Cheap Flights from Las Vegas (LAS) to Ontario (ONT) from HK$983~

View HK$983 flight on Thu, 19 Feb 2026Opens 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$983 for one-way flights and HK$2,847 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$2,847 Return, found 4 days ago
HK$2,847
Return
found 4 days ago
Select United flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$2,847 found 4 days ago
American Airlines
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$2,987 Return, found 4 days ago
HK$2,987
Return
found 4 days ago
Select American Airlines flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$2,987 found 4 days ago
United
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$3,073 Return, found 4 days ago
HK$3,073
Return
found 4 days ago
Select United flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$3,073 found 4 days ago
United
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$3,181 Return, found 4 days ago
HK$3,181
Return
found 4 days ago
Select United flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$3,181 found 4 days ago
United
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$3,406 Return, found 4 days ago
HK$3,406
Return
found 4 days ago
Select United flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$3,406 found 4 days ago
United
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$3,654 Return, found 4 days ago
HK$3,654
Return
found 4 days ago
Select United flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$3,654 found 4 days ago
American Airlines
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$3,761 Return, found 4 days ago
HK$3,761
Return
found 4 days ago
Select American Airlines flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$3,761 found 4 days ago
United
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$3,879 Return, found 4 days ago
HK$3,879
Return
found 4 days ago
Select United flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$3,879 found 4 days ago
American Airlines
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$3,890 Return, found 4 days ago
HK$3,890
Return
found 4 days ago
Select American Airlines flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$3,890 found 4 days ago
American Airlines
Tue, 17 Mar - Fri, 27 Mar
LAS
Las Vegas
ONT
Ontario
HK$3,933 Return, found 4 days ago
HK$3,933
Return
found 4 days ago
Select American Airlines flight, departing Tue, 17 Mar from Las Vegas to Ontario, returning Fri, 27 Mar, priced at HK$3,933 found 4 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$372 - HK$1,944 per traveller.
Las Vegas to Ontario route information
Origin airport
Harry Reid Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
HK$2,847
Distance
314 km
Average flight time
1 hour 4 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$983 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$2,847. 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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