￥20,480 Cheap Flights from Ontario (ONT) to Las Vegas (LAS)

View ￥20,480 flight on Wed, Aug 12, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Ontario to Las Vegas (ONT-LAS)

Prices were available within the past 7 days and start at ￥20,480 for one-way flights and ￥41,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 2 - Tue, May 5
ONT
Ontario
LAS
Las Vegas
￥41,600 Roundtrip, found 19 hours ago
￥41,600
Roundtrip
found 19 hours ago
Select United flight, departing Sat, May 2 from Ontario to Las Vegas, returning Tue, May 5, priced at ￥41,600 found 19 hours ago
United
Sat, May 9 - Sat, May 16
ONT
Ontario
LAS
Las Vegas
￥42,460 Roundtrip, found 4 hours ago
￥42,460
Roundtrip
found 4 hours ago
Select United flight, departing Sat, May 9 from Ontario to Las Vegas, returning Sat, May 16, priced at ￥42,460 found 4 hours ago
United
Wed, May 6 - Sat, May 9
ONT
Ontario
LAS
Las Vegas
￥42,590 Roundtrip, found 3 days ago
￥42,590
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 6 from Ontario to Las Vegas, returning Sat, May 9, priced at ￥42,590 found 3 days ago
United
Sun, May 10 - Tue, May 12
ONT
Ontario
LAS
Las Vegas
￥44,080 Roundtrip, just found
￥44,080
Roundtrip
just found
Select United flight, departing Sun, May 10 from Ontario to Las Vegas, returning Tue, May 12, priced at ￥44,080 just found
American Airlines
Sat, May 16 - Tue, May 19
ONT
Ontario
LAS
Las Vegas
￥44,630 Roundtrip, found 6 days ago
￥44,630
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 16 from Ontario to Las Vegas, returning Tue, May 19, priced at ￥44,630 found 6 days ago
United
Sun, May 17 - Wed, May 20
ONT
Ontario
LAS
Las Vegas
￥44,960 Roundtrip, found 5 days ago
￥44,960
Roundtrip
found 5 days ago
Select United flight, departing Sun, May 17 from Ontario to Las Vegas, returning Wed, May 20, priced at ￥44,960 found 5 days ago
United
Mon, May 4 - Tue, May 5
ONT
Ontario
LAS
Las Vegas
￥45,820 Roundtrip, found 4 days ago
￥45,820
Roundtrip
found 4 days ago
Select United flight, departing Mon, May 4 from Ontario to Las Vegas, returning Tue, May 5, priced at ￥45,820 found 4 days ago
American Airlines
Mon, Aug 10 - Thu, Aug 13
ONT
Ontario
LAS
Las Vegas
￥46,140 Roundtrip, found 2 days ago
￥46,140
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 10 from Ontario to Las Vegas, returning Thu, Aug 13, priced at ￥46,140 found 2 days ago
Alaska Airlines
Thu, Jul 16 - Sun, Jul 19
ONT
Ontario
LAS
Las Vegas
￥109,330 Roundtrip, just found
￥109,330
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Jul 16 from Ontario to Las Vegas, returning Sun, Jul 19, priced at ￥109,330 just found
Delta
Sat, Apr 18 - Sun, Apr 19
ONT
Ontario
LAS
Las Vegas
￥178,690 Roundtrip, found 4 days ago
￥178,690
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Apr 18 from Ontario to Las Vegas, returning Sun, Apr 19, priced at ￥178,690 found 4 days ago

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from ￥74,500
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from ￥74,500

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to McCarran Intl. Airport (LAS)?
If you're traveling from ONT to LAS, round-trip flights start from ￥41,600. This figure is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to McCarran Intl. Airport (LAS)?
We understand that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to LAS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Los Angeles - Ontario Intl. Airport (ONT) to McCarran Intl. Airport (LAS) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Los Angeles - Ontario Intl. Airport (ONT) to McCarran Intl. Airport (LAS)?
It only takes an average of 1 hour and 7 minutes to fly from Los Angeles - Ontario Intl. Airport (ONT) to Harry Reid Airport (formerly McCarran Airport). Recline your seat and make yourself comfortable — but not too comfortable. You'll be in Las Vegas in no time.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to McCarran Intl. Airport (LAS)?
A flight distance of just 320 kilometers separates Ontario and Las Vegas. Once you're in the air, you won't get a chance to do much more than listen to a few songs on your travel playlist.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to McCarran Intl. Airport (LAS)?
Frontier Airlines (F9) is one of the preferred choices for travelers jetting between Ontario Airport and McCarran Intl. Airport (LAS). Choose from the 73 flights it operates on this route each month. You could also take a look at the fares on offer with Ravn Alaska (7H). It operates 4 flights every month between Ontario and Las Vegas.
Are Ontario Airport to Harry Reid Airport (formerly McCarran Airport) flight tickets cheaper when they're purchased at the last minute?
Flight prices from Los Angeles - Ontario Intl. Airport (ONT) to Harry Reid Airport (formerly McCarran Airport) are available up to 12 months before departure on Expedia. And although you may score fantastic last-minute deals, it's never something you can count on. Also, booking your flights in advance means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, United
Roundtrip price
￥41,600
Distance
314 km
Average flight time
1 hour 8 mins

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