 20 - Thu, Apr 23

ONT

Ontario

LAS

Las Vegas

$72 Roundtrip, found 3 days ago

$72

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Apr 20 from Ontario to Las Vegas, returning Thu, Apr 23, priced at $72 found 3 days ago

Sat, Apr 25 - Mon, Apr 27

ONT

Ontario

LAS

Las Vegas

$76 Roundtrip, found 4 hours ago

$76

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Sat, Apr 25 from Ontario to Las Vegas, returning Mon, Apr 27, priced at $76 found 4 hours ago

Tue, May 12 - Sat, May 16

ONT

Ontario

LAS

Las Vegas

$78 Roundtrip, found 1 day ago

$78

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 12 from Ontario to Las Vegas, returning Sat, May 16, priced at $78 found 1 day ago

Mon, Apr 27 - Wed, Apr 29

ONT

Ontario

LAS

Las Vegas

$82 Roundtrip, found 2 days ago

$82

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Apr 27 from Ontario to Las Vegas, returning Wed, Apr 29, priced at $82 found 2 days ago