$66 Cheap Frontier Airlines flights Las Vegas (LAS) to Ontario (ONT)

$66 Cheap Frontier Airlines flights Las Vegas (LAS) to Ontario (ONT)

Prices were available within the past 7 days and start at $66 for one-way flights and $90 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 27 - Thu, Oct 30

LAS

Las Vegas

ONT

Ontario

$90 Roundtrip, found 21 hours ago

$90

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Las Vegas to Ontario, returning Thu, Oct 30, priced at $90 found 21 hours ago

Sun, Oct 26 - Thu, Oct 30

LAS

Las Vegas

ONT

Ontario

$106 Roundtrip, found 21 hours ago

$106

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sun, Oct 26 from Las Vegas to Ontario, returning Thu, Oct 30, priced at $106 found 21 hours ago

Fri, Oct 24 - Thu, Oct 30

LAS

Las Vegas

ONT

Ontario

$111 Roundtrip, found 21 hours ago

$111

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Las Vegas to Ontario, returning Thu, Oct 30, priced at $111 found 21 hours ago

Sun, Oct 26 - Thu, Oct 30

LAS

Las Vegas

ONT

Ontario

$120 Roundtrip, found 21 hours ago

$120

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sun, Oct 26 from Las Vegas to Ontario, returning Thu, Oct 30, priced at $120 found 21 hours ago

Sun, Oct 26 - Thu, Oct 30

LAS

Las Vegas

ONT

Ontario

$124 Roundtrip, found 21 hours ago

$124

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sun, Oct 26 from Las Vegas to Ontario, returning Thu, Oct 30, priced at $124 found 21 hours ago

Fri, Oct 24 - Fri, Oct 31

LAS

Las Vegas

ONT

Ontario

$132 Roundtrip, found 21 hours ago

$132

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Las Vegas to Ontario, returning Fri, Oct 31, priced at $132 found 21 hours ago

Sun, Oct 26 - Thu, Oct 30

LAS

Las Vegas

ONT

Ontario

$138 Roundtrip, found 21 hours ago

$138

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sun, Oct 26 from Las Vegas to Ontario, returning Thu, Oct 30, priced at $138 found 21 hours ago

Sun, Oct 26 - Thu, Oct 30

LAS

Las Vegas

ONT

Ontario

$162 Roundtrip, found 21 hours ago

$162

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sun, Oct 26 from Las Vegas to Ontario, returning Thu, Oct 30, priced at $162 found 21 hours ago