HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$534+ Cheap flights from France to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
CDG — ONT
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from France to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from France to Ontario

Keep the following information in mind while searching for France to Ontario flight deals. Data was last updated July 25, 2025.

Round-trip from

$534
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$883
From France to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from France to Ontario

Cheapest flights from France to Ontario
Explore the most affordable flight options available from France to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2025.

This United Airlines deal was found by Cheapflights users on 7/23. 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 11/18:45 amCDG - ONT
2 stops19h 59mUnited Airlines
Sat 11/87:00 amONT - CDG
1 stop17h 55mUnited Airlines
Deal found 7/23$534
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/166:45 amLYS - ONT
2 stops19h 52mUnited Airlines
Tue 9/307:02 amONT - LYS
2 stops18h 33mUnited Airlines
Deal found 7/23$535
This United Airlines deal was found by Cheapflights users on 7/22. 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 10/36:45 amNCE - ONT
2 stops38h 28mUnited Airlines
Tue 10/74:15 pmONT - NCE
2 stops32h 45mUnited Airlines
Deal found 7/22$537
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/101:35 pmLYS - ONT
2 stops31h 20mAmerican Airlines
Fri 9/192:54 pmONT - LYS
2 stops18h 31mAmerican Airlines
Deal found 7/23$541
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/16:05 amMRS - ONT
2 stops20h 35mUnited Airlines
Fri 10/106:27 pmONT - MRS
2 stops37h 28mUnited Airlines
Deal found 7/23$541
This American Airlines deal was found by Cheapflights users on 7/24. 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 10/312:45 pmNCE - ONT
2 stops34h 09mAmerican Airlines
Tue 10/72:51 pmONT - NCE
2 stops20h 44mAmerican Airlines
Deal found 7/24$545
This American Airlines deal was found by Cheapflights users on 7/24. 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 10/132:30 pmMRS - ONT
2 stops41h 12mAmerican Airlines
Thu 10/3010:57 amONT - MRS
2 stops39h 28mAmerican Airlines
Deal found 7/24$547
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/610:00 amTLS - ONT
2 stops21h 30mUnited Airlines
Sat 9/131:15 pmONT - TLS
2 stops34h 10mUnited Airlines
Deal found 7/22$548
This American Airlines deal was found by Cheapflights users on 7/24. 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 10/18:10 amCDG - ONT
2 stops23h 23mAmerican Airlines
Mon 10/62:46 pmONT - CDG
2 stops16h 54mAmerican Airlines
Deal found 7/24$553
This British Airways deal was found by Cheapflights users on 7/23. 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.
Fri 9/58:05 amCDG - ONT
2 stops23h 28mBritish Airways
Sun 9/214:45 pmONT - CDG
2 stops15h 45mBritish Airways
Deal found 7/23$554
This Lufthansa deal was found by Cheapflights users on 7/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:15 amCDG - ONT
1 stop20h 18mMultiple Airlines
Mon 10/207:02 amONT - CDG
1 stop17h 18mMultiple Airlines
Deal found 7/23$561
This Iberia deal was found by Cheapflights users on 7/24. 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 9/1011:00 amCDG - ONT
1 stop20h 33mIberia
Sun 9/1410:55 amONT - CDG
1 stop14h 05mIberia
Deal found 7/24$565

Cheapflights Fare Finder

 
Customize your flight search to find flights from France 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 July 25, 2025.
Use the filters below to find and compare flights from France to Ontario that are best for you.

