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Ontario

$471+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
PAR — ONT
Apr 29 — May 61
Wed 4/29
Wed 5/6
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 March 30, 2026.

This United Airlines deal was found by Cheapflights users on 3/30. 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 4/169:40 am
CDG
-
ONT
2 stops21h 51m
United Airlines
Mon 4/206:49 pm
ONT
-
CDG
2 stops29h 31m
United Airlines
Deal found 3/30$731
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/297:45 am
CDG
-
ONT
2 stops23h 46m
United Airlines
Sun 5/310:37 am
ONT
-
CDG
1 stop14h 48m
United Airlines
Deal found 3/28$732
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:20 am
CDG
-
ONT
2 stops21h 11m
United Airlines
Mon 4/136:49 pm
ONT
-
CDG
2 stops29h 31m
United Airlines
Deal found 3/26$736
This Flighttix deal was found by Cheapflights users on 3/30. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:15 pm
CDG
-
ONT
1 stop17h 52m
British Airways
Mon 4/2011:29 pm
ONT
-
CDG
1 stop23h 16m
British Airways
Deal found 3/30$748
This American Airlines deal was found by Cheapflights users on 3/29. 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 4/226:50 am
CDG
-
ONT
2 stops25h 56m
American Airlines
Tue 5/54:52 pm
ONT
-
CDG
2 stops29h 28m
American Airlines
Deal found 3/29$757
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/219:15 am
CDG
-
ONT
1 stop17h 47m
United Airlines
Thu 4/3010:45 am
ONT
-
CDG
1 stop14h 40m
United Airlines
Deal found 3/30$762
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/159:15 am
CDG
-
ONT
1 stop17h 32m
United Airlines
Fri 5/296:00 am
ONT
-
CDG
1 stop19h 25m
United Airlines
Deal found 3/28$763
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:15 am
CDG
-
ONT
1 stop17h 32m
United Airlines
Thu 4/2311:05 am
ONT
-
CDG
1 stop14h 20m
United Airlines
Deal found 3/26$767
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:45 pm
ORY
-
ONT
2 stops20h 01m
American Airlines
Mon 4/202:08 pm
ONT
-
ORY
2 stops19h 02m
American Airlines
Deal found 3/25$775
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/2910:10 am
ORY
-
ONT
2 stops36h 08m
American Airlines
Sun 5/36:00 am
ONT
-
ORY
2 stops46h 25m
American Airlines
Deal found 3/28$778
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:50 pm
ORY
-
ONT
2 stops28h 54m
Multiple Airlines
Fri 5/88:17 pm
ONT
-
ORY
1 stop35h 03m
Multiple Airlines
Deal found 3/25$1,054
This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:45 pm
ORY
-
ONT
2 stops19h 21m
American Airlines
Sat 10/242:22 pm
ONT
-
ORY
2 stops18h 08m
American Airlines
Deal found 3/25$1,081

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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$732
(United Airlines)

One-way from

$471
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$712
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. 8% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 30, 2026.
Use the filters below to find and compare flights from Paris to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Wed 4/29

7:45 am-10:31 pm

2 stops23h 46m

Ontario

Sun 5/3

6:00 am-12:35 pm

2 stops21h 35m

$731

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Fri 5/1

11:15 am-10:35 pm

1 stop20h 20m

Ontario

Sun 5/17

6:00 am-10:25 am

1 stop19h 25m

$767

ParisOntario

ORY - ONT

ORYONT

Paris Orly

Wed 4/29

12:45 pm-6:37 pm

2 stops38h 52m

Ontario

Sun 5/3

6:00 am-1:25 pm

2 stops46h 25m

$779

ParisOntario

ORY - ONT

ORYONT

Paris Orly

Fri 5/1

2:50 pm-10:44 am

2 stops28h 54m

Ontario

Fri 5/8

8:17 pm-4:20 pm

1 stop35h 03m

$1,054

ParisOntario

ORY - ONT

ORYONT

Paris Orly

Wed 4/29

10:10 am-11:46 pm

2 stops22h 36m

Ontario

Wed 5/6

10:59 am-1:25 pm

2 stops17h 26m

$1,094

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Wed 9/16

8:55 am-9:45 pm

2 stops45h 50m

Ontario

Sat 10/3

11:35 pm-6:55 am

2 stops46h 20m

$1,219

ParisOntario

ORY - ONT

ORYONT

Paris Orly

Tue 9/1

12:45 pm-11:06 pm

2 stops19h 21m

Ontario

Sat 9/12

10:25 am-4:30 pm

2 stops21h 05m

$1,243

ParisOntario

ORY - ONT

ORYONT

Paris Orly

Wed 9/9

10:10 am-6:57 pm

2 stops41h 47m

Ontario

Sun 9/13

6:00 am-8:05 pm

2 stops29h 05m

$1,258

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Fri 9/18

2:00 pm-10:10 pm

2 stops17h 10m

Ontario

Wed 9/30

12:00 pm-4:15 pm

2 stops19h 15m

$1,267

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Mon 5/18

4:10 pm-10:10 pm

2 stops63h 00m

Ontario

Sun 5/31

10:41 pm-3:05 pm

2 stops31h 24m

$1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 41 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on Paris-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Paris-Ontario flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $320). Flying from Paris to Ontario in July is currently the most expensive (average of $542). 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.

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 23h 46m. 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 $320). Flying from Paris to Ontario in July is currently the most expensive (average of $542). 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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