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

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

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 - Tue, Jun 23

LAS

Las Vegas

ONT

Ontario

$66 Roundtrip, found 12 hours ago

$66

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Tue, Jun 16 from Las Vegas to Ontario, returning Tue, Jun 23, priced at $66 found 12 hours ago

Tue, Jun 16 - Tue, Jun 23

LAS

Las Vegas

ONT

Ontario

$133 Roundtrip, found 12 hours ago

$133

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Tue, Jun 16 from Las Vegas to Ontario, returning Tue, Jun 23, priced at $133 found 12 hours ago

Thu, May 28 - Tue, Jun 2

LAS

Las Vegas

ONT

Ontario

$144 Roundtrip, found 5 days ago

$144

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, May 28 from Las Vegas to Ontario, returning Tue, Jun 2, priced at $144 found 5 days ago

Tue, May 26 - Thu, Jun 4

LAS

Las Vegas

ONT

Ontario

$158 Roundtrip, found 5 days ago

$158

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, May 26 from Las Vegas to Ontario, returning Thu, Jun 4, priced at $158 found 5 days ago

Tue, May 19 - Wed, Jun 3

LAS

Las Vegas

ONT

Ontario

$162 Roundtrip, found 5 days ago

$162

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, May 19 from Las Vegas to Ontario, returning Wed, Jun 3, priced at $162 found 5 days ago

Mon, May 25 - Tue, Jun 2

LAS

Las Vegas

ONT

Ontario

$169 Roundtrip, found 5 days ago

$169

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, May 25 from Las Vegas to Ontario, returning Tue, Jun 2, priced at $169 found 5 days ago