$64 Cheap Frontier Airlines flights Las Vegas (LAS) to Ontario (ONT)

$64 Cheap Frontier Airlines flights Las Vegas (LAS) to Ontario (ONT)

Prices were available within the past 7 days and start at $64 for one-way flights and $111 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 22 - Tue, Aug 5

LAS

Las Vegas

ONT

Ontario

$111 Roundtrip, found 16 hours ago

$111

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Tue, Jul 22 from Las Vegas to Ontario, returning Tue, Aug 5, priced at $111 found 16 hours ago

Tue, Jul 22 - Tue, Aug 5

LAS

Las Vegas

ONT

Ontario

$122 Roundtrip, found 16 hours ago

$122

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Tue, Jul 22 from Las Vegas to Ontario, returning Tue, Aug 5, priced at $122 found 16 hours ago

Tue, Jul 22 - Sun, Aug 3

LAS

Las Vegas

ONT

Ontario

$128 Roundtrip, found 16 hours ago

$128

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Tue, Jul 22 from Las Vegas to Ontario, returning Sun, Aug 3, priced at $128 found 16 hours ago

Sat, Jul 19 - Tue, Aug 5

LAS

Las Vegas

ONT

Ontario

$131 Roundtrip, found 16 hours ago

$131

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Las Vegas to Ontario, returning Tue, Aug 5, priced at $131 found 16 hours ago

Tue, Jul 22 - Thu, Aug 7

LAS

Las Vegas

ONT

Ontario

$132 Roundtrip, found 16 hours ago

$132

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Tue, Jul 22 from Las Vegas to Ontario, returning Thu, Aug 7, priced at $132 found 16 hours ago

Tue, Jul 22 - Sat, Aug 2

LAS

Las Vegas

ONT

Ontario

$137 Roundtrip, found 16 hours ago

$137

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Tue, Jul 22 from Las Vegas to Ontario, returning Sat, Aug 2, priced at $137 found 16 hours ago

Sat, Jul 19 - Thu, Aug 7

LAS

Las Vegas

ONT

Ontario

$141 Roundtrip, found 16 hours ago

$141

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Las Vegas to Ontario, returning Thu, Aug 7, priced at $141 found 16 hours ago

Sat, Jul 19 - Sat, Aug 2

LAS

Las Vegas

ONT

Ontario

$146 Roundtrip, found 16 hours ago

$146

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Las Vegas to Ontario, returning Sat, Aug 2, priced at $146 found 16 hours ago

Tue, Jul 22 - Tue, Aug 5

LAS

Las Vegas

ONT

Ontario

$164 Roundtrip, found 16 hours ago

$164

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Tue, Jul 22 from Las Vegas to Ontario, returning Tue, Aug 5, priced at $164 found 16 hours ago