CA $134 Cheap Flights from Las Vegas (LAS) to Ontario (ONT)

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Cheap flights from Las Vegas (LAS) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $134 for one-way flights and CA $59 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flight from Las Vegas to Ontario (LAS - ONT) route information
Origin airport
Harry Reid Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $58
Distance
314 km
Average flight time
1 hour 3 mins

Las Vegas to Los Angeles Flights

The easy way to book your flights from Las Vegas to Ontario 

With Expedia, it’s simple to find and book flights to Ontario from Las Vegas whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Frontier Airlines, Southwest Airlines nonstop flights to Los Angeles - Ontario Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Las Vegas to Ontario today, tomorrow, or this week.  

 

Save dollars with cheap flights from Harry Reid Intl., LAS to Los Angeles - Ontario Intl., ONT 

Sort your search results by price to find great deals on your flight from Las Vegas to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Las Vegas currently is just CA $59 rising to CA $99.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ontario  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ontario from Las Vegas 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today.

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 CA $59. 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.
Ontario nearby Airports

Orange County

Los Angeles

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