Fly from

France

Fly to

Ontario

Route

Depart

Return

Price

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Sat 11/1

8:45 am-8:44 pm

2 stops19h 59m

Ontario

Sat 11/8

7:00 am-9:55 am

1 stop17h 55m

$534

LyonOntario

LYS - ONT

LYSONT

Lyon-Saint Exupéry

Tue 9/16

6:45 am-5:37 pm

2 stops19h 52m

Ontario

Tue 9/30

7:02 am-10:35 am

2 stops18h 33m

$535

NiceOntario

NCE - ONT

NCEONT

Nice Côte d'Azur

Fri 10/3

6:45 am-12:13 pm

2 stops38h 28m

Ontario

Tue 10/7

4:15 pm-10:00 am

2 stops32h 45m

$537

LyonOntario

LYS - ONT

LYSONT

Lyon-Saint Exupéry

Wed 9/10

1:35 pm-11:55 am

2 stops31h 20m

Ontario

Fri 9/19

2:54 pm-6:25 pm

2 stops18h 31m

$541

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Wed 10/1

6:05 am-5:40 pm

2 stops20h 35m

Ontario

Fri 10/10

6:27 pm-4:55 pm

2 stops37h 28m

$541

NiceOntario

NCE - ONT

NCEONT

Nice Côte d'Azur

Fri 10/3

12:45 pm-1:54 pm

2 stops34h 09m

Ontario

Tue 10/7

2:51 pm-8:35 pm

2 stops20h 44m

$545

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Mon 10/13

2:30 pm-10:42 pm

2 stops41h 12m

Ontario

Thu 10/30

10:57 am-10:25 am

2 stops39h 28m

$547

ToulouseOntario

TLS - ONT

TLSONT

Toulouse Blagnac

Sat 9/6

10:00 am-10:30 pm

2 stops21h 30m

Ontario

Sat 9/13

1:15 pm-8:25 am

2 stops34h 10m

$548

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Wed 10/1

8:10 am-10:33 pm

2 stops23h 23m

Ontario

Mon 10/6

2:46 pm-4:40 pm

2 stops16h 54m

$553

ParisOntario

CDG - ONT

CDGONT

Paris Charles de Gaulle

Fri 9/5

8:05 am-10:33 pm

2 stops23h 28m

Ontario

Sun 9/21

4:45 pm-5:30 pm

2 stops15h 45m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from France to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from France to Ontario (average of $246). Flying from France 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.

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 July 25, 2025.
Read through reviews of airlines operating flights from France to Ontario, such as Delta, KLM, and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
7,967 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
1,375 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
1,462 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8,880 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,967 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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 France 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 France?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from France. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    $591 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Iberia and Avianca, with prices starting from $772 and $801, respectively.

  • What are the most popular routes from France to Ontario?

    While some choose either Nice Côte d'Azur - Ontario or Marseille - Ontario, Paris Charles de Gaulle - Ontario is the most popular route from France to Ontario.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from France to Ontario (average of $246). Flying from France 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for France to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Los Angeles flights
Frankfurt to Los Angeles flights
Heathrow to Los Angeles flights
Charles de Gaulle to San Francisco flights
Frankfurt to San Francisco flights
Orly to Los Angeles flights
Frankfurt to Las Vegas flights
Heathrow to San Francisco flights
Charles de Gaulle to Long Beach flights
Madrid to Los Angeles flights
Barcelona-El Prat to Los Angeles flights
Charles de Gaulle to Burbank flights
Munich to San Francisco flights
Beauvais-Tille to Los Angeles flights
Leonardo da Vinci/Fiumicino to San Francisco flights
Heathrow to Las Vegas flights
Vienna to Los Angeles flights
Frankfurt to Ontario flights
Munich to Los Angeles flights
Amsterdam to Los Angeles flights
Barcelona-El Prat to San Francisco flights
Frankfurt to Santa Ana flights
Frankfurt to Long Beach flights
Frederic Chopin to Los Angeles flights
London City to Los Angeles flights
Charles de Gaulle to Las Vegas flights
Gatwick to San Francisco flights
Duesseldorf Intl to Los Angeles flights
Amsterdam to Las Vegas flights
Orly to Las Vegas flights
Amsterdam to San Francisco flights
Frankfurt to San Jose flights
Malpensa to Los Angeles flights
Gatwick to Los Angeles flights
Frankfurt to Oakland flights
London City to San Francisco flights
Zurich to San Francisco flights
Zurich to Los Angeles flights
Madrid to San Francisco flights
Orly to San Francisco flights
Istanbul to Los Angeles flights
Duesseldorf Intl to Ontario flights
Linate to Los Angeles flights
Istanbul to San Francisco flights
Madrid to Ontario flights
Heathrow to Santa Ana flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.