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Cheap flights from Ontario to Paris from $291

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 10/21. 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 (ONT-CDG)

Cheap round-trip flights

JetBlue Logo
10:56 pm - 11:25 amONT-CDG
27h 29m1 stop
JetBlue Logo
1:25 pm - 9:29 pmCDG-ONT
17h 04m1 stop
$854JetBlue
Find Deal
Sun, Sep 21 - Wed, Oct 1
Virgin Atlantic Logo
11:36 am - 12:30 pmONT-CDG
15h 54m1 stop
Virgin Atlantic Logo
10:20 am - 9:20 pmCDG-ONT
20h 00m1 stop
$858Virgin Atlantic
Find Deal
Sun, Oct 19 - Tue, Nov 4
United Airlines Logo
7:02 am - 7:20 amONT-CDG
39h 18m2 stops
United Airlines Logo
12:05 pm - 10:31 pmCDG-ONT
43h 26m2 stops
$865United Airlines
Find Deal
Sat, Oct 25 - Tue, Nov 4
United Airlines Logo
7:02 am - 9:20 amONT-CDG
17h 18m1 stop
United Airlines Logo
11:15 am - 10:51 pmCDG-ONT
20h 36m2 stops
$868United Airlines
Find Deal
Sun, Oct 19 - Tue, Nov 4
United Airlines Logo
7:00 am - 9:55 amONT-CDG
17h 55m1 stop
United Airlines Logo
6:30 am - 5:37 pmCDG-ONT
20h 07m2 stops
$870United Airlines
Find Deal
Mon, Nov 17 - Tue, Dec 2
American Airlines Logo
10:57 am - 10:00 amONT-CDG
14h 03m1 stop
American Airlines Logo
11:05 am - 6:21 pmCDG-ONT
16h 16m1 stop
$877American Airlines
Find Deal
Tue, Oct 14 - Fri, Nov 7
American Airlines Logo
6:10 am - 10:00 amONT-CDG
18h 50m1 stop
American Airlines Logo
11:05 am - 10:29 pmCDG-ONT
20h 24m1 stop
$878American Airlines
Find Deal
Sun, Oct 19 - Tue, Nov 4
Delta Logo
9:50 am - 8:15 amONT-CDG
14h 25m1 stop
Delta Logo
9:20 am - 7:19 pmCDG-ONT
18h 59m1 stop
$881Delta
Find Deal
Sun, Oct 26 - Thu, Nov 6
Delta Logo
9:50 am - 8:15 amONT-CDG
14h 25m1 stop
Delta Logo
10:20 am - 4:09 pmCDG-ONT
14h 49m1 stop
$931Delta
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Mon, Oct 27 - Mon, Nov 10
KLM Logo
7:05 am - 6:10 amONT-CDG
14h 05m1 stop
KLM Logo
10:20 am - 4:09 pmCDG-ONT
14h 49m1 stop
$975KLM
Find Deal
Thu, Nov 27 - Sat, Dec 6

JetBlue flights from Ontario to Paris Charles de Gaulle Airport

Our best JetBlue deals on Ontario to Paris Charles de Gaulle Airport flight tickets
JetBlue
Sep 21
ONT10:56 pmOntario
27h 29m
1 stop
CDG11:25 amParis Charles de Gaulle
Oct 1
CDG1:25 pmParis Charles de Gaulle
17h 04m
1 stop
ONT9:29 pmOntario
$854
Find similar
JetBlue
Sep 20
ONT10:56 pmOntario
27h 29m
1 stop
CDG11:25 amParis Charles de Gaulle
Sep 30
CDG1:25 pmParis Charles de Gaulle
17h 04m
1 stop
ONT9:29 pmOntario
$897
Find similar
JetBlue
Oct 5
ONT10:56 pmOntario
27h 29m
1 stop
CDG11:25 amParis Charles de Gaulle
Oct 15
CDG1:25 pmParis Charles de Gaulle
17h 04m
1 stop
ONT9:29 pmOntario
$936
Find similar

