Popular airlines from Los Angeles Intl. (LAX) to Los Angeles - Ontario Intl. Airport (ONT)

Frequently asked questions

How much does a flight from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Snag a cheap one-way flight or cheap return flight from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT)?
is the most affordable month to fly from LAX to ONT. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT)?
To find the cheapest airline flying from LAX to ONT, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll have to catch a flight with a layover if you're traveling from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from LAX to ONT?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT)?
To arrive at Los Angeles - Ontario Intl. Airport (ONT) on time, choose a flight that leaves Los Angeles Intl. Airport (LAX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Waiting until right before your break to book your flight from LAX to ONT often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for the best chance of landing a bargain.
Is it cheaper to book a LAX to ONT flight and hotel package?
You can save money by securing a LAX to ONT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Los Angeles Intl. Airport (LAX) to Los Angeles - Ontario Intl. Airport (ONT)?
Typically, it's possible to reschedule or cancel your LAX to ONT flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Los Angeles Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
47 mi

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Los Angeles to Ontario Flights

The cheapest times to fly from Los Angeles to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Los Angeles to Ontario are during the month of . You can find some of the cheapest flights from Los Angeles to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Los Angeles to Ontario

Sunday is one of the best days to book for cheap flights from Los Angeles to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Los Angeles to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Los Angeles to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Los Angeles to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Los Angeles to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Los Angeles to Ontario Flights

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*Available to One Key members.