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$315+ Cheap flights from Ontario (ONT) to Paris (PAR)

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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PAR
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from Ontario to Paris

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Paris (PAR). 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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$552
(Mytrip)

One-way from

$315
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$866
Provider with most accurate pricing for Ontario-Paris (PAR) flight deals.
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Provider most trusted by Cheapflights users for Ontario-Paris (PAR) flights.
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From Ontario to Paris (PAR)
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One-way flight from Ontario to Paris (PAR)
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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 ($47 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Ontario to Paris

Cheapest flights from Ontario to Paris
Explore the most affordable flight options available from Ontario to Paris. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/19. 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 12/3010:42 amONT - CDG
1 stop13h 58mUnited Airlines
Tue 1/1310:20 amCDG - ONT
2 stops21h 33mUnited Airlines
Deal found 11/19$554
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/3010:42 amONT - CDG
1 stop13h 58mUnited Airlines
Wed 1/146:00 amCDG - ONT
2 stops25h 53mUnited Airlines
Deal found 11/19$557
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/296:39 pmONT - CDG
1 stop30h 01mUnited Airlines
Sun 1/189:55 amCDG - ONT
2 stops34h 23mUnited Airlines
Deal found 11/19$558
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/2911:59 pmONT - CDG
1 stop24h 56mUnited Airlines
Tue 1/1310:20 amCDG - ONT
2 stops21h 33mUnited Airlines
Deal found 11/19$559
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/2911:59 pmONT - CDG
1 stop24h 56mUnited Airlines
Mon 1/1212:00 pmCDG - ONT
2 stops19h 53mUnited Airlines
Deal found 11/19$563
This Finnair deal was found by Cheapflights users on 11/18. 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.
Mon 12/2910:50 amONT - CDG
1 stop13h 15mMultiple Airlines
Wed 1/1411:05 amCDG - ONT
1 stop16h 40mMultiple Airlines
Deal found 11/18$572
This United Airlines deal was found by Cheapflights users on 11/18. 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 12/2711:59 pmONT - CDG
1 stop24h 56mUnited Airlines
Sun 1/1812:00 pmCDG - ONT
2 stops19h 53mUnited Airlines
Deal found 11/18$665
This Finnair deal was found by Cheapflights users on 11/19. 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.
Mon 12/2910:50 amONT - CDG
1 stop13h 15mMultiple Airlines
Mon 1/1911:05 amCDG - ONT
1 stop16h 40mMultiple Airlines
Deal found 11/19$672
This Justfly.com deal was found by Cheapflights users on 11/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amONT - CDG
1 stop17h 15mAir France
Sun 1/1810:20 amCDG - ONT
1 stop20h 28mAir France
Deal found 11/18$729
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 12/312:12 pmONT - CDG
2 stops19h 53mDelta
Sun 12/77:10 amCDG - ONT
2 stops18h 57mDelta
Deal found 11/19$755
This United Airlines deal was found by Cheapflights users on 11/17. 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 12/56:00 amONT - CDG
1 stop18h 40mUnited Airlines
Fri 12/1212:05 pmCDG - ONT
3 stops43h 44mUnited Airlines
Deal found 11/17$756
This United Airlines deal was found by Cheapflights users on 11/18. 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
Mon 12/159:55 amCDG - ONT
2 stops21h 54mUnited Airlines
Deal found 11/18$758

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Paris 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 November 20, 2025.
Use the filters below to find and compare flights from Ontario to Paris that are best for you.

Fly from

Ontario

Fly to

Paris

Route

Depart

Return

Price

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 1/14

5:05 am-10:30 am

2 stops20h 25m

Paris Charles de Gaulle

Sun 1/25

2:25 pm-10:53 pm

2 stops17h 28m

$554

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 1/12

6:00 am-9:05 am

1 stop18h 05m

Paris Charles de Gaulle

Mon 1/19

6:50 am-10:48 pm

2 stops24h 58m

$557

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 1/11

1:24 pm-10:30 am

2 stops36h 06m

Paris Charles de Gaulle

Sun 1/18

12:00 pm-10:53 pm

2 stops19h 53m

$557

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

$562

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 2/17

10:59 am-9:05 am

1 stop13h 06m

Paris Charles de Gaulle

Tue 2/24

11:05 am-6:40 pm

1 stop16h 35m

$562

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/8

12:41 pm-1:15 pm

1 stop15h 34m

Paris Charles de Gaulle

Thu 1/15

7:35 am-4:12 pm

2 stops17h 37m

$569

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 1/28

12:41 pm-1:15 pm

1 stop15h 34m

Paris Charles de Gaulle

Sun 2/1

10:20 am-4:15 pm

1 stop14h 55m

$572

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/22

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Fri 1/30

11:05 am-6:45 pm

1 stop16h 40m

$572

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/22

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Tue 1/27

11:05 am-6:45 pm

1 stop16h 40m

$572

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 12/29

10:50 am-9:05 am

1 stop13h 15m

Paris Charles de Gaulle

Wed 1/14

11:05 am-6:45 pm

1 stop16h 40m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 40 results
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Compare providers for flights from Ontario to Paris

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 Paris in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Paris flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Paris flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Paris 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 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 Paris

Have a flexible travel schedule? Discover the best time to fly to Paris 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

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

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

Find hourly flight availability from Ontario to Paris. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Paris in the afternoon. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the evening.

Related info for your journey

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

    If you book a flight to Paris from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Paris per day from 0 different airlines.

  • How long is the flight from Ontario to Paris?

    Airlines like United Airlines and Iberia fly from Ontario to Paris in about 20h 25m. The time it takes to get you to your destination can typically vary by up to 2h 10m. Ontario and Paris are separated by a distance of 5619 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Paris 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?

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

Book flights to Paris 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
Courbevoie
Villepinte
Vincennes
Versailles
Magny-le-Hongre
Neuilly-sur-Seine
Saint-Denis
Suresnes
Vanves
Serris

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