$613 Cheap Flights from Nice (NCE) to Ontario (ONT)

View $613 flight on Wed, Dec 9, 2026Opens in a new window

Popular airlines from Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Nice to Ontario (NCE-ONT)

Prices were available within the past 7 days and start at $613 for one-way flights and $1,122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Apr 5 - Sun, Apr 12
NCE
Nice
ONT
Ontario
$1,122 Roundtrip, found 4 days ago
$1,122
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Apr 5 from Nice to Ontario, returning Sun, Apr 12, priced at $1,122 found 4 days ago
Delta
Wed, Aug 19 - Fri, Aug 28
NCE
Nice
ONT
Ontario
$1,268 Roundtrip, found 6 days ago
$1,268
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Aug 19 from Nice to Ontario, returning Fri, Aug 28, priced at $1,268 found 6 days ago
KLM
Wed, Aug 19 - Fri, Aug 28
NCE
Nice
ONT
Ontario
$1,296 Roundtrip, found 6 days ago
$1,296
Roundtrip
found 6 days ago
Select KLM flight, departing Wed, Aug 19 from Nice to Ontario, returning Fri, Aug 28, priced at $1,296 found 6 days ago
KLM
Wed, Aug 19 - Fri, Aug 28
NCE
Nice
ONT
Ontario
$1,325 Roundtrip, found 6 days ago
$1,325
Roundtrip
found 6 days ago
Select KLM flight, departing Wed, Aug 19 from Nice to Ontario, returning Fri, Aug 28, priced at $1,325 found 6 days ago
American Airlines
Sun, Apr 5 - Sun, Apr 12
NCE
Nice
ONT
Ontario
$1,367 Roundtrip, found 4 days ago
$1,367
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Apr 5 from Nice to Ontario, returning Sun, Apr 12, priced at $1,367 found 4 days ago
Delta
Mon, Aug 17 - Wed, Aug 26
NCE
Nice
ONT
Ontario
$1,386 Roundtrip, found 6 days ago
$1,386
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Aug 17 from Nice to Ontario, returning Wed, Aug 26, priced at $1,386 found 6 days ago
Delta
Mon, Aug 17 - Wed, Aug 26
NCE
Nice
ONT
Ontario
$1,391 Roundtrip, found 6 days ago
$1,391
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Aug 17 from Nice to Ontario, returning Wed, Aug 26, priced at $1,391 found 6 days ago
Delta
Mon, Aug 17 - Wed, Aug 26
NCE
Nice
ONT
Ontario
$1,414 Roundtrip, found 6 days ago
$1,414
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Aug 17 from Nice to Ontario, returning Wed, Aug 26, priced at $1,414 found 6 days ago
British Airways
Sun, Apr 5 - Sun, Apr 12
NCE
Nice
ONT
Ontario
$1,449 Roundtrip, found 4 days ago
$1,449
Roundtrip
found 4 days ago
Select British Airways flight, departing Sun, Apr 5 from Nice to Ontario, returning Sun, Apr 12, priced at $1,449 found 4 days ago
Air France
Fri, Jul 10 - Sat, Jul 11
NCE
Nice
ONT
Ontario
$2,664 Roundtrip, found 5 hours ago
$2,664
Roundtrip
found 5 hours ago
Select Air France flight, departing Fri, Jul 10 from Nice to Ontario, returning Sat, Jul 11, priced at $2,664 found 5 hours ago

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Frequently asked questions

How much does a flight from Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Get a cheap one-way flight from $613 or cheap return flight from $1,122 from Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT) 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 Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT)?
The cheapest month to fly from NCE to ONT is April, when demand is low. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from NCE to ONT. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll need to catch a flight with a layover when traveling from Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from NCE to ONT?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT)?
To arrive at Los Angeles - Ontario Intl. Airport (ONT) on schedule, book a flight that takes off from Cote d'Azur Airport (NCE) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your plane ticket from NCE to ONT right before your trip is usually more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a NCE to ONT flight and hotel package?
Booking a NCE to ONT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of stays and then add car rentals, activities and flights 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 Cote d'Azur Airport (NCE) to Los Angeles - Ontario Intl. Airport (ONT)?
If you reserved your NCE to ONT flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Origin airport
Cote d'Azur
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
$1,122
Distance
6041 mi

Book with confidence

Nice to Ontario Flights

The cheapest times to fly from Nice 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 Nice to Ontario are during the month of April. You can find some of the cheapest flights from Nice to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Nice to Ontario

Sunday is one of the best days to book for cheap flights from Nice 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 Nice 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 Nice to Ontario in 2026. You can also book with separate airlines for your outbound and return journeys, from $613 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 Nice 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 Nice 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.

 

Nice to Ontario Flights

*Flight schedules are subject to change.

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