$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 $62 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 18 - Sun, Oct 19

ONT

Ontario

LAS

Las Vegas

$62 Roundtrip, found 5 days ago

$62

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Ontario to Las Vegas, returning Sun, Oct 19, priced at $62 found 5 days ago

Wed, Nov 5 - Sun, Nov 30

ONT

Ontario

LAS

Las Vegas

$81 Roundtrip, found 1 day ago

$81

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Nov 5 from Ontario to Las Vegas, returning Sun, Nov 30, priced at $81 found 1 day ago

Mon, Sep 29 - Wed, Oct 1

ONT

Ontario

LAS

Las Vegas

$83 Roundtrip, found 4 days ago

$83

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Sep 29 from Ontario to Las Vegas, returning Wed, Oct 1, priced at $83 found 4 days ago

Sun, Oct 5 - Fri, Oct 10

ONT

Ontario

LAS

Las Vegas

$88 Roundtrip, found 2 days ago

$88

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Oct 5 from Ontario to Las Vegas, returning Fri, Oct 10, priced at $88 found 2 days ago

Thu, Sep 25 - Sun, Sep 28

ONT

Ontario

LAS

Las Vegas

$93 Roundtrip, found 4 days ago

$93

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Ontario to Las Vegas, returning Sun, Sep 28, priced at $93 found 4 days ago

Sun, Sep 21 - Mon, Sep 22

ONT

Ontario

LAS

Las Vegas

$94 Roundtrip, found 4 days ago

$94

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Sep 21 from Ontario to Las Vegas, returning Mon, Sep 22, priced at $94 found 4 days ago