Delta flights from Ontario to Paris Charles de Gaulle Airport

Our best Delta deals on Ontario to Paris Charles de Gaulle Airport flight tickets
Delta
Oct 26
ONT9:50 amOntario
14h 25m
1 stop
CDG8:15 amParis Charles de Gaulle
Nov 6
CDG9:20 amParis Charles de Gaulle
18h 59m
1 stop
ONT7:19 pmOntario
$881
Find similar
Delta
Oct 27
ONT9:50 amOntario
14h 25m
1 stop
CDG8:15 amParis Charles de Gaulle
Nov 10
CDG10:20 amParis Charles de Gaulle
14h 49m
1 stop
ONT4:09 pmOntario
$931
Find similar
Delta
Oct 25
ONT1:15 pmOntario
35h 00m
1 stop
CDG9:15 amParis Charles de Gaulle
Nov 8
CDG10:20 amParis Charles de Gaulle
20h 00m
1 stop
ONT9:20 pmOntario
$937
Find similar

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 September 8, 2025.
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

Sun 9/21

10:56 pm-11:25 am

1 stop27h 29m

Paris Charles de Gaulle

Wed 10/1

1:25 pm-9:29 pm

1 stop17h 04m

$854

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 10/19

11:36 am-12:30 pm

1 stop15h 54m

Paris Charles de Gaulle

Tue 11/4

10:20 am-9:20 pm

1 stop20h 00m

$858

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sat 10/25

7:02 am-7:20 am

2 stops39h 18m

Paris Charles de Gaulle

Tue 11/4

12:05 pm-10:31 pm

2 stops43h 26m

$865

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 10/19

7:02 am-9:20 am

1 stop17h 18m

Paris Charles de Gaulle

Tue 11/4

11:15 am-10:51 pm

2 stops20h 36m

$868

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 11/17

7:00 am-9:55 am

1 stop17h 55m

Paris Charles de Gaulle

Tue 12/2

6:30 am-5:37 pm

2 stops20h 07m

$870

OntarioParis

ONT - CDG

ONTCDG

Ontario

Tue 10/14

10:57 am-10:00 am

1 stop14h 03m

Paris Charles de Gaulle

Fri 11/7

11:05 am-6:21 pm

1 stop16h 16m

$877

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 10/19

6:10 am-10:00 am

1 stop18h 50m

Paris Charles de Gaulle

Tue 11/4

11:05 am-10:29 pm

1 stop20h 24m

$878

OntarioParis

ONT - CDG

ONTCDG

Ontario

Sun 10/26

9:50 am-8:15 am

1 stop14h 25m

Paris Charles de Gaulle

Thu 11/6

9:20 am-7:19 pm

1 stop18h 59m

$881

OntarioParis

ONT - CDG

ONTCDG

Ontario

Mon 10/27

9:50 am-8:15 am

1 stop14h 25m

Paris Charles de Gaulle

Mon 11/10

10:20 am-4:09 pm

1 stop14h 49m

$931

OntarioParis

ONT - CDG

ONTCDG

Ontario

Thu 11/27

7:05 am-6:10 am

1 stop14h 05m

Paris Charles de Gaulle

Sat 12/6

10:20 am-4:09 pm

1 stop14h 49m

$975

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 February is, on average, the cheapest month to fly to Paris Charles de Gaulle Airport from Ontario, with most prices found around $617. If you don’t want to visit Paris Charles de Gaulle Airport in February, then you should wait until January to fly from Ontario, when ticket prices are also cheap, with an average price of $620.

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 $889. 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 $1,008.

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 $769. Flights at noon are often more expensive with an average ticket price of $1,073.

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

Direct flights

None
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.
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  • 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 18m 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 many operators does momondo search for flights from Ontario Airport to Paris Charles de Gaulle Airport?

  • 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.

  • What is the most popular airline from Ontario to Paris Charles de Gaulle Airport?

Best airlines flying from Ontario to Paris Charles de Gaulle Airport

Compare and see reviews for airlines that fly from Ontario to Paris Charles de Gaulle Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $867Free CancellationRating
7.8
1,386 reviews
Search KLM flights

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
Magny-le-Hongre
Courbevoie
Issy-les-Moulineaux
Chartres
Orly
Vanves
Saint-Denis
Levallois-Perret
Ivry-sur-Seine
Massy
Fontainebleau
Nanterre
Malakoff
Suresnes
Serris
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.

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