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Marseille

$477+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MRS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$728
(United Airlines)

One-way from

$477
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$1,200
From Ontario to Marseille
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One-way flight from Ontario to Marseille
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Highest demand for flights based on searches. 23% potential increase in price ($285 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. 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 9/141:42 pmONT - MRS
2 stops19h 28mUnited Airlines
Sat 12/1310:20 amMRS - ONT
2 stops21h 29mUnited Airlines
Deal found 7/27$728
This Iberia deal was found by Cheapflights users on 7/29. 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.
Sun 9/2810:55 amONT - MRS
2 stops27h 25mIberia
Tue 10/2112:40 pmMRS - ONT
2 stops19h 02mIberia
Deal found 7/29$829

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 July 29, 2025.
Use the filters below to find and compare flights from Ontario to Marseille that are best for you.

Fly from

Ontario

Fly to

Marseille

Route

Depart

Return

Price

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Sun 9/14

1:42 pm-6:10 pm

2 stops19h 28m

Marseille

Sat 12/13

10:20 am-10:49 pm

2 stops21h 29m

$728

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Sun 9/28

10:55 am-11:20 pm

2 stops27h 25m

Marseille

Tue 10/21

12:40 pm-10:42 pm

2 stops19h 02m

$829

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Sun 9/14

2:30 pm-5:30 pm

2 stops18h 00m

$477

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Fri 12/5

12:53 pm-5:45 pm

2 stops19h 52m

$525

OntarioMarseille

ONT - MRS

ONTMRS

Ontario

Fri 12/5

6:00 am-5:45 pm

3 stops26h 45m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Marseille

What is the cheapest month to book a flight from Ontario to Marseille?

Currently, November is the cheapest month in which you can book a flight from Ontario to Marseille (average of $705). Flying from Ontario to Marseille in June is currently the most expensive (average of $1,259). 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 Marseille

Get insights into the airlines that provide service to Marseille. 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 Marseille. Reviews last updated July 29, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Iberia from Ontario to Marseille have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,859 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
7,208 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines to fly from Ontario to Marseille one-way?

    $477 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and United Airlines, with prices starting from $525 and $540, respectively.

  • 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.

  • What is the cheapest month to book a flight from Ontario to Marseille?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Marseille (average of $705). Flying from Ontario to Marseille in June is currently the most expensive (average of $1,259). 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 Marseille?

Book flights to Marseille if you plan to visit one of these locations
Cassis
La Ciotat

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