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Cheap flights from Ontario to Paris from $398

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Paris departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Paris

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:02 pm - 5:20 pm
ONT
-
CDG
15h 18m
2 stops
British Airways Logo
11:55 am - 10:07 pm
CDG
-
ONT
19h 12m
2 stops
$540British Airways
Mon, Feb 16 - Mon, Feb 23
British Airways Logo
5:02 pm - 7:45 pm
ONT
-
CDG
17h 43m
2 stops
British Airways Logo
11:40 am - 10:06 am
CDG
-
ONT
31h 26m
2 stops
$545British Airways
Sat, Feb 14 - Sat, Feb 28
British Airways Logo
5:02 pm - 7:45 pm
ONT
-
CDG
17h 43m
2 stops
British Airways Logo
11:40 am - 10:49 pm
CDG
-
ONT
20h 09m
2 stops
$552British Airways
Fri, Feb 13 - Sat, Feb 28
United Airlines Logo
6:15 am - 9:40 am
ONT
-
CDG
19h 25m
1 stop
United Airlines Logo
1:00 pm - 10:18 pm
CDG
-
ONT
41h 18m
2 stops
$553United Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
11:05 am - 10:25 am
ONT
-
CDG
14h 20m
1 stop
United Airlines Logo
7:15 am - 5:47 pm
CDG
-
ONT
19h 32m
2 stops
$557United Airlines
Mon, Apr 27 - Tue, May 5
Delta Logo
1:10 pm - 8:15 am
ONT
-
CDG
34h 05m
1 stop
Delta Logo
9:40 am - 10:37 pm
CDG
-
ONT
45h 57m
2 stops
$561Delta
Thu, Feb 12 - Sun, Feb 22
United Airlines Logo
5:10 am - 12:35 pm
ONT
-
CDG
22h 25m
3 stops
United Airlines Logo
7:25 am - 9:43 am
CDG
-
ONT
35h 18m
2 stops
$562United Airlines
Tue, Apr 28 - Fri, May 8
American Airlines Logo
10:56 am - 9:05 am
ONT
-
CDG
13h 09m
1 stop
American Airlines Logo
11:05 am - 6:42 pm
CDG
-
ONT
16h 37m
1 stop
$564American Airlines
Sat, Feb 14 - Fri, Feb 27
American Airlines Logo
10:56 am - 9:05 am
ONT
-
CDG
13h 09m
1 stop
American Airlines Logo
11:05 am - 6:42 pm
CDG
-
ONT
16h 37m
1 stop
$566American Airlines
Sat, Feb 14 - Fri, Feb 27
American Airlines Logo
10:56 am - 9:05 am
ONT
-
CDG
13h 09m
1 stop
American Airlines Logo
11:05 am - 6:42 pm
CDG
-
ONT
16h 37m
1 stop
$567American Airlines
Sat, Feb 14 - Fri, Feb 27

British Airways flights from Ontario to Paris Charles de Gaulle Airport

Our best British Airways deals on Ontario to Paris Charles de Gaulle Airport flight tickets
British Airways
Feb 16
ONT5:02 pmOntario
15h 18m
2 stops
CDG5:20 pmParis Charles de Gaulle
Feb 23
CDG11:55 amParis Charles de Gaulle
19h 12m
2 stops
ONT10:07 pmOntario
$540
British Airways
Feb 14
ONT5:02 pmOntario
17h 43m
2 stops
CDG7:45 pmParis Charles de Gaulle
Feb 28
CDG11:40 amParis Charles de Gaulle
31h 26m
2 stops
ONT10:06 amOntario
$545
British Airways
Feb 13
ONT5:02 pmOntario
17h 43m
2 stops
CDG7:45 pmParis Charles de Gaulle
Feb 28
CDG11:40 amParis Charles de Gaulle
20h 09m
2 stops
ONT10:49 pmOntario
$552

United Airlines flights from Ontario to Paris Charles de Gaulle Airport

Our best United Airlines deals on Ontario to Paris Charles de Gaulle Airport flight tickets
United Airlines
Mar 17
ONT6:15 amOntario
19h 25m
1 stop
CDG9:40 amParis Charles de Gaulle
Mar 24
CDG1:00 pmParis Charles de Gaulle
41h 18m
2 stops
ONT10:18 pmOntario
$553
United Airlines
Apr 27
ONT11:05 amOntario
14h 20m
1 stop
CDG10:25 amParis Charles de Gaulle
May 7
CDG2:35 pmParis Charles de Gaulle
28h 08m
2 stops
ONT9:43 amOntario
$557
United Airlines
Apr 28
ONT5:10 amOntario
22h 25m
3 stops
CDG12:35 pmParis Charles de Gaulle
May 5
CDG7:15 amParis Charles de Gaulle
19h 32m
2 stops
ONT5:47 pmOntario
$562

