Cheap Flights from Las Vegas (LAS) to Ontario (ONT) from HK$972~

View HK$972 flight on Tue, 12 Aug 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$972 for one-way flights and HK$2,053 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,053 Return, found 6 days ago
HK$2,053
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,053 found 6 days ago
American Airlines
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,116 Return, found 6 days ago
HK$2,116
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,116 found 6 days ago
American Airlines
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,245 Return, found 6 days ago
HK$2,245
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,245 found 6 days ago
American Airlines
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,289 Return, found 6 days ago
HK$2,289
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,289 found 6 days ago
American Airlines
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,333 Return, found 6 days ago
HK$2,333
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,333 found 6 days ago
American Airlines
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,396 Return, found 6 days ago
HK$2,396
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,396 found 6 days ago
American Airlines
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,451 Return, found 6 days ago
HK$2,451
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,451 found 6 days ago
Delta
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,460 Return, found 6 days ago
HK$2,460
Return
found 6 days ago
Select Delta flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,460 found 6 days ago
American Airlines
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,525 Return, found 6 days ago
HK$2,525
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,525 found 6 days ago
United
Thu, 14 Aug - Wed, 20 Aug
LAS
Las Vegas
ONT
Ontario
HK$2,546 Return, found 6 days ago
HK$2,546
Return
found 6 days ago
Select United flight, departing Thu, 14 Aug from Las Vegas to Ontario, returning Wed, 20 Aug, priced at HK$2,546 found 6 days ago

Find the cheapest month to fly from Las Vegas (LAS) to Ontario (ONT)

March is typically the cheapest month to fly

From HK$375 - HK$835 per traveller.

Graph displaying average flight prices per month

Las Vegas to Ontario route information
Origin airport
Harry Reid Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
HK$2,053
Distance
314 km
Average flight time
1 hour 5 mins

Flights from Las Vegas to Los Angeles

Book cheap flights from Las Vegas (LAS) to Los Angeles (ONT) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Las Vegas (LAS) to Los Angeles (ONT) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Las Vegas (LAS) to Los Angeles (ONT) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Los Angeles flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Los Angeles and things to do in Los Angeles for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Los Angeles more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Los Angeles is HK$972 now!

 

Frequently asked questions

How much is a flight from LAS to ONT?
The lowest price advertised for a round-trip journey from LAS to ONT is HK$2,053. But you better get moving. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LAS to ONT?
This differs between air carriers, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where there are easy instructions on how to cancel online.
How do I find cheap flights from LAS to ONT 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 LAS to ONT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Harry Reid Airport (formerly McCarran Airport) to Ontario Airport?
With a flight distance of 320 kilometers, it's only a short hop from LAS to Los Angeles - Ontario Intl. Airport (ONT). It might be a quick flight, but it's still worth bringing along something to keep you entertained on board.
Which airlines fly direct from Harry Reid Airport (formerly McCarran Airport) to Ontario Airport?
Southwest Airlines (WN) is one of the top choices for many travelers flying between LAS and Los Angeles - Ontario Intl. Airport (ONT). Select from the 143 flights it operates on this route each month. If you're eager for more options, check out the fares from Frontier Airlines (F9). This carrier offers 56 flights a month between these airports.
Are LAS to Ontario Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from LAS to Ontario Airport can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd rather play it safe and start planning early, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines publish their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

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