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$375+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CDG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:47 pmONT - CDG
2 stops15h 43mBritish Airways
Tue 1/1311:30 amCDG - ONT
2 stops20h 18mBritish Airways
Deal found 12/11$751
This Finnair deal was found by Cheapflights users on 12/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:47 amONT - CDG
1 stop13h 18mMultiple Airlines
Thu 1/1511:05 amCDG - ONT
1 stop16h 40mMultiple Airlines
Deal found 12/11$772
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/115:05 amONT - NCE
2 stops32h 55mUnited Airlines
Mon 12/226:45 amNCE - ONT
2 stops23h 22mUnited Airlines
Deal found 12/10$852
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:10 amONT - MRS
2 stops18h 45mBritish Airways
Fri 1/3011:05 amMRS - ONT
2 stops20h 43mBritish Airways
Deal found 12/10$945
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/276:00 amONT - CDG
1 stop18h 40mUnited Airlines
Mon 1/196:15 amCDG - ONT
2 stops20h 28mUnited Airlines
Deal found 12/10$956
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/306:00 amONT - CDG
1 stop18h 40mUnited Airlines
Tue 1/139:55 amCDG - ONT
2 stops21h 58mUnited Airlines
Deal found 12/11$958
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/115:05 amONT - NCE
2 stops28h 20mUnited Airlines
Thu 12/1810:15 amNCE - ONT
2 stops21h 10mUnited Airlines
Deal found 12/9$1,063
This Iberia deal was found by Cheapflights users on 12/10. 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.
Mon 12/1510:47 amONT - NCE
2 stops22h 28mIberia
Wed 12/246:55 pmNCE - ONT
2 stops36h 19mIberia
Deal found 12/10$1,113
This Iberia deal was found by Cheapflights users on 12/10. 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.
Tue 12/166:00 amONT - NCE
2 stops32h 55mIberia
Wed 12/246:55 pmNCE - ONT
2 stops36h 19mIberia
Deal found 12/10$1,121
This Iberia deal was found by Cheapflights users on 12/11. 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.
Tue 12/307:10 amONT - CDG
1 stop16h 55mIberia
Tue 1/1311:05 amCDG - ONT
1 stop20h 43mIberia
Deal found 12/11$1,122
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:47 pmONT - CDG
2 stops16h 03mBritish Airways
Mon 1/197:45 pmCDG - ONT
2 stops32h 00mBritish Airways
Deal found 12/10$1,151
This Iberia deal was found by Cheapflights users on 12/10. 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 12/256:10 amONT - CDG
1 stop17h 55mIberia
Wed 1/2111:05 amCDG - ONT
1 stop20h 43mIberia
Deal found 12/10$1,172

Find flight deals from Ontario to France

Keep the following information in mind while searching for Ontario to France flight deals. Data was last updated December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$542
(oojo)

One-way from

$375
(AirNGo)

Popular in

December

Cheapest in

May

Average price

$1,337
Provider with most accurate pricing for Los Angeles-Paris (PAR) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Paris (PAR) flights.
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From Ontario to France
Search Deals
One-way flight from Ontario to France
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

OntarioLyon

ONT - LYS

ONTLYS

Ontario

Thu 2/19

1:45 pm-11:05 am

2 stops36h 20m

Lyon-Saint Exupéry

Mon 2/23

6:25 am-5:41 pm

2 stops20h 16m

$548

OntarioNice

ONT - NCE

ONTNCE

Ontario

Wed 3/11

6:37 pm-11:00 pm

2 stops20h 23m

Nice Côte d'Azur

Wed 3/18

7:00 am-8:50 pm

2 stops21h 50m

$553

OntarioNice

ONT - NCE

ONTNCE

Ontario

Sat 3/7

6:00 am-11:00 pm

2 stops32h 00m

Nice Côte d'Azur

Tue 3/24

7:00 am-10:25 pm

2 stops23h 25m

$553

OntarioNice

ONT - NCE

ONTNCE

Ontario

Sat 3/7

6:00 am-11:00 pm

2 stops32h 00m

Nice Côte d'Azur

Thu 3/19

10:15 am-8:50 pm

2 stops18h 35m

$553

OntarioNice

ONT - NCE

ONTNCE

Ontario

Thu 1/8

6:39 pm-11:00 pm

2 stops19h 21m

Nice Côte d'Azur

Thu 1/15

10:15 am-9:58 pm

2 stops20h 43m

$553

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 1/20

7:30 am-8:15 am

1 stop15h 45m

Paris Charles de Gaulle

Wed 1/28

7:10 am-10:51 pm

2 stops24h 41m

$559

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 1/20

7:30 am-8:15 am

1 stop15h 45m

Paris Charles de Gaulle

Thu 1/29

10:15 am-9:05 pm

2 stops19h 50m

$559

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 1/25

10:30 pm-6:10 am

1 stop22h 40m

Paris Charles de Gaulle

Sun 2/1

7:10 am-9:05 pm

2 stops22h 55m

$559

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 1/21

10:30 pm-6:10 am

1 stop22h 40m

Paris Charles de Gaulle

Fri 1/30

9:40 am-9:05 pm

2 stops20h 25m

$560

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 1/28

1:53 pm-10:30 am

2 stops35h 37m

Paris Charles de Gaulle

Sun 2/1

8:50 am-5:43 pm

2 stops41h 53m

$561

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December 12, 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 $559, United Airlines can have you in France from Ontario in 15h 45m. There are 5619 mi between Ontario and France. This flight may include one or multiple stops.

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

    Most travelers choose Ontario - Paris Charles de Gaulle, Ontario - Nice Côte d'Azur or Ontario - Paris Orly 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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