$439 Cheap Flights from Ontario (ONT) to Nice (NCE)

View $439 flight on Mon, Feb 2, 2026Opens in a new window

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

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Cheap Flights from Ontario to Nice (ONT-NCE)

Prices were available within the past 7 days and start at $439 for one-way flights and $599 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Dec 3 - Wed, Dec 10
ONT
Ontario
NCE
Nice
$599 Roundtrip, found 6 days ago
$599
Roundtrip
found 6 days ago
Select United flight, departing Wed, Dec 3 from Ontario to Nice, returning Wed, Dec 10, priced at $599 found 6 days ago
United
Thu, Feb 12 - Tue, Feb 17
ONT
Ontario
NCE
Nice
$600 Roundtrip, found 5 days ago
$600
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 12 from Ontario to Nice, returning Tue, Feb 17, priced at $600 found 5 days ago
Delta
Thu, Jan 15 - Thu, Jan 22
ONT
Ontario
NCE
Nice
$600 Roundtrip, found 19 hours ago
$600
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Jan 15 from Ontario to Nice, returning Thu, Jan 22, priced at $600 found 19 hours ago
United
Thu, Feb 12 - Tue, Feb 17
ONT
Ontario
NCE
Nice
$602 Roundtrip, found 5 days ago
$602
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 12 from Ontario to Nice, returning Tue, Feb 17, priced at $602 found 5 days ago
United
Mon, Dec 1 - Mon, Dec 8
ONT
Ontario
NCE
Nice
$604 Roundtrip, found 6 days ago
$604
Roundtrip
found 6 days ago
Select United flight, departing Mon, Dec 1 from Ontario to Nice, returning Mon, Dec 8, priced at $604 found 6 days ago
American Airlines
Wed, Dec 3 - Wed, Dec 10
ONT
Ontario
NCE
Nice
$605 Roundtrip, found 6 days ago
$605
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Dec 3 from Ontario to Nice, returning Wed, Dec 10, priced at $605 found 6 days ago
Delta
Thu, Jan 15 - Tue, Jan 20
ONT
Ontario
NCE
Nice
$606 Roundtrip, found 5 days ago
$606
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jan 15 from Ontario to Nice, returning Tue, Jan 20, priced at $606 found 5 days ago
British Airways
Thu, Jan 15 - Thu, Jan 22
ONT
Ontario
NCE
Nice
$607 Roundtrip, found 19 hours ago
$607
Roundtrip
found 19 hours ago
Select British Airways flight, departing Thu, Jan 15 from Ontario to Nice, returning Thu, Jan 22, priced at $607 found 19 hours ago
Delta
Thu, Jan 15 - Thu, Jan 22
ONT
Ontario
NCE
Nice
$612 Roundtrip, found 19 hours ago
$612
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Jan 15 from Ontario to Nice, returning Thu, Jan 22, priced at $612 found 19 hours ago
Air France
Thu, Jan 15 - Thu, Jan 22
ONT
Ontario
NCE
Nice
$664 Roundtrip, found 19 hours ago
$664
Roundtrip
found 19 hours ago
Select Air France flight, departing Thu, Jan 15 from Ontario to Nice, returning Thu, Jan 22, priced at $664 found 19 hours ago
Flights from Ontario (ONT) to Nice (NCE)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Cote d'Azur
Airlines serving
Air France, American Airlines, British Airways, Delta, Iberia, KLM, United
Roundtrip price
$598
Distance
6041 mi

Ontario to Nice Flights

The cheapest times to fly from Ontario to Nice

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

 

The best time to book a flight from Ontario to Nice

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

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 Nice in 2025. You can also book with separate airlines for your outbound and return journeys, from $439 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 Nice 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 Nice 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.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Cote d'Azur Airport (NCE) cost?
Secure a cheap one-way flight from $439 or cheap return flight from $599 from Los Angeles - Ontario Intl. Airport (ONT) to Cote d'Azur Airport (NCE) 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 Cote d'Azur Airport (NCE)?
December is the most affordable month to fly from ONT to NCE. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Cote d'Azur Airport (NCE)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from ONT to NCE. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Cote d'Azur Airport (NCE)?
You'll have to take a flight with a layover if you're traveling from Los Angeles - Ontario Intl. Airport (ONT) to Cote d'Azur Airport (NCE). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from ONT to NCE?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline and other factors.*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 Cote d'Azur Airport (NCE)?
To avoid possible delays on the Los Angeles - Ontario Intl. Airport (ONT) to Cote d'Azur Airport (NCE) route, aim to travel before 3 PM. Departures after this hour 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 Cote d'Azur Airport (NCE) last-minute?
Booking your flight from ONT to NCE shortly before your trip is typically more expensive. However, if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book an ONT to NCE flight and hotel package?
Booking an ONT to NCE flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything 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 Cote d'Azur Airport (NCE)?
In most instances, you can cancel or modify your ONT to NCE flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.