Cheap Flights from Ontario (ONT) to Phnom Penh (PNH)

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH)

Alternative airports near Phnom Penh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Techo Intl. Airport KTI. Cheapest option available. Flights from $790
KTI
Techo Intl. Airport
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Flights from $790

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH) cost?
Snag a cheap one-way flight or cheap return flight from Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH) 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 - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH)?
Planning your getaway for can help you save, as it's the cheapest month for flights between ONT and PNH. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH)?
To find the cheapest airline that'll fly you from ONT to PNH, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH)?
Direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to PNH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a number of factors, such as the time of year and carrier.*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 - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH)?
To avoid possible delays on the Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH) route, 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.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH) last-minute?
Booking your ticket from ONT to PNH just before your journey is typically more expensive. However, if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ONT to PNH flight and hotel package?
Booking an ONT to PNH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Phnom Penh Intl. Airport (PNH)?
In most cases, you can cancel or modify your ONT to PNH flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more information, head to our Customer Service portal.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Phnom Penh Intl.
Distance
8231 mi

Book with confidence

Ontario to Phnom Penh Flights

The cheapest times to fly from Ontario to Phnom Penh

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 Ontario to Phnom Penh are during the month of . You can find some of the cheapest flights from Ontario to Phnom Penh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Phnom Penh

Sunday is one of the best days to book for cheap flights from Ontario to Phnom Penh: 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 Ontario to Phnom Penh

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 Ontario to Phnom Penh 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 Ontario to Phnom Penh 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 Ontario to Phnom Penh 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.

 

Ontario to Phnom Penh Flights

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*Available to One Key members.