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$263+ Cheap flights from Ontario (ONT) to France

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CDG
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Ontario to France

Keep the following information in mind while searching for Ontario to France flight deals. Data was last updated October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$554
(United Airlines)

One-way from

$263
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$680
Provider with most accurate pricing for Los Angeles-Paris (PAR) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Paris (PAR) flights.
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From Ontario to France
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One-way flight from Ontario to France
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Highest demand for flights based on searches. 18% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to France

Cheapest flights from Ontario to France
Explore the most affordable flight options available from Ontario to France. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:38 pmONT - CDG
1 stop28h 02mUnited Airlines
Tue 12/96:30 amCDG - ONT
2 stops25h 19mUnited Airlines
Deal found 10/28$554
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amONT - CDG
1 stop18h 40mUnited Airlines
Fri 12/510:20 amCDG - ONT
2 stops20h 29mUnited Airlines
Deal found 10/29$555
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amONT - CDG
1 stop18h 40mUnited Airlines
Wed 12/36:00 amCDG - ONT
2 stops39h 18mUnited Airlines
Deal found 10/28$556
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:10 pmONT - CDG
1 stop30h 05mDelta
Mon 1/122:20 pmCDG - ONT
2 stops34h 53mDelta
Deal found 10/27$559
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:16 pmONT - CDG
1 stop15h 59mDelta
Wed 12/103:30 pmCDG - ONT
1 stop16h 34mDelta
Deal found 10/28$563
This Air France deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:12 pmONT - CDG
1 stop13h 38mAir France
Sat 12/1310:20 amCDG - ONT
1 stop14h 49mAir France
Deal found 10/28$572
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:49 pmONT - CDG
1 stop30h 31mDelta
Tue 1/1310:10 amCDG - ONT
1 stop21h 19mDelta
Deal found 10/29$578
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:05 amONT - CDG
2 stops21h 30mDelta
Tue 1/133:30 pmCDG - ONT
1 stop29h 24mDelta
Deal found 10/29$582
This Kissandfly.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:00 amONT - CDG
1 stop18h 40mLufthansa
Fri 12/129:00 amCDG - ONT
1 stop22h 49mLufthansa
Deal found 10/28$598
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:00 amONT - NCE
2 stops21h 40mUnited Airlines
Thu 12/410:15 amNCE - ONT
2 stops20h 34mUnited Airlines
Deal found 10/28$599
This Iberia deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:10 amONT - NCE
2 stops22h 45mMultiple Airlines
Thu 12/117:25 amNCE - ONT
2 stops23h 54mMultiple Airlines
Deal found 10/29$609
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:05 amONT - NCE
2 stops22h 35mUnited Airlines
Sun 12/710:15 amNCE - ONT
3 stops21h 34mUnited Airlines
Deal found 10/29$674

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to France that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Ontario to France that are best for you.

Fly from

Ontario

Fly to

France

Route

Depart

Return

Price

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 12/1

6:00 am-9:40 am

1 stop18h 40m

Paris Charles de Gaulle

Tue 12/9

10:20 am-9:49 pm

2 stops20h 29m

$554

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sat 1/10

1:24 pm-10:30 am

2 stops36h 06m

Paris Charles de Gaulle

Sun 1/18

10:20 am-10:53 pm

2 stops21h 33m

$554

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 2/12

6:00 am-9:40 am

1 stop18h 40m

Paris Charles de Gaulle

Tue 2/24

11:15 am-12:38 pm

2 stops34h 23m

$554

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 11/28

5:05 am-10:30 am

2 stops20h 25m

Paris Charles de Gaulle

Fri 12/5

10:20 am-10:49 pm

2 stops21h 29m

$555

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 11/26

5:05 am-10:30 am

2 stops20h 25m

Paris Charles de Gaulle

Wed 12/3

12:00 pm-12:32 pm

2 stops33h 32m

$556

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 1/14

6:00 am-8:20 am

2 stops17h 20m

Paris Charles de Gaulle

Tue 1/20

6:50 am-6:45 pm

2 stops20h 55m

$561

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/8

6:00 am-6:55 am

2 stops15h 55m

Paris Charles de Gaulle

Wed 1/21

9:10 am-8:58 pm

2 stops20h 48m

$562

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 1/27

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Mon 2/16

11:05 am-6:40 pm

1 stop16h 35m

$563

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 11/27

12:16 pm-1:15 pm

1 stop15h 59m

Paris Charles de Gaulle

Wed 12/10

3:30 pm-11:04 pm

1 stop16h 34m

$564

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 1/20

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Wed 2/11

11:05 am-6:45 pm

1 stop16h 40m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to France

Have a flexible travel schedule? Discover the best time to fly to France from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to France

What is the cheapest month to book a flight from Ontario to France?

Currently, August is the cheapest month in which you can book a flight from Ontario to France (average of $361). Flying from Ontario to France in June is currently the most expensive (average of $585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to FR?

Find hourly flight availability from Ontario to France. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 33% on flights from Ontario to France by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to France. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to France?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to France from Ontario.

  • How long is the flight from Ontario to France?

    For as low as $750, United Airlines can have you in France from Ontario in 16h 11m. There are 5834 mi between Ontario and France. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ontario to France one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $399. British Airways flights start at $433 while deals on Air Canada start at $443 one-way.

  • What are the most popular routes from Ontario to France?

    Most travelers choose Ontario - Paris Charles de Gaulle, Ontario - Paris Orly or Ontario - Marseille when deciding on the best route from Ontario to France.

  • Can I find deals for flights from Ontario to France that include hotel bookings?

    Yes. In addition to deals on Ontario to France flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to France?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to France.

  • Can I find deals for business class flights from Ontario to France?

    Yes. Cheapflights offers flight deals from Ontario to France by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to France?

    Currently, August is the cheapest month in which you can book a flight from Ontario to France (average of $361). Flying from Ontario to France in June is currently the most expensive (average of $585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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