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Ontario

$477+ Cheap flights from Paris (PAR) to Ontario (ONT)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PAR — ONT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Paris to Ontario

Cheapest flights from Paris to Ontario
Explore the most affordable flight options available from Paris to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 12/319:00 amCDG - ONT
1 stop22h 33mUnited Airlines
Mon 1/56:00 amONT - CDG
1 stop18h 40mUnited Airlines
Deal found 12/15$1,097
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/276:25 amCDG - ONT
2 stops25h 16mUnited Airlines
Sun 1/116:00 amONT - CDG
2 stops16h 25mUnited Airlines
Deal found 12/15$1,123
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 amCDG - ONT
2 stops22h 58mAmerican Airlines
Thu 1/87:16 amONT - CDG
1 stop16h 49mAmerican Airlines
Deal found 12/16$1,151
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/239:00 amCDG - ONT
1 stop17h 43mUnited Airlines
Tue 12/3010:42 amONT - CDG
1 stop13h 58mUnited Airlines
Deal found 12/15$1,156
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:00 amCDG - ONT
1 stop17h 51mUnited Airlines
Sun 1/410:42 amONT - CDG
1 stop13h 58mUnited Airlines
Deal found 12/17$1,158
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/319:00 amCDG - ONT
1 stop22h 33mUnited Airlines
Tue 3/3111:00 amONT - CDG
1 stop14h 25mUnited Airlines
Deal found 12/15$1,179
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:00 amCDG - ONT
1 stop17h 43mLufthansa
Sat 1/36:39 pmONT - CDG
1 stop30h 01mLufthansa
Deal found 12/16$1,211
This Kissandfly.com deal was found by Cheapflights users on 12/15. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:00 amCDG - ONT
1 stop17h 43mLufthansa
Sat 1/36:39 pmONT - CDG
1 stop30h 01mLufthansa
Deal found 12/15$1,212
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:05 amCDG - ONT
1 stop16h 13mBritish Airways
Thu 1/810:58 amONT - CDG
1 stop13h 07mBritish Airways
Deal found 12/17$1,213
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:00 amCDG - ONT
1 stop17h 43mLufthansa
Wed 2/256:09 amONT - CDG
1 stop18h 31mLufthansa
Deal found 12/16$1,214
This Finnair deal was found by Cheapflights users on 12/15. 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.
Thu 12/2511:05 amCDG - ONT
1 stop16h 13mMultiple Airlines
Fri 1/910:58 amONT - CDG
1 stop13h 07mMultiple Airlines
Deal found 12/15$1,225
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:05 amCDG - ONT
1 stop20h 09mIberia
Sun 1/1110:58 amONT - CDG
1 stop13h 07mIberia
Deal found 12/16$1,226

Find flight deals from Paris to Ontario

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

$712
(United Airlines)

One-way from

$477
(JetBlue)

Popular in

July

Cheapest in

September

Average price

$746
Provider with most accurate pricing for Paris (PAR)-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Paris (PAR)-Ontario flights.
Search Deals
From Paris (PAR) to Ontario
Search Deals
One-way flight from Paris (PAR) to Ontario
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($246 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($50 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 Paris to Ontario 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 Paris to Ontario that are best for you.

Fly from

Paris

Fly to

Ontario

Route

Depart

Return

Price

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Mon 2/9

2:25 pm-10:53 pm

2 stops17h 28m

Ontario

Tue 2/17

6:10 am-9:40 am

1 stop18h 30m

$712

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Wed 2/4

10:20 am-10:53 pm

2 stops21h 33m

Ontario

Sun 2/8

5:05 am-9:55 am

2 stops19h 50m

$712

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Sat 1/17

2:40 pm-10:53 pm

2 stops17h 13m

Ontario

Sat 1/24

5:05 am-7:25 am

2 stops17h 20m

$712

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Sat 1/24

6:25 am-5:51 pm

2 stops20h 26m

Ontario

Sat 1/31

6:00 am-7:25 am

2 stops16h 25m

$713

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Fri 1/23

2:25 pm-10:53 pm

2 stops17h 28m

Ontario

Mon 1/26

6:00 am-7:25 am

2 stops16h 25m

$713

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Sun 2/1

10:20 am-10:53 pm

2 stops21h 33m

Ontario

Sat 2/7

5:05 am-6:55 am

2 stops16h 50m

$713

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Sat 1/31

11:15 am-10:53 pm

2 stops20h 38m

Ontario

Tue 2/3

5:05 am-6:40 am

2 stops16h 35m

$713

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Sat 1/31

11:15 am-10:53 pm

2 stops20h 38m

Ontario

Thu 2/5

5:05 am-7:25 am

2 stops17h 20m

$713

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Thu 1/29

10:20 am-10:53 pm

2 stops21h 33m

Ontario

Wed 2/4

6:00 am-9:55 am

2 stops18h 55m

$714

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Fri 2/6

2:25 pm-10:53 pm

2 stops17h 28m

Ontario

Fri 2/13

6:10 am-9:40 am

1 stop18h 30m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 41 results
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Compare providers for flights from Paris to Ontario

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

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

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

Currently, May is the cheapest month in which you can book a flight from Paris to Ontario (average of $347). Flying from Paris to Ontario in July is currently the most expensive (average of $566). 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.

How much does it cost to fly round-trip from Paris to Ontario?

Related info for your journey

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

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Paris. On average, Ontario has 0 inbound flights from Paris per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Paris to Ontario?

    Departing from Paris to Ontario will take you 17h 28m. Paris and Ontario are separated by a distance of 5619 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Paris to Ontario 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 Paris to Ontario?

    Currently, May is the cheapest month in which you can book a flight from Paris to Ontario (average of $347). Flying from Paris to Ontario in July is currently the most expensive (average of $566). 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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