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Paris Charles de Gaulle Airport 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, momondo users made 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Ontario to Paris Charles de Gaulle Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 2/16

5:02 pm-5:20 pm

2 stops15h 18m

Paris Charles de Gaulle

Mon 2/23

11:55 am-10:07 pm

2 stops19h 12m

$540

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sat 2/14

5:02 pm-7:45 pm

2 stops17h 43m

Paris Charles de Gaulle

Sat 2/28

11:40 am-10:06 am

2 stops31h 26m

$545

OntarioParis

ONT - CDG

ONTCDG

Ontario

Fri 2/13

5:02 pm-7:45 pm

2 stops17h 43m

Paris Charles de Gaulle

Sat 2/28

11:40 am-10:49 pm

2 stops20h 09m

$552

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 3/17

6:15 am-9:40 am

1 stop19h 25m

Paris Charles de Gaulle

Tue 3/24

1:00 pm-10:18 pm

2 stops41h 18m

$553

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 4/27

11:05 am-10:25 am

1 stop14h 20m

Paris Charles de Gaulle

Tue 5/5

7:15 am-5:47 pm

2 stops19h 32m

$557

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 2/12

1:10 pm-8:15 am

1 stop34h 05m

Paris Charles de Gaulle

Sun 2/22

9:40 am-10:37 pm

2 stops45h 57m

$561

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 4/28

5:10 am-12:35 pm

3 stops22h 25m

Paris Charles de Gaulle

Fri 5/8

7:25 am-9:43 am

2 stops35h 18m

$562

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sat 2/14

10:56 am-9:05 am

1 stop13h 09m

Paris Charles de Gaulle

Fri 2/27

11:05 am-6:42 pm

1 stop16h 37m

$564

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sat 2/14

10:56 am-9:05 am

1 stop13h 09m

Paris Charles de Gaulle

Fri 2/27

11:05 am-6:42 pm

1 stop16h 37m

$566

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sat 2/14

10:56 am-9:05 am

1 stop13h 09m

Paris Charles de Gaulle

Fri 2/27

11:05 am-6:42 pm

1 stop16h 37m

$567

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Paris from

How to get the cheapest flight ticket from Ontario to Paris Charles de Gaulle Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Paris Charles de Gaulle Airport?

The month of January is, on average, the cheapest month to fly to Paris Charles de Gaulle Airport from Ontario, with most prices found around $572. If you don’t want to visit Paris Charles de Gaulle Airport in January, then you should wait until February to fly from Ontario, when ticket prices are also cheap, with an average price of $773.

What is the cheapest day to depart on your flight to Paris Charles de Gaulle Airport?

The cheapest day to depart from Ontario to Paris Charles de Gaulle Airport is on a Monday. Travelers who choose to depart for Paris Charles de Gaulle Airport on a Monday will often find tickets for as low as $886. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Paris Charles de Gaulle Airport on Saturday is $1,020.

What is the cheapest time of day to depart on your flight to Paris Charles de Gaulle Airport?

The cheapest time of day to fly to Paris Charles de Gaulle Airport is in the evening when flights can be purchased for as low as $758. Flights in the morning are often more expensive with an average ticket price of $1,075.

When to book flights from Ontario to Paris Charles de Gaulle Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Paris Charles de Gaulle Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Paris Charles de Gaulle Airport (ONT to CDG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Paris Charles de Gaulle Airport

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from Ontario to Paris Charles de Gaulle Airport takes 13h 35m
There are no direct flights from Ontario to Paris Charles de Gaulle Airport. There are no popular flight routes from Ontario to Paris Charles de Gaulle Airport.
Search flight deals

  • How far is Ontario to Paris Charles de Gaulle by plane?

    There are 5620.5 mi between Ontario and Paris Charles de Gaulle. Typically, this will take 13h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Paris Charles de Gaulle Airport?

    Prices for flights from Ontario Airport to Paris Charles de Gaulle Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to Paris Charles de Gaulle Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Paris Charles de Gaulle Airport.

  • What documentation or ID do you need to fly to Paris Charles de Gaulle Airport?

    The travel and health documents required for your trip to Paris Charles de Gaulle Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Paris Charles de Gaulle Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Paris?

Book flights to Paris if you plan to visit one of these locations
Roissy-en-France
Chessy
Versailles
Tremblay-en-France
Courbevoie
Orly
Saint-Denis
Issy-les-Moulineaux
Chartres
Ivry-sur-Seine
Saint-Ouen
Levallois-Perret
Massy
Magny-le-Hongre
Nanterre
Orléans
Fontainebleau
Neuilly-sur-Seine
Suresnes
Chantilly

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Paris?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Paris from Ontario.

Can I find flights from Ontario to Paris with flexible booking policies on momondo?

Flights from Ontario to Paris with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Paris?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Paris.

I’m not ready to book a flight from Ontario to Paris right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Paris now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Paris and let you know when they change.

An easier way to manage your Paris Charles de Gaulle Airport trip

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