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Ontario

$474+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
PAR — ONT
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
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 May 12, 2026.

This United Airlines deal was found by Cheapflights users on 5/8. 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 8/3111:20 am
CDG
-
ONT
2 stops20h 39m
United Airlines
Sat 9/127:13 pm
ONT
-
CDG
1 stop30h 12m
United Airlines
Deal found 5/8$734
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Fri 6/1910:35 am
CDG
-
ONT
2 stops21h 02m
United Airlines
Mon 6/226:05 am
ONT
-
CDG
2 stops26h 40m
United Airlines
Deal found 5/10$741
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:50 am
CDG
-
ONT
2 stops37h 58m
American Airlines
Sun 10/42:22 pm
ONT
-
CDG
2 stops21h 13m
American Airlines
Deal found 5/11$742
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 11/137:25 am
ORY
-
ONT
2 stops23h 58m
American Airlines
Tue 11/176:10 am
ONT
-
ORY
2 stops22h 25m
American Airlines
Deal found 5/7$748
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:10 am
ORY
-
ONT
2 stops32h 19m
American Airlines
Sun 10/410:25 am
ONT
-
ORY
2 stops24h 30m
American Airlines
Deal found 5/11$749
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Tue 8/1812:45 pm
CDG
-
ONT
2 stops19h 13m
American Airlines
Tue 8/257:06 am
ONT
-
CDG
1 stop17h 54m
American Airlines
Deal found 5/9$751
This Iberia deal was found by Cheapflights users on 5/9. 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.
Wed 9/1610:00 am
CDG
-
ONT
1 stop17h 57m
Iberia
Thu 10/17:20 am
ONT
-
CDG
1 stop15h 25m
Iberia
Deal found 5/9$752
This Iberia deal was found by Cheapflights users on 5/12. 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.
Fri 9/410:00 am
CDG
-
ONT
1 stop17h 47m
Iberia
Sat 9/197:20 am
ONT
-
CDG
1 stop15h 25m
Iberia
Deal found 5/12$753
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:00 am
CDG
-
ONT
1 stop34h 42m
American Airlines
Sat 9/122:22 pm
ONT
-
CDG
1 stop32h 23m
American Airlines
Deal found 5/11$754
This British Airways deal was found by Cheapflights users on 5/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:10 am
CDG
-
ONT
2 stops23h 48m
British Airways
Tue 10/2710:25 am
ONT
-
CDG
2 stops16h 15m
British Airways
Deal found 5/8$755
This Delta deal was found by Cheapflights users on 5/12. 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.
Mon 6/17:10 am
CDG
-
ONT
2 stops18h 58m
Delta
Sun 6/77:05 am
ONT
-
CDG
1 stop20h 25m
Delta
Deal found 5/12$758
This Iberia deal was found by Cheapflights users on 5/9. 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.
Wed 9/1612:45 pm
ORY
-
ONT
2 stops19h 21m
Iberia
Mon 10/1210:25 am
ONT
-
ORY
2 stops24h 40m
Iberia
Deal found 5/9$784

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 May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$733
(United Airlines)

One-way from

$474
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$720
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. 5% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 12, 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

ORY - ONT

ORYONT

Paris Orly

Thu 10/1

10:10 am-9:29 am

2 stops32h 19m

Ontario

Sun 10/4

10:25 am-7:55 pm

2 stops24h 30m

$749

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Fri 6/19

7:10 am-5:19 pm

2 stops19h 09m

Ontario

Mon 6/22

6:20 am-1:50 pm

1 stop22h 30m

$759
Quickest round-trip

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Wed 10/21

9:15 am-3:22 pm

1 stop15h 07m

Ontario

Wed 11/4

11:20 am-9:40 am

1 stop13h 20m

$765

ParisOntario

ORY - ONT

ORYONT

Paris Orly

Thu 8/20

5:20 pm-6:58 pm

2 stops58h 38m

Ontario

Mon 8/24

10:29 am-10:05 pm

2 stops26h 36m

$805

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Thu 6/4

8:25 am-11:56 pm

2 stops24h 31m

Ontario

Sun 6/14

4:35 pm-9:10 pm

2 stops19h 35m

$897

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Tue 8/18

11:15 am-7:57 pm

1 stop17h 42m

Ontario

Sun 9/6

9:01 am-10:25 am

1 stop16h 24m

$940

ParisOntario

ORY - ONT

ORYONT

Paris Orly

Sat 10/3

12:45 pm-11:06 pm

2 stops19h 21m

Ontario

Sat 10/10

2:22 pm-9:20 am

2 stops33h 58m

$984

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Mon 8/10

9:15 am-5:54 pm

1 stop17h 39m

Ontario

Tue 8/25

9:01 am-10:25 am

1 stop16h 24m

$1,043

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Thu 9/17

2:00 pm-11:24 pm

2 stops18h 24m

Ontario

Thu 10/1

3:12 pm-4:15 pm

2 stops16h 03m

$1,270

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Wed 9/23

2:00 pm-10:00 pm

2 stops17h 00m

Ontario

Wed 9/30

3:12 pm-4:15 pm

2 stops16h 03m

$1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 42 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
No data available for this route at this time. Please check back soon.

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 18h 31m. 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.

See more FAQs

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