$137 Cheap United flights Ontario (ONT) to Las Vegas (LAS)

$137 Cheap United flights Ontario (ONT) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $137 for one-way flights and $181 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 9 - Thu, Sep 11

ONT

Ontario

LAS

Las Vegas

$181 Roundtrip, found 21 hours ago

$181

Roundtrip

found 21 hours ago

Select United flight, departing Tue, Sep 9 from Ontario to Las Vegas, returning Thu, Sep 11, priced at $181 found 21 hours ago

Mon, Sep 22 - Thu, Sep 25

ONT

Ontario

LAS

Las Vegas

$217 Roundtrip, found 22 hours ago

$217

Roundtrip

found 22 hours ago

Select United flight, departing Mon, Sep 22 from Ontario to Las Vegas, returning Thu, Sep 25, priced at $217 found 22 hours ago

Tue, Sep 9 - Thu, Sep 11

ONT

Ontario

LAS

Las Vegas

$236 Roundtrip, found 21 hours ago

$236

Roundtrip

found 21 hours ago

Select United flight, departing Tue, Sep 9 from Ontario to Las Vegas, returning Thu, Sep 11, priced at $236 found 21 hours ago

Wed, Sep 3 - Sat, Sep 6

ONT

Ontario

LAS

Las Vegas

$263 Roundtrip, found 1 day ago

$263

Roundtrip

found 1 day ago

Select United flight, departing Wed, Sep 3 from Ontario to Las Vegas, returning Sat, Sep 6, priced at $263 found 1 day ago