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$828+ Cheap flights from Marseille (MRS) to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
MRS — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Marseille to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Marseille (MRS) to Ontario (ONT). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$828
(United Airlines)

Popular in

August

Cheapest in

January

Average price

$733
Provider with most accurate pricing for Marseille-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Marseille-Los Angeles flights.
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From Marseille to Ontario
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Highest demand for flights based on searches. 18% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Marseille to Ontario

Cheapest flights from Marseille to Ontario
Explore the most affordable flight options available from Marseille to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/256:15 amMRS - ONT
2 stops23h 06mUnited Airlines
Sat 5/104:15 pmONT - MRS
2 stops40h 55mUnited Airlines
Deal found 3/27$828
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/268:05 pmMRS - ONT
2 stops31h 24mBritish Airways
Sat 5/1010:00 amONT - MRS
2 stops38h 55mBritish Airways
Deal found 3/27$967
This Iberia deal was found by Cheapflights users on 3/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:40 pmMRS - ONT
2 stops20h 22mIberia
Sun 11/23:05 pmONT - MRS
2 stops17h 15mIberia
Deal found 3/27$994
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/101:55 pmMRS - ONT
2 stops18h 34mMultiple Airlines
Sun 8/3112:46 pmONT - MRS
2 stops19h 44mMultiple Airlines
Deal found 3/27$1,838

Cheapflights Fare Finder

Customize your flight search to find flights from Marseille to Ontario 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 March 28, 2025.
Use the filters below to find and compare flights from Marseille to Ontario that are best for you.

Fly from

Marseille

Fly to

Ontario

Route

Depart

Return

Price

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Fri 4/25

6:15 am-8:21 pm

2 stops23h 06m

Ontario

Sat 5/10

4:15 pm-6:10 pm

2 stops40h 55m

$828

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Sat 4/26

8:05 pm-6:29 pm

2 stops31h 24m

Ontario

Sat 5/10

10:00 am-9:55 am

2 stops38h 55m

$967

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Mon 8/18

12:40 pm-11:29 pm

2 stops19h 49m

Ontario

Sun 8/24

2:59 pm-5:30 pm

2 stops17h 31m

$1,074

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Sun 8/10

1:55 pm-11:29 pm

2 stops18h 34m

Ontario

Sun 8/31

12:46 pm-5:30 pm

2 stops19h 44m

$1,838

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Mon 4/7

6:15 am-11:50 pm

2 stops26h 35m

$1,174

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Sat 4/12

1:10 pm-9:58 pm

2 stops17h 48m

$1,198

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Sat 4/12

11:55 pm-11:50 pm

2 stops32h 55m

$1,563

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Mon 7/14

6:40 am-10:11 pm

3 stops24h 31m

$1,636

MarseilleOntario

MRS - ONT

MRSONT

Marseille

Mon 7/14

1:35 pm-10:52 pm

2 stops18h 17m

$5,797

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Marseille to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Marseille to Ontario (average of $246). Flying from Marseille to Ontario in March is currently the most expensive (average of $326). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Iberia
7.0
Good
2,651 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
British Airways
6.6
Okay
6,712 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Entertainment

7.0

Overall

7.4

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Related info for your journey

Find useful and relevant information for your journey from Marseille to Ontario. 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 Marseille to Ontario one-way?

    The cheapest airlines for a one-way flight from Marseille to Ontario are American Airlines ($1,174), British Airways ($1,198), and Iberia ($1,563).

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Marseille to Ontario (average of $246). Flying from Marseille to Ontario in March is currently the most expensive (average of $326). 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.

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