$25 Cheap Frontier Airlines flights Ontario (ONT) to Las Vegas (LAS)

$25 Cheap Frontier Airlines flights Ontario (ONT) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $25 for one-way flights and $81 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 5 - Sun, Nov 30

ONT

Ontario

LAS

Las Vegas

$81 Roundtrip, found 3 days ago

$81

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Nov 5 from Ontario to Las Vegas, returning Sun, Nov 30, priced at $81 found 3 days ago

Tue, Oct 7 - Fri, Oct 10

ONT

Ontario

LAS

Las Vegas

$88 Roundtrip, found 9 hours ago

$88

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Tue, Oct 7 from Ontario to Las Vegas, returning Fri, Oct 10, priced at $88 found 9 hours ago

Thu, Sep 25 - Sun, Sep 28

ONT

Ontario

LAS

Las Vegas

$93 Roundtrip, found 6 days ago

$93

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Ontario to Las Vegas, returning Sun, Sep 28, priced at $93 found 6 days ago

Sun, Oct 5 - Thu, Oct 9

ONT

Ontario

LAS

Las Vegas

$98 Roundtrip, found 4 days ago

$98

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Oct 5 from Ontario to Las Vegas, returning Thu, Oct 9, priced at $98 found 4 days ago

Tue, Sep 23 - Sun, Sep 28

ONT

Ontario

LAS

Las Vegas

$99 Roundtrip, found 6 days ago

$99

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Sep 23 from Ontario to Las Vegas, returning Sun, Sep 28, priced at $99 found 6 days ago

Fri, Oct 10 - Sat, Oct 11

ONT

Ontario

LAS

Las Vegas

$107 Roundtrip, found 9 hours ago

$107

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Ontario to Las Vegas, returning Sat, Oct 11, priced at $107 found 9 hours ago