HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Marseille

$384+ Cheap flights from Ontario (ONT) to Marseille (MRS)

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MRS
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Marseille 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 Marseille

Cheapest flights from Ontario to Marseille
Explore the most affordable flight options available from Ontario to Marseille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.

This United Airlines deal was found by Cheapflights users on 4/24. 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 8/179:01 am
ONT
-
MRS
2 stops19h 04m
United Airlines
Wed 9/3010:55 am
MRS
-
ONT
2 stops21h 04m
United Airlines
Deal found 4/24$938
This oojo deal was found by Cheapflights users on 4/23. 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.
Fri 10/2312:35 pm
ONT
-
MRS
2 stops18h 40m
British Airways
Mon 11/25:20 pm
MRS
-
ONT
2 stops38h 03m
British Airways
Deal found 4/23$988
This United Airlines deal was found by Cheapflights users on 4/26. 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 10/21:18 pm
ONT
-
MRS
2 stops18h 52m
United Airlines
Tue 10/66:05 am
MRS
-
ONT
2 stops20h 46m
United Airlines
Deal found 4/26$998
This oojo deal was found by Cheapflights users on 4/26. 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.
Thu 10/14:59 pm
ONT
-
MRS
2 stops20h 46m
British Airways
Tue 10/67:05 am
MRS
-
ONT
2 stops23h 03m
British Airways
Deal found 4/26$1,021
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/31:18 pm
ONT
-
MRS
2 stops18h 52m
United Airlines
Fri 8/216:40 am
MRS
-
ONT
2 stops20h 39m
United Airlines
Deal found 4/23$1,062
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Thu 10/11:18 pm
ONT
-
MRS
2 stops19h 37m
United Airlines
Mon 10/56:05 am
MRS
-
ONT
2 stops20h 46m
United Airlines
Deal found 4/25$1,070
This oojo deal was found by Cheapflights users on 4/25. 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 5/124:52 pm
ONT
-
MRS
2 stops20h 53m
British Airways
Tue 5/267:05 am
MRS
-
ONT
2 stops21h 51m
British Airways
Deal found 4/25$1,092
This British Airways deal was found by Cheapflights users on 4/25. 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.
Sun 5/34:52 pm
ONT
-
MRS
2 stops17h 33m
British Airways
Tue 5/127:05 am
MRS
-
ONT
2 stops18h 17m
British Airways
Deal found 4/25$1,098
This United Airlines deal was found by Cheapflights users on 4/24. 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 8/219:01 am
ONT
-
MRS
2 stops23h 54m
United Airlines
Mon 9/71:45 pm
MRS
-
ONT
2 stops37h 34m
United Airlines
Deal found 4/24$1,106
This oojo deal was found by Cheapflights users on 4/24. 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.
Mon 8/31:10 pm
ONT
-
MRS
2 stops24h 35m
British Airways
Fri 8/217:20 am
MRS
-
ONT
2 stops22h 52m
British Airways
Deal found 4/24$1,111
This British Airways deal was found by Cheapflights users on 4/25. 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.
Sun 5/34:52 pm
ONT
-
MRS
2 stops17h 33m
British Airways
Tue 5/197:05 am
MRS
-
ONT
2 stops18h 17m
British Airways
Deal found 4/25$1,116
This British Airways deal was found by Cheapflights users on 4/23. 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.
Sun 4/264:52 pm
ONT
-
MRS
2 stops17h 33m
British Airways
Tue 5/127:05 am
MRS
-
ONT
2 stops18h 17m
British Airways
Deal found 4/23$1,118

Find flight deals from Ontario to Marseille

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Marseille (MRS). 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 April 28, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$938
(United Airlines)

One-way from

$384
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$1,032
Provider with most accurate pricing for Ontario-Marseille flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Marseille flights.
Search Deals
From Ontario to Marseille
Search Deals
One-way flight from Ontario to Marseille
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($275 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Marseille 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 April 28, 2026.
Use the filters below to find and compare flights from Ontario to Marseille that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Wed 10/14

9:39 am-1:05 pm

2 stops18h 26m

Marseille

Thu 10/22

1:45 pm-10:59 pm

2 stops18h 14m

$938

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Mon 8/17

9:01 am-1:05 pm

2 stops19h 04m

Marseille

Wed 9/30

10:55 am-10:59 pm

2 stops21h 04m

$938

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Mon 8/3

6:39 pm-9:45 pm

2 stops18h 06m

Marseille

Fri 8/21

6:40 am-6:19 pm

2 stops20h 39m

$1,062

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Thu 10/1

1:18 pm-5:55 pm

2 stops19h 37m

Marseille

Mon 10/5

6:05 am-5:51 pm

2 stops20h 46m

$1,070

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Fri 8/14

1:18 pm-5:10 pm

2 stops18h 52m

Marseille

Sat 8/29

1:45 pm-10:58 pm

2 stops18h 13m

$1,276

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Fri 8/14

1:18 pm-5:10 pm

2 stops18h 52m

Marseille

Sun 8/30

10:50 am-9:59 pm

2 stops20h 09m

$1,277

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Tue 6/9

1:10 pm-10:45 pm

2 stops24h 35m

Marseille

Wed 6/17

7:15 am-7:56 pm

2 stops21h 41m

$1,324

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Fri 7/31

1:18 pm-9:45 pm

2 stops23h 27m

Marseille

Sun 8/9

6:05 am-8:42 pm

2 stops23h 37m

$1,343

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Wed 6/17

6:30 pm-9:45 pm

2 stops42h 15m

Marseille

Wed 6/24

6:00 am-12:12 pm

2 stops39h 12m

$1,357

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Tue 5/26

6:30 am-12:45 pm

2 stops21h 15m

Marseille

Tue 6/2

6:05 am-5:56 pm

2 stops20h 51m

$1,384

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Ontario to Marseille

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 Marseille in April.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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-Marseille flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-Marseille flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-Marseille flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Marseille flights, Cheapflights users trust Ovago the most. Ovago 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-Marseille 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 Marseille

Have a flexible travel schedule? Discover the best time to fly to Marseille 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Marseille. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Marseille?

    Airlines like United Airlines fly from Ontario to Marseille in about 16h 45m. The time it takes to get you to your destination can typically vary by up to . The distance between Ontario and Marseille is about 5980 mi.

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

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

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

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

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

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

Book flights to Marseille if you plan to visit one of these locations
Cassis
Sanary-sur-Mer

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.

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.