Cheap Flights from Los Angeles (LAX) to Ontario (ONO)

Popular airlines from Los Angeles Intl. (LAX) to Ontario, OR (ONO-Ontario Municipal)

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Frequently asked questions

How much does a flight from Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal) cost?
Secure a cheap one-way flight or cheap return flight from Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal)?
is the most affordable month to fly from LAX to ONO. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal)?
To find the cheapest airline flying from LAX to ONO, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal)?
There aren't any daily direct flights departing from Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from LAX to ONO?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, including the airline and season.*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 Ontario, OR (ONO-Ontario Municipal)?
To avoid possible delays on the Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**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.
What airports do you fly into for Ontario from Los Angeles Intl. Airport (LAX)?
If you've booked a direct flight from Los Angeles Intl. Airport (LAX) to Ontario, Boise Airport (BOI) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal) last-minute?
Booking your flight from LAX to ONO just before your journey is generally more expensive. However, if there's some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a LAX to ONO flight and hotel package?
Compared with arranging hotels and flights separately, booking a LAX to ONO flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles Intl. Airport (LAX) to Ontario, OR (ONO-Ontario Municipal)?
In most cases, you're able to cancel or reschedule your LAX to ONO flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Los Angeles Intl.
Destination airport
Ontario Municipal
Distance
707 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.