$105 Cheap Frontier Airlines flights Las Vegas (LAS) to Ontario (ONT)

$105 Cheap Frontier Airlines flights Las Vegas (LAS) to Ontario (ONT)

Prices were available within the past 7 days and start at $105 for one-way flights and $68 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 3 - Tue, Dec 9

LAS

Las Vegas

ONT

Ontario

$68 Roundtrip, found 1 day ago

$68

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 3 from Las Vegas to Ontario, returning Tue, Dec 9, priced at $68 found 1 day ago

Wed, Dec 3 - Sat, Dec 6

LAS

Las Vegas

ONT

Ontario

$70 Roundtrip, found 1 day ago

$70

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 3 from Las Vegas to Ontario, returning Sat, Dec 6, priced at $70 found 1 day ago

Thu, Dec 4 - Sat, Dec 6

LAS

Las Vegas

ONT

Ontario

$72 Roundtrip, found 1 day ago

$72

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 4 from Las Vegas to Ontario, returning Sat, Dec 6, priced at $72 found 1 day ago

Wed, Dec 3 - Sun, Dec 7

LAS

Las Vegas

ONT

Ontario

$81 Roundtrip, found 1 day ago

$81

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 3 from Las Vegas to Ontario, returning Sun, Dec 7, priced at $81 found 1 day ago

Thu, Dec 4 - Sun, Dec 7

LAS

Las Vegas

ONT

Ontario

$83 Roundtrip, found 1 day ago

$83

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 4 from Las Vegas to Ontario, returning Sun, Dec 7, priced at $83 found 1 day ago

Tue, Dec 2 - Tue, Dec 9

LAS

Las Vegas

ONT

Ontario

$88 Roundtrip, found 1 day ago

$88

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 2 from Las Vegas to Ontario, returning Tue, Dec 9, priced at $88 found 1 day ago