HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Paris

$420+ Cheap flights from Ontario (ONT) to Paris (PAR)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PAR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Paris 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 Ontario to Paris

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Paris (PAR). 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 June 12, 2025.

Round-trip from

$726
(JetBlue)

One-way from

$420
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,700
From Ontario to Paris (PAR)
Search Deals
One-way flight from Ontario to Paris (PAR)
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($374 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ontario to Paris

Cheapest flights from Ontario to Paris
Explore the most affordable flight options available from Ontario to Paris. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:59 pmONT - CDG
1 stop26h 26mJetBlue
Tue 8/191:25 pmCDG - ONT
1 stop18h 05mJetBlue
Deal found 6/10$726
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:05 amONT - CDG
1 stop14h 10mVirgin Atlantic
Tue 8/196:15 pmCDG - ONT
2 stops38h 25mVirgin Atlantic
Deal found 6/10$740
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:00 amONT - CDG
1 stop17h 20mUnited Airlines
Tue 8/262:10 pmCDG - ONT
2 stops31h 22mUnited Airlines
Deal found 6/11$746
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:05 amONT - CDG
1 stop14h 10mDelta
Tue 8/193:40 pmCDG - ONT
1 stop15h 40mDelta
Deal found 6/9$760
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:00 amONT - CDG
1 stop13h 05mMultiple Airlines
Wed 11/1911:05 amCDG - ONT
1 stop15h 44mMultiple Airlines
Deal found 6/10$768
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:53 amONT - CDG
1 stop14h 07mIberia
Tue 8/2611:00 amCDG - ONT
1 stop20h 48mIberia
Deal found 6/11$769
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:05 amONT - CDG
3 stops20h 15mAir Canada
Tue 8/199:00 amCDG - ONT
3 stops20h 43mAir Canada
Deal found 6/11$773
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.
Sat 8/3011:59 pmONT - CDG
1 stop22h 21mAmerican Airlines
Sun 9/710:10 amCDG - ONT
2 stops17h 44mAmerican Airlines
Deal found 6/11$884
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.
Fri 12/58:48 amONT - ORY
2 stops24h 22mIberia
Wed 12/107:25 amORY - ONT
2 stops23h 33mIberia
Deal found 6/10$913
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:10 amONT - CDG
1 stop19h 15mLufthansa
Sun 8/172:35 pmCDG - ONT
2 stops17h 17mLufthansa
Deal found 6/11$955
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/237:05 amONT - CDG
1 stop16h 35mKLM
Wed 7/304:00 pmCDG - ONT
1 stop15h 47mKLM
Deal found 6/10$988
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.
Wed 10/156:38 amONT - CDG
2 stops19h 07mBritish Airways
Mon 10/278:35 pmCDG - ONT
2 stops33h 25mBritish Airways
Deal found 6/10$1,038

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Paris 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 June 12, 2025.
Use the filters below to find and compare flights from Ontario to Paris that are best for you.

