Cheap Flights from Las Vegas (LAS) to Ontario (ONT) from HK$960~

View HK$960 flight on Fri, 9 Jan 2026Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at HK$960 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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$2,828 per traveller.
Las Vegas to Ontario route information
Origin airport
Harry Reid Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
314 km
Average flight time
1 hour 1 min

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$960 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 . 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.

Explore a world of travel with Expedia

*Available to Expedia members.