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$399+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PAR
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/16. 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 12/314:47 pmONT - CDG
2 stops20h 38mBritish Airways
Sat 1/177:05 amCDG - ONT
2 stops20h 40mBritish Airways
Deal found 12/16$752
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/3110:42 amONT - CDG
1 stop13h 58mUnited Airlines
Sat 1/1711:15 amCDG - ONT
2 stops20h 38mUnited Airlines
Deal found 12/16$757
This United Airlines deal was found by Cheapflights users on 12/16. 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 1/1312:00 pmCDG - ONT
2 stops19h 53mUnited Airlines
Deal found 12/16$759
This Finnair deal was found by Cheapflights users on 12/16. 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
Sat 1/3111:05 amCDG - ONT
1 stop16h 40mMultiple Airlines
Deal found 12/16$773
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amONT - CDG
1 stop15h 50mDelta
Tue 1/610:20 amCDG - ONT
1 stop14h 52mDelta
Deal found 12/17$893
This Virgin Atlantic deal was found by Cheapflights users on 12/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amONT - CDG
2 stops17h 25mVirgin Atlantic
Tue 1/610:20 amCDG - ONT
1 stop14h 52mVirgin Atlantic
Deal found 12/16$898
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:47 pmONT - CDG
2 stops20h 33mBritish Airways
Tue 1/137:10 amCDG - ONT
2 stops20h 35mBritish Airways
Deal found 12/17$1,102
This Delta deal was found by Cheapflights users on 12/16. 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 12/307:05 amONT - CDG
1 stop14h 05mDelta
Tue 1/610:20 amCDG - ONT
1 stop14h 52mDelta
Deal found 12/16$1,242
This oojo deal was found by Cheapflights users on 12/16. 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 12/314:47 pmONT - CDG
2 stops20h 38mBritish Airways
Tue 1/66:25 pmCDG - ONT
2 stops33h 20mBritish Airways
Deal found 12/16$1,582
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/3110:42 amONT - CDG
1 stop13h 58mUnited Airlines
Wed 1/79:10 amCDG - ONT
2 stops20h 48mUnited Airlines
Deal found 12/16$1,589
This Finnair deal was found by Cheapflights users on 12/16. 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
Wed 1/711:05 amCDG - ONT
1 stop16h 40mMultiple Airlines
Deal found 12/16$1,603
This United Airlines deal was found by Cheapflights users on 12/16. 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 1/611:40 amCDG - ONT
2 stops18h 18mUnited Airlines
Deal found 12/16$1,608

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$549
(United Airlines)

One-way from

$399
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$1,347
Provider with most accurate pricing for Ontario-Paris (PAR) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Paris (PAR) flights.
Search Deals
From Ontario to Paris (PAR)
Search Deals
One-way flight from Ontario to Paris (PAR)
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($52 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 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 December 18, 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

Thu 1/29

4:45 pm-7:35 pm

2 stops17h 50m

Paris Charles de Gaulle

Tue 2/3

11:30 am-10:48 pm

2 stops20h 18m

$552

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/29

4:45 pm-7:35 pm

2 stops17h 50m

Paris Charles de Gaulle

Wed 2/11

3:05 pm-10:04 pm

2 stops39h 59m

$552

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 1/14

7:30 am-9:20 am

1 stop16h 50m

Paris Charles de Gaulle

Wed 1/21

7:10 am-9:05 pm

2 stops22h 55m

$560

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 1/20

6:00 am-8:15 am

1 stop17h 15m

Paris Charles de Gaulle

Sat 1/31

7:10 am-10:51 pm

2 stops24h 41m

$560

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sat 1/17

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

$564

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 1/23

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

$573

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/29

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

$573

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 1/20

6:00 am-8:15 am

1 stop17h 15m

Paris Charles de Gaulle

Sat 1/31

10:20 am-9:48 pm

1 stop20h 28m

$573

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 2/2

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

$573

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 1/29

10:58 am-9:05 am

1 stop13h 07m

Paris Charles de Gaulle

Mon 2/2

11:05 am-6:45 pm

1 stop16h 40m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 December.
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 December 18, 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 British Airways, Delta, and Iberia fly from Ontario to Paris in about 16h 50m. The time it takes to get you to your destination can typically vary by up to 20h 37m. 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
Magny-le-Hongre
Orly
Serris
Villepinte
Vincennes
Versailles
Courbevoie
Neuilly-sur-Seine
Saint-Denis
Suresnes

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