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Ontario

$370+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
PAR — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap 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 junio 12, 2025.

Round-trip from

$522
(United Airlines)

One-way from

$370
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$690
From Paris (PAR) to Ontario
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One-way flight from Paris (PAR) to Ontario
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Highest demand for flights based on searches. 15% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 10/2510:40 amCDG - ONT
2 stops21h 02mUnited Airlines
vie. 10/315:40 amONT - CDG
2 stops20h 15mUnited Airlines
Deal found 6/10$522
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/102:10 pmCDG - ONT
2 stops17h 20mMultiple Airlines
jue. 9/185:10 amONT - CDG
2 stops16h 40mMultiple Airlines
Deal found 6/11$552
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 10/112:45 pmORY - ONT
2 stops30h 20mAmerican Airlines
mar. 10/1410:55 amONT - ORY
2 stops17h 30mAmerican Airlines
Deal found 6/11$558
This Iberia deal was found by Cheapflights users on 6/12. 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.
jue. 6/2611:00 amCDG - ONT
1 stop17h 01mIberia
jue. 7/1010:53 amONT - CDG
1 stop14h 07mIberia
Deal found 6/12$560
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/2610:25 pmCDG - ONT
2 stops29h 36mBritish Airways
lun. 6/302:40 pmONT - CDG
2 stops19h 10mBritish Airways
Deal found 6/10$591
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/47:25 amORY - ONT
2 stops24h 08mIberia
vie. 10/1710:55 amONT - ORY
2 stops17h 30mIberia
Deal found 6/10$606
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 8/2711:00 amCDG - ONT
1 stop33h 53mAmerican Airlines
dom. 8/3111:59 pmONT - CDG
1 stop25h 01mAmerican Airlines
Deal found 6/11$667
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1311:00 amCDG - ONT
1 stop14h 14mKLM
lun. 10/2711:29 amONT - CDG
1 stop13h 41mKLM
Deal found 6/11$808
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/266:50 pmORY - ONT
2 stops33h 24mMultiple Airlines
lun. 6/309:41 pmONT - ORY
1 stop29h 14mMultiple Airlines
Deal found 6/12$970
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/269:00 amCDG - ONT
2 stops20h 54mAir Canada
sáb. 7/55:05 amONT - CDG
2 stops16h 45mAir Canada
Deal found 6/9$1,032
This Air France deal was found by Cheapflights users on 6/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/27:05 amORY - ONT
2 stops21h 15mAir France
sáb. 8/2311:45 amONT - ORY
2 stops18h 50mAir France
Deal found 6/12$2,675

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 junio 12, 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

sáb. 10/25

10:40 am-10:42 pm

2 stops21h 02m

Ontario

vie. 10/31

5:40 am-9:55 am

2 stops20h 15m

$522

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

mié. 9/10

2:10 pm-10:30 pm

2 stops17h 20m

Ontario

jue. 9/18

5:10 am-6:50 am

2 stops16h 40m

$552

ParisOntario

ORY - ONT

ORYONT

Paris Orly

mié. 10/1

12:45 pm-10:05 am

2 stops30h 20m

Ontario

mar. 10/14

10:55 am-1:25 pm

2 stops17h 30m

$558

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

jue. 6/26

11:00 am-7:01 pm

1 stop17h 01m

Ontario

jue. 7/10

10:53 am-10:00 am

1 stop14h 07m

$560

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

jue. 6/26

11:00 am-11:59 pm

1 stop21h 59m

Ontario

dom. 6/29

6:10 am-10:00 am

1 stop18h 50m

$564

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

jue. 6/26

10:25 pm-7:01 pm

2 stops29h 36m

Ontario

lun. 6/30

2:40 pm-6:50 pm

2 stops19h 10m

$591

ParisOntario

ORY - ONT

ORYONT

Paris Orly

sáb. 10/4

7:25 am-10:33 pm

2 stops24h 08m

Ontario

vie. 10/17

10:55 am-1:25 pm

2 stops17h 30m

$606

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

lun. 10/13

11:00 am-4:14 pm

1 stop14h 14m

Ontario

lun. 10/27

11:29 am-9:10 am

1 stop13h 41m

$808

ParisOntario

ORY - ONT

ORYONT

Paris Orly

jue. 6/26

6:50 pm-7:14 pm

2 stops33h 24m

Ontario

lun. 6/30

9:41 pm-11:55 am

1 stop29h 14m

$970

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

jue. 6/26

9:00 am-8:54 pm

2 stops20h 54m

Ontario

sáb. 7/5

5:05 am-6:50 am

2 stops16h 45m

$1,032

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 21 results
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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, August is the cheapest month in which you can book a flight from Paris to Ontario (average of $246). Flying from Paris to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Paris to Ontario, such as Delta, KLM and Air France. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.3
Good
2,925 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Paris to Ontario round-trip?

    Currently priced at $522, United Airlines will fly you from Paris to Ontario and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Iberia - these airlines can fly you to your destination from $558 and $560, respectively.

  • What are the cheapest airlines to fly from Paris to Ontario one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as $765. Users have also found prices from $772 and $907 on JetBlue and British Airways, respectively.

  • 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, August is the cheapest month in which you can book a flight from Paris to Ontario (average of $246). Flying from Paris to Ontario in March is currently the most expensive (average of $328). 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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Alternative routes for Paris to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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