$41 Cheap Frontier Airlines flights Las Vegas (LAS) to Ontario (ONT)

$41 Cheap Frontier Airlines flights Las Vegas (LAS) to Ontario (ONT)

Prices were available within the past 7 days and start at $41 for one-way flights and $107 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 8 - Mon, Nov 10

LAS

Las Vegas

ONT

Ontario

$107 Roundtrip, found 6 days ago

$107

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Nov 8 from Las Vegas to Ontario, returning Mon, Nov 10, priced at $107 found 6 days ago

Thu, Nov 6 - Thu, Nov 13

LAS

Las Vegas

ONT

Ontario

$108 Roundtrip, found 6 days ago

$108

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Nov 6 from Las Vegas to Ontario, returning Thu, Nov 13, priced at $108 found 6 days ago

Sun, Nov 9 - Thu, Nov 13

LAS

Las Vegas

ONT

Ontario

$118 Roundtrip, found 6 days ago

$118

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Nov 9 from Las Vegas to Ontario, returning Thu, Nov 13, priced at $118 found 6 days ago

Fri, Nov 7 - Sun, Nov 16

LAS

Las Vegas

ONT

Ontario

$126 Roundtrip, found 6 days ago

$126

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Nov 7 from Las Vegas to Ontario, returning Sun, Nov 16, priced at $126 found 6 days ago

Sat, Nov 8 - Mon, Nov 10

LAS

Las Vegas

ONT

Ontario

$145 Roundtrip, found 6 days ago

$145

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Nov 8 from Las Vegas to Ontario, returning Mon, Nov 10, priced at $145 found 6 days ago

Sat, Nov 8 - Mon, Nov 10

LAS

Las Vegas

ONT

Ontario

$153 Roundtrip, found 6 days ago

$153

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Nov 8 from Las Vegas to Ontario, returning Mon, Nov 10, priced at $153 found 6 days ago

Sat, Nov 8 - Mon, Nov 10

LAS

Las Vegas

ONT

Ontario

$184 Roundtrip, found 6 days ago

$184

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Nov 8 from Las Vegas to Ontario, returning Mon, Nov 10, priced at $184 found 6 days ago

Sat, Nov 8 - Mon, Nov 10

LAS

Las Vegas

ONT

Ontario

$199 Roundtrip, found 6 days ago

$199

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Nov 8 from Las Vegas to Ontario, returning Mon, Nov 10, priced at $199 found 6 days ago