Fly from

Ontario

Fly to

Paris

Route

Depart

Return

Price

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 8/3

11:59 pm-11:25 am

1 stop26h 26m

Paris Charles de Gaulle

Tue 8/19

1:25 pm-10:30 pm

1 stop18h 05m

$726

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 8/3

7:05 am-6:15 am

1 stop14h 10m

Paris Charles de Gaulle

Tue 8/19

6:15 pm-11:40 pm

2 stops38h 25m

$740

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 8/19

7:00 am-9:20 am

1 stop17h 20m

Paris Charles de Gaulle

Tue 8/26

2:10 pm-12:32 pm

2 stops31h 22m

$746

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 8/3

7:05 am-6:15 am

1 stop14h 10m

Paris Charles de Gaulle

Tue 8/19

3:40 pm-10:20 pm

1 stop15h 40m

$760

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 11/12

11:00 am-9:05 am

1 stop13h 05m

Paris Charles de Gaulle

Wed 11/19

11:05 am-5:49 pm

1 stop15h 44m

$768

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 8/4

10:53 am-10:00 am

1 stop14h 07m

Paris Charles de Gaulle

Tue 8/26

11:00 am-10:48 pm

1 stop20h 48m

$769

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 8/3

5:05 am-10:20 am

3 stops20h 15m

Paris Charles de Gaulle

Tue 8/19

9:00 am-8:43 pm

3 stops20h 43m

$773

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sat 8/30

11:59 pm-7:20 am

1 stop22h 21m

Paris Charles de Gaulle

Sun 9/7

10:10 am-6:54 pm

2 stops17h 44m

$884

OntarioParis

ONT - ORY

ONTORY

Ontario

Fri 12/5

8:48 am-6:10 pm

2 stops24h 22m

Paris Orly

Wed 12/10

7:25 am-9:58 pm

2 stops23h 33m

$913

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 8/1

6:10 am-10:25 am

1 stop19h 15m

Paris Charles de Gaulle

Sun 8/17

2:35 pm-10:52 pm

2 stops17h 17m

$955

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Ontario to Paris

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Paris (average of $595). Flying from Ontario to Paris in June is currently the most expensive (average of $1,104). 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.

What is the cheapest time of day to fly from ONT to PAR?

Find hourly flight availability from Ontario to Paris. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Paris in the evening. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight at noon.

Rainfall in Paris by month

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

In terms of precipitation, rainfall in Paris ranges from 1.6 - 2.5 inches per month. May is typically the wettest month, when rainfall can reach 2.5 in. February is typically the driest time to visit Paris when rainfall is around 1.6 in.

Temperature in Paris by month

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

If weather is an important factor for your trip to Paris, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Paris

Get insights into the airlines that provide service to Paris. 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 Paris. Reviews last updated June 12, 2025.
To help decide which airline to fly from Ontario to Paris, see what other customers have to say about Delta, Alaska Airlines and Air France. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    If you book a flight to Paris from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Paris per day from 2 different airlines.

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

    According to our current data, JetBlue ($726), Virgin Atlantic ($740), and United Airlines ($746) offers the cheapest pricing from Ontario to Paris. You may be able to fly from Ontario to Paris for 32% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Ontario to Paris are British Airways ($511), American Airlines ($514), and Air Canada ($515).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Paris (average of $595). Flying from Ontario to Paris in June is currently the most expensive (average of $1,104). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Roissy-en-France
Nanterre
Serris
Tremblay-en-France
Issy-les-Moulineaux
Saint-Denis
Courbevoie
Auxerre
Ivry-sur-Seine
Vanves
Cergy
Massy
Levallois-Perret
Villepinte
Suresnes
Vincennes
Versailles
Magny-le-Hongre
Rueil-Malmaison
Orly

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 Ontario to Paris

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Charles de Gaulle flights
San Francisco to Charles de Gaulle flights
Los Angeles to Orly flights
Ontario to Charles de Gaulle flights
Burbank to Charles de Gaulle flights
San Francisco to Orly flights
Santa Ana to Charles de Gaulle flights
Los Angeles to Beauvais-Tille flights
San Jose to Charles de Gaulle flights
Oakland to Charles de Gaulle flights
San Diego to Charles de Gaulle flights
San Francisco to Beauvais-Tille flights
Long Beach to Charles de Gaulle flights
San Diego to Orly flights
Sacramento to Charles de Gaulle flights
Las Vegas to Charles de Gaulle flights
Las Vegas to Orly flights
San Jose to Orly flights
Ontario to Orly flights
Sacramento to Orly flights
San Luis Obispo to Charles de Gaulle flights
Reno to Charles de Gaulle flights
Fresno to Orly flights
Fresno to Charles de Gaulle flights
Santa Ana to Orly flights
Palm Springs to Charles de Gaulle flights
Oakland to Orly flights
Reno to Orly flights
Santa Rosa to Charles de Gaulle flights
Palm Springs to Orly flights
Monterey to Charles de Gaulle flights
Santa Barbara to Charles de Gaulle flights
Medford to Charles de Gaulle flights
Burbank to Orly flights
Arcata to Charles de Gaulle flights
Long Beach to Orly flights

Top 2 airlines flying from Ontario to Paris

Discover the top 2 airlines that operate flights from Ontario to Paris. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$667Average$1,133FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$739Average$1,017FlexibilityNo cancel feeOn-time75%

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.