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$354+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PAR
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:10 am
ONT
-
CDG
2 stops20h 10m
Multiple Airlines
Tue 4/217:15 am
CDG
-
ONT
2 stops23h 35m
Multiple Airlines
Deal found 2/1$555
This oojo deal was found by Cheapflights users on 1/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:39 pm
ONT
-
CDG
2 stops17h 46m
British Airways
Mon 3/911:55 am
CDG
-
ONT
2 stops20h 04m
British Airways
Deal found 1/31$556
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/207:00 am
ONT
-
CDG
1 stop17h 20m
United Airlines
Thu 5/142:10 pm
CDG
-
ONT
2 stops39h 26m
United Airlines
Deal found 2/2$557
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 3/156:15 am
ONT
-
CDG
1 stop19h 25m
United Airlines
Tue 3/246:30 am
CDG
-
ONT
2 stops19h 11m
United Airlines
Deal found 2/1$560
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:39 pm
ONT
-
CDG
2 stops17h 51m
British Airways
Tue 3/1011:55 am
CDG
-
ONT
2 stops30h 11m
British Airways
Deal found 2/2$561
This Delta deal was found by Cheapflights users on 2/2. 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 3/21:15 pm
ONT
-
CDG
1 stop15h 00m
Delta
Tue 3/1710:20 am
CDG
-
ONT
1 stop14h 08m
Delta
Deal found 2/2$562
This United Airlines deal was found by Cheapflights users on 2/1. 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 4/155:10 am
ONT
-
CDG
2 stops16h 55m
United Airlines
Tue 4/217:15 am
CDG
-
ONT
2 stops24h 11m
United Airlines
Deal found 2/1$564
This KLM deal was found by Cheapflights users on 2/2. 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 3/47:30 am
ONT
-
CDG
1 stop16h 50m
KLM
Wed 3/118:55 am
CDG
-
ONT
1 stop20h 05m
KLM
Deal found 2/2$567
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/66:37 pm
ONT
-
CDG
2 stops19h 13m
United Airlines
Mon 3/96:15 am
CDG
-
ONT
2 stops24h 03m
United Airlines
Deal found 2/2$569
This Iberia deal was found by Cheapflights users on 1/31. 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.
Tue 3/310:56 am
ONT
-
CDG
1 stop13h 09m
Iberia
Tue 3/1011:05 am
CDG
-
ONT
1 stop19h 44m
Iberia
Deal found 1/31$574
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/61:40 pm
ONT
-
CDG
1 stop35h 00m
United Airlines
Sun 3/159:00 am
CDG
-
ONT
1 stop35h 18m
United Airlines
Deal found 2/3$575
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:59 am
ONT
-
ORY
2 stops22h 11m
Iberia
Tue 4/285:20 pm
ORY
-
ONT
2 stops39h 26m
Iberia
Deal found 2/2$780

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$554
(Mytrip)

One-way from

$354
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$672
Provider with most accurate pricing for Ontario-Paris (PAR) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Paris (PAR) flights.
Search Deals
From Ontario to Paris (PAR)
Search Deals
One-way flight from Ontario to Paris (PAR)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

Tue 3/17

6:15 am-9:40 am

1 stop19h 25m

Paris Charles de Gaulle

Tue 3/24

6:30 am-5:41 pm

2 stops19h 11m

$560

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 4/15

11:05 am-10:25 am

1 stop14h 20m

Paris Charles de Gaulle

Tue 4/21

7:15 am-10:26 pm

2 stops24h 11m

$561

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 4/15

11:05 am-10:25 am

1 stop14h 20m

Paris Charles de Gaulle

Wed 4/22

7:45 am-10:45 pm

2 stops24h 00m

$561

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 3/6

6:37 pm-10:50 pm

2 stops19h 13m

Paris Charles de Gaulle

Mon 3/9

6:15 am-10:18 pm

2 stops24h 03m

$569

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 3/6

1:40 pm-9:40 am

1 stop35h 00m

Paris Charles de Gaulle

Sun 3/15

9:00 am-12:18 pm

1 stop35h 18m

$575

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 4/20

6:00 am-9:30 am

1 stop18h 30m

Paris Charles de Gaulle

Thu 5/14

12:10 pm-9:54 pm

1 stop18h 44m

$576

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 3/5

6:15 am-9:40 am

1 stop18h 25m

Paris Charles de Gaulle

Thu 3/19

9:00 am-5:41 pm

1 stop16h 41m

$576

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 3/11

6:15 am-9:40 am

1 stop19h 25m

Paris Charles de Gaulle

Fri 3/20

9:00 am-10:57 pm

1 stop21h 57m

$576

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 4/20

11:05 am-10:25 am

1 stop14h 20m

Paris Charles de Gaulle

Thu 5/14

9:15 am-5:52 pm

1 stop17h 37m

$576

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 3/16

6:15 am-9:40 am

1 stop19h 25m

Paris Charles de Gaulle

Tue 3/24

9:00 am-10:57 pm

1 stop21h 57m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 41 results
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Compare providers for flights from Ontario to Paris

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Paris in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Paris flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Paris flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Paris flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Paris 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 Ontario-Paris 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 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, August is the cheapest month in which you can book a flight from Ontario to Paris (average of $361). Flying from Ontario to Paris in June is currently the most expensive (average of $585). 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 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 February 3, 2026.
See what other customers who have flown with Delta from Ontario to Paris have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,138 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

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
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

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 0 different airlines.

  • How long is the flight from Ontario to Paris?

    Airlines like United Airlines and Iberia fly from Ontario to Paris in about 19h 25m. The time it takes to get you to your destination can typically vary by up to 2h 46m. Ontario and Paris are separated by a distance of 5619 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, August is the cheapest month in which you can book a flight from Ontario to Paris (average of $361). Flying from Ontario to Paris in June is currently the most expensive (average of $585). 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 Paris?

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

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