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Charles de Gaulle

$375+ 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 1/14. 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 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 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.
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 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
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:42 amONT - CDG
3 stops35h 48mMultiple Airlines
Fri 12/197:40 amCDG - ONT
2 stops20h 04mMultiple Airlines
Deal found 12/11$1,479
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.
Wed 12/2410:42 amONT - CDG
1 stop13h 58mUnited Airlines
Sun 12/289:00 amCDG - ONT
1 stop22h 41mUnited Airlines
Deal found 12/10$1,486
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
Fri 1/911:15 amCDG - ONT
2 stops20h 38mUnited Airlines
Deal found 12/10$1,556
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:50 amONT - CDG
1 stop13h 15mMultiple Airlines
Mon 1/1211:05 amCDG - ONT
1 stop16h 40mMultiple Airlines
Deal found 12/10$1,571

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$550
(Mytrip)

One-way from

$375
(AirNGo)

Popular in

June

Cheapest in

February

Average price

$976
Provider with most accurate pricing for Ontario-Paris Charles de Gaulle flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Paris Charles de Gaulle flights.
Search Deals
From Ontario to Paris Charles de Gaulle
Search Deals
One-way flight from Ontario to Paris Charles de Gaulle
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($70 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 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 December 12, 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

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

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 1/21

6:00 am-10:30 am

2 stops19h 30m

Paris Charles de Gaulle

Thu 1/29

12:00 pm-10:53 pm

2 stops19h 53m

$561

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/15

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Wed 1/28

11:05 am-6:45 pm

1 stop16h 40m

$563

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/8

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Wed 1/21

11:05 am-6:45 pm

1 stop16h 40m

$563

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 2/8

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Wed 2/18

11:05 am-6:39 pm

1 stop16h 34m

$563

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 1/30

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Tue 2/10

11:05 am-6:45 pm

1 stop16h 40m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 December 12, 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.

How much does it cost to fly round-trip from Ontario to Paris Charles de Gaulle Airport?

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 15h 45m. Delta provides one of the quickest options available for as low as $559. The distance between Ontario and Paris Charles de Gaulle Airport is about 5619 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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
Auxerre
Ivry-sur-Seine
Cergy
Massy
Levallois-Perret
Beauvais
Magny-le-Hongre
Orly
Serris
Villepinte
Vincennes
Versailles
Courbevoie
Neuilly-sur-Seine
Saint-Denis
Suresnes

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