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

$33 Cheap Frontier Airlines flights Ontario Intl. Airport (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, Jun 16 - Wed, Jun 17

ONT

Ontario

LAS

Las Vegas

$66 Roundtrip, found 1 day ago

$66

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 16 from Ontario to Las Vegas, returning Wed, Jun 17, priced at $66 found 1 day ago

Wed, Jun 10 - Thu, Jun 18

ONT

Ontario

LAS

Las Vegas

$102 Roundtrip, found 3 days ago

$102

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Ontario to Las Vegas, returning Thu, Jun 18, priced at $102 found 3 days ago

Sun, Jun 7 - Tue, Jun 9

ONT

Ontario

LAS

Las Vegas

$117 Roundtrip, found 4 days ago

$117

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Jun 7 from Ontario to Las Vegas, returning Tue, Jun 9, priced at $117 found 4 days ago

Sun, Jun 14 - Tue, Jun 16

ONT

Ontario

LAS

Las Vegas

$118 Roundtrip, found 1 day ago

$118

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jun 14 from Ontario to Las Vegas, returning Tue, Jun 16, priced at $118 found 1 day ago

Wed, Jun 10 - Sun, Jun 21

ONT

Ontario

LAS

Las Vegas

$128 Roundtrip, found 3 days ago

$128

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Ontario to Las Vegas, returning Sun, Jun 21, priced at $128 found 3 days ago

Wed, Jun 10 - Mon, Jun 15

ONT

Ontario

LAS

Las Vegas

$129 Roundtrip, found 3 days ago

$129

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Ontario to Las Vegas, returning Mon, Jun 15, priced at $129 found 3 days ago