$398 Cheap Flights from Ontario (ONT) to Paris (CDG)

View $398 flight on Sat, Jan 10, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Paris Charles de Gaulle Airport (CDG)

Cheap Flights from Ontario to Paris (ONT-CDG)

Prices were available within the past 7 days and start at $398 for one-way flights and $555 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 26 - Mon, Feb 9
ONT
Ontario
CDG
Paris
$555 Roundtrip, found 2 days ago
$555
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 26 from Ontario to Paris, returning Mon, Feb 9, priced at $555 found 2 days ago
United
Thu, Jan 15 - Tue, Jan 20
ONT
Ontario
CDG
Paris
$556 Roundtrip, just found
$556
Roundtrip
just found
Select United flight, departing Thu, Jan 15 from Ontario to Paris, returning Tue, Jan 20, priced at $556 just found
United
Wed, Feb 11 - Sun, Feb 15
ONT
Ontario
CDG
Paris
$556 Roundtrip, found 5 hours ago
$556
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Feb 11 from Ontario to Paris, returning Sun, Feb 15, priced at $556 found 5 hours ago
United
Wed, Jan 7 - Mon, Jan 12
ONT
Ontario
CDG
Paris
$557 Roundtrip, found 1 day ago
$557
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 7 from Ontario to Paris, returning Mon, Jan 12, priced at $557 found 1 day ago
United
Thu, Jan 15 - Tue, Jan 20
ONT
Ontario
CDG
Paris
$559 Roundtrip, just found
$559
Roundtrip
just found
Select United flight, departing Thu, Jan 15 from Ontario to Paris, returning Tue, Jan 20, priced at $559 just found
Virgin Atlantic
Fri, Nov 28 - Tue, Dec 2
ONT
Ontario
CDG
Paris
$559 Roundtrip, found 2 days ago
$559
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Fri, Nov 28 from Ontario to Paris, returning Tue, Dec 2, priced at $559 found 2 days ago
United
Mon, Jan 26 - Mon, Feb 9
ONT
Ontario
CDG
Paris
$560 Roundtrip, found 2 days ago
$560
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 26 from Ontario to Paris, returning Mon, Feb 9, priced at $560 found 2 days ago
Delta
Thu, Jan 15 - Tue, Jan 20
ONT
Ontario
CDG
Paris
$560 Roundtrip, just found
$560
Roundtrip
just found
Select Delta flight, departing Thu, Jan 15 from Ontario to Paris, returning Tue, Jan 20, priced at $560 just found
Air Canada
Sun, Feb 1 - Fri, Feb 13
ONT
Ontario
CDG
Paris
$562 Roundtrip, found 2 days ago
$562
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Feb 1 from Ontario to Paris, returning Fri, Feb 13, priced at $562 found 2 days ago
American Airlines
Wed, Dec 3 - Mon, Dec 8
ONT
Ontario
CDG
Paris
$567 Roundtrip, found 1 day ago
$567
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 3 from Ontario to Paris, returning Mon, Dec 8, priced at $567 found 1 day ago

Find the cheapest month to fly from Ontario (ONT) to Paris (CDG)

November is typically the cheapest month to fly

From $566 - $1,726 per traveler.

Alternative airports near Paris

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

Select flight to Orly ORY. Average driving time to city center is 18 minutes. Flights from $1,762
ORY
Orly
Average driving time to city center18 min
Flights from $1,762

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG) cost?
Get a cheap one-way flight from $398 or cheap return flight from $555 from Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG)?
The cheapest month to fly from ONT to CDG is January, when demand is low. Off-peak season is usually when you'll find lower airfares between these airports.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG)?
You can't fly directly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Roissy-Charles de Gaulle Airport (CDG). However, you'll find other airports offering nonstop flights. Hop on your plane at Los Angeles Intl. Airport (LAX) and head straight to Paris without a layover.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ONT to CDG. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG)?
Direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to CDG?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Roissy-Charles de Gaulle Airport (CDG)?
Select a flight from Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Roissy-Charles de Gaulle Airport (CDG) last-minute?
Waiting until just before your trip to book your flight from ONT to CDG often results in higher prices. While it's possible to find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book an ONT to CDG flight and hotel package?
Opting for an ONT to CDG flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of hotels and then add activities, car rentals 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 Los Angeles - Ontario Intl. Airport (ONT) to Roissy-Charles de Gaulle Airport (CDG)?
If you reserved your ONT to CDG flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Roissy-Charles de Gaulle
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, JetBlue Airways, KLM, United, Virgin Atlantic
Roundtrip price
$554
Distance
5623 mi

Book with confidence

Book with confidence

Ontario to Paris Flights

The cheapest times to fly from Ontario to Paris

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

 

The best time to book a flight from Ontario to Paris

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

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 Paris in 2025. You can also book with separate airlines for your outbound and return journeys, from $398 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 Paris 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 Paris 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 Paris Flights

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*Available to One Key members.