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Charles de Gaulle

$395+ Cheap flights from Ontario (ONT) to Charles de Gaulle (CDG)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CDG
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap flight deals from Ontario to Charles de Gaulle

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Charles de Gaulle (CDG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$554
(United Airlines)

One-way from

$395
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,102
Provider with most accurate pricing for Ontario-Paris Charles de Gaulle flight deals.
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Provider most trusted by Cheapflights users for Ontario-Paris Charles de Gaulle flights.
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From Ontario to Paris Charles de Gaulle
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One-way flight from Ontario to Paris Charles de Gaulle
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Highest demand for flights based on searches. 25% potential increase in price ($362 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($71 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 Charles de Gaulle

Cheapest flights from Ontario to Charles de Gaulle
Explore the most affordable flight options available from Ontario to Charles de Gaulle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amONT - CDG
1 stop18h 40mUnited Airlines
Tue 12/96:30 amCDG - ONT
3 stops25h 19mUnited Airlines
Deal found 10/27$554
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 12/2910:29 pmONT - CDG
2 stops27h 56mDelta
Wed 1/142:20 pmCDG - ONT
2 stops34h 53mDelta
Deal found 10/26$555
This United Airlines 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 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 stops20h 37mUnited Airlines
Deal found 10/27$556
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/26:00 amONT - CDG
1 stop18h 40mUnited Airlines
Sun 12/77:25 amCDG - ONT
2 stops43h 12mUnited Airlines
Deal found 10/25$558
This Delta deal was found by Cheapflights users on 10/24. 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.
Tue 12/231:15 pmONT - CDG
1 stop34h 00mDelta
Tue 1/1310:15 amCDG - ONT
2 stops39h 04mDelta
Deal found 10/24$559
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:49 pmONT - CDG
1 stop35h 16mAmerican Airlines
Sun 12/711:40 amCDG - ONT
2 stops19h 35mAmerican Airlines
Deal found 10/26$562
This Delta deal was found by Cheapflights users on 10/25. 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 10/25$563
This United Airlines deal was found by Cheapflights users on 10/25. 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 - CDG
2 stops40h 50mUnited Airlines
Sun 12/78:50 amCDG - ONT
2 stops41h 47mUnited Airlines
Deal found 10/25$566
This Air Canada deal was found by Cheapflights users on 10/26. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:05 amONT - CDG
3 stops20h 25mMultiple Airlines
Sun 12/79:25 amCDG - ONT
2 stops35h 52mMultiple Airlines
Deal found 10/26$571
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:16 pmONT - CDG
1 stop15h 59mKLM
Tue 12/910:20 amCDG - ONT
1 stop14h 49mKLM
Deal found 10/27$572

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Charles de Gaulle 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 27, 2025.
Use the filters below to find and compare flights from Ontario to Paris Charles de Gaulle Airport that are best for you.

Fly from

Ontario

Fly to

Charles de Gaulle

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

6:30 am-9:49 pm

2 stops24h 19m

$554

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 12/29

10:42 am-9:40 am

1 stop13h 58m

Paris Charles de Gaulle

Mon 1/12

2:25 pm-10:53 pm

2 stops17h 28m

$554

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

Mon 12/1

12:16 pm-1:15 pm

1 stop15h 59m

Paris Charles de Gaulle

Sun 12/7

7:10 am-10:47 pm

2 stops24h 37m

$559

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

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

Mon 12/1

12:16 pm-1:15 pm

1 stop15h 59m

Paris Charles de Gaulle

Tue 12/9

10:20 am-4:09 pm

1 stop14h 49m

$572

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 1/26

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Mon 2/9

11:05 am-6:45 pm

1 stop16h 40m

$572

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 2/15

10:59 am-9:05 am

1 stop13h 06m

Paris Charles de Gaulle

Thu 2/26

11:05 am-6:40 pm

1 stop16h 35m

$572

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 2/11

5:05 am-6:55 am

2 stops16h 50m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Showing 1-10 of 19 results
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Compare providers for flights from Ontario to Charles de Gaulle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Charles de Gaulle in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Paris Charles de Gaulle Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Paris Charles de Gaulle Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Paris Charles de Gaulle Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Paris Charles de Gaulle Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Paris Charles de Gaulle Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Charles de Gaulle

Have a flexible travel schedule? Discover the best time to fly to Charles de Gaulle 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 Paris Charles de Gaulle Airport

What is the cheapest month to book a flight from Ontario to Paris Charles de Gaulle Airport?

Currently, August is the cheapest month in which you can book a flight from Ontario to Paris Charles de Gaulle Airport (average of $361). Flying from Ontario to Paris Charles de Gaulle Airport 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 CDG?

Find hourly flight availability from Ontario to Charles de Gaulle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

One of the essential ways to save on airfare from Ontario to Paris Charles de Gaulle Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 45% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Charles de Gaulle. 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 Paris Charles de Gaulle?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Paris Charles de Gaulle. 0 airlines have flights from Ontario to Paris Charles de Gaulle on a regular basis. Booking flights from Ontario to Paris Charles de Gaulle should not be difficult; the airport handles an average of 0 outbound flights to Paris Charles de Gaulle per day.

  • How long is the flight from Ontario to Paris Charles de Gaulle Airport?

    A quick flight from Ontario to Paris Charles de Gaulle Airport can take about 18h 40m. United Airlines provides one of the quickest options available for as low as $554. The distance between Ontario and Paris Charles de Gaulle Airport is about 5619 mi.

  • Can I find deals for flights from Ontario to Charles de Gaulle that include hotel bookings?

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

  • How can I find direct flights from Ontario to Charles de Gaulle?

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

  • Can I find deals for business class flights from Ontario to Charles de Gaulle?

    Yes. Cheapflights offers flight deals from Ontario to Charles de Gaulle 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 Paris Charles de Gaulle Airport?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Paris Charles de Gaulle Airport (average of $361). Flying from Ontario to Paris Charles de Gaulle Airport 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

Traveling to a place near Paris Charles de Gaulle Airport?

Book flights to Paris Charles de Gaulle Airport if you plan to visit one of these locations
Roissy-en-France
Nanterre
Tremblay-en-France
Issy-les-Moulineaux
Saint-Denis
Auxerre
Ivry-sur-Seine
Cergy
Massy
Levallois-Perret
Beauvais
Courbevoie
Villepinte
Vincennes
Versailles
Magny-le-Hongre
Neuilly-sur-Seine
Suresnes
Vanves
Serris

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