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$429+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PAR
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
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 May 16, 2026.

This SmartFares deal was found by Cheapflights users on 5/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am
ONT
-
CDG
2 stops24h 50m
Multiple Airlines
Tue 10/2711:05 am
CDG
-
ONT
2 stops20h 37m
Multiple Airlines
Deal found 5/15$949
This SmartFares deal was found by Cheapflights users on 5/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am
ONT
-
CDG
2 stops30h 25m
Multiple Airlines
Sat 10/317:40 am
CDG
-
ONT
2 stops24h 02m
Multiple Airlines
Deal found 5/13$950
This SmartFares deal was found by Cheapflights users on 5/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:54 pm
ONT
-
CDG
2 stops35h 56m
Multiple Airlines
Thu 10/2211:10 am
CDG
-
ONT
2 stops21h 32m
Multiple Airlines
Deal found 5/15$959
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:10 am
ONT
-
CDG
2 stops23h 40m
Multiple Airlines
Wed 9/168:25 am
CDG
-
ONT
2 stops20h 48m
Multiple Airlines
Deal found 5/12$960
This SmartFares deal was found by Cheapflights users on 5/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am
ONT
-
CDG
2 stops29h 50m
Multiple Airlines
Mon 10/264:30 pm
CDG
-
ONT
2 stops39h 12m
Multiple Airlines
Deal found 5/14$970
This SmartFares deal was found by Cheapflights users on 5/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am
ONT
-
CDG
2 stops30h 25m
Multiple Airlines
Mon 10/264:30 pm
CDG
-
ONT
2 stops39h 12m
Multiple Airlines
Deal found 5/13$971
This oojo deal was found by Cheapflights users on 5/16. 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 10/216:00 am
ONT
-
CDG
2 stops30h 25m
Condor
Mon 10/264:30 pm
CDG
-
ONT
2 stops39h 12m
Condor
Deal found 5/16$978
This SmartFares deal was found by Cheapflights users on 5/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:54 pm
ONT
-
CDG
2 stops40h 56m
Multiple Airlines
Mon 10/264:30 pm
CDG
-
ONT
2 stops39h 12m
Multiple Airlines
Deal found 5/14$979
This SmartFares deal was found by Cheapflights users on 5/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:54 pm
ONT
-
CDG
2 stops35h 56m
Multiple Airlines
Fri 10/304:30 pm
CDG
-
ONT
2 stops39h 12m
Multiple Airlines
Deal found 5/13$980
This SmartFares deal was found by Cheapflights users on 5/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am
ONT
-
CDG
2 stops30h 10m
Multiple Airlines
Tue 10/2011:10 am
CDG
-
ONT
2 stops21h 32m
Multiple Airlines
Deal found 5/13$985
This Condor 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:40 am
ONT
-
CDG
2 stops30h 10m
Multiple Airlines
Tue 10/277:40 am
CDG
-
ONT
2 stops21h 20m
Multiple Airlines
Deal found 5/12$989
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:59 pm
ONT
-
ORY
2 stops31h 31m
Multiple Airlines
Sun 9/277:25 am
ORY
-
ONT
2 stops20h 32m
Multiple Airlines
Deal found 5/12$1,139

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 May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$949
(SmartFares)

One-way from

$429
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$790
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. 10% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 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 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 May 16, 2026.
Use the filters below to find and compare flights from Ontario to Paris that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 9/15

7:00 am-9:20 am

1 stop17h 20m

Paris Charles de Gaulle

Tue 10/20

9:15 am-3:22 pm

1 stop15h 07m

$1,033

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 11/1

11:20 am-9:40 am

1 stop13h 20m

Paris Charles de Gaulle

Sun 11/8

9:00 am-3:27 pm

1 stop15h 27m

$1,084

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 9/28

9:39 am-10:25 am

1 stop15h 46m

Paris Charles de Gaulle

Mon 10/12

9:15 am-3:22 pm

1 stop15h 07m

$1,093
Quickest round-trip

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 10/27

1:00 pm-10:00 am

1 stop13h 00m

Paris Charles de Gaulle

Tue 11/10

10:20 am-4:12 pm

1 stop14h 52m

$1,130

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 10/2

9:39 am-10:25 am

1 stop15h 46m

Paris Charles de Gaulle

Sat 10/10

9:15 am-3:22 pm

1 stop15h 07m

$1,153

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 8/6

11:50 pm-5:00 pm

2 stops56h 10m

Paris Charles de Gaulle

Sun 8/9

7:45 pm-11:11 pm

2 stops36h 26m

$1,161

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 8/14

9:01 am-10:25 am

1 stop16h 24m

Paris Charles de Gaulle

Sun 8/23

9:15 am-6:11 pm

1 stop17h 56m

$1,163

OntarioParis

ONT - ORY

ONTORY

Ontario

Thu 10/22

2:26 pm-4:20 pm

1 stop16h 54m

Paris Orly

Tue 10/27

1:40 pm-1:40 pm

2 stops32h 00m

$1,169

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 9/28

9:10 pm-5:00 pm

2 stops34h 50m

Paris Charles de Gaulle

Mon 10/12

7:20 am-11:42 pm

2 stops25h 22m

$1,299

OntarioParis

ONT - CDG

ONTCDG

Ontario

Wed 7/29

11:50 pm-10:50 am

2 stops50h 00m

Paris Charles de Gaulle

Fri 8/7

7:20 am-11:11 pm

2 stops24h 51m

$1,359

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 47 resultsSorted by cheapest first
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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
No data available for this route at this time. Please check back soon.

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 May 16, 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
8,455 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

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
8,455 reviews
Delta
7.9
Good
8,455 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

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 15h 46m. The time it takes to get you to your destination can typically vary by up to 4h 57m. 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.

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
Courbevoie
Issy-les-Moulineaux
Vanves
Tremblay-en-France
Ivry-sur-Seine
Levallois-Perret
Beauvais
Orly
Saint-Denis
Serris
Villepinte
Vincennes
Fontainebleau
Magny-le-Hongre
Neuilly-sur-Seine
Suresnes
Versailles
Saint-Ouen

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