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$649+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
MRS — ONT
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$649
(Iberia)

Popular in

August

Cheapest in

January

Average price

$843
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 ($189 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 17, 2025.

This Iberia deal was found by Cheapflights users on 4/16. 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.
mar. 8/1912:40 pmMRS - ONT
2 stops19h 49mIberia
mar. 9/233:00 pmONT - MRS
2 stops17h 30mIberia
Deal found 4/16$649
This Iberia deal was found by Cheapflights users on 4/16. 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.
vie. 5/211:00 amMRS - ONT
2 stops21h 50mMultiple Airlines
mar. 5/67:30 amONT - MRS
2 stops24h 55mMultiple Airlines
Deal found 4/16$693
This Booking.com deal was found by Cheapflights users on 4/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1911:45 amMRS - ONT
2 stops19h 15mBritish Airways
jue. 11/273:05 pmONT - MRS
2 stops17h 15mBritish Airways
Deal found 4/16$848
This American Airlines deal was found by Cheapflights users on 4/16. 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.
sáb. 5/31:10 pmMRS - ONT
2 stops29h 44mAmerican Airlines
lun. 5/191:14 pmONT - MRS
2 stops18h 46mAmerican Airlines
Deal found 4/16$871
This United Airlines deal was found by Cheapflights users on 4/15. 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.
dom. 5/256:05 amMRS - ONT
2 stops20h 34mUnited Airlines
mar. 6/31:36 pmONT - MRS
2 stops19h 24mUnited Airlines
Deal found 4/15$892
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/2612:15 pmMRS - ONT
2 stops37h 02mDelta
jue. 6/57:05 amONT - MRS
2 stops25h 25mDelta
Deal found 4/15$945

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 abril 17, 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

mar. 8/19

12:40 pm-11:29 pm

2 stops19h 49m

Ontario

mar. 9/23

3:00 pm-5:30 pm

2 stops17h 30m

$649

MarseilleOntario

MRS - ONT

MRSONT

Marseille

vie. 5/2

11:00 am-11:50 pm

2 stops21h 50m

Ontario

mar. 5/6

7:30 am-5:25 pm

2 stops24h 55m

$693

MarseilleOntario

MRS - ONT

MRSONT

Marseille

sáb. 5/3

1:10 pm-9:54 am

2 stops29h 44m

Ontario

lun. 5/19

1:14 pm-5:00 pm

2 stops18h 46m

$871

MarseilleOntario

MRS - ONT

MRSONT

Marseille

dom. 5/25

6:05 am-5:39 pm

2 stops20h 34m

Ontario

mar. 6/3

1:36 pm-6:00 pm

2 stops19h 24m

$892

MarseilleOntario

MRS - ONT

MRSONT

Marseille

lun. 5/26

12:15 pm-4:17 pm

2 stops37h 02m

Ontario

jue. 6/5

7:05 am-5:30 pm

2 stops25h 25m

$945

MarseilleOntario

MRS - ONT

MRSONT

Marseille

sáb. 5/3

1:10 pm-9:58 pm

2 stops17h 48m

Ontario

dom. 5/18

4:35 pm-6:00 pm

2 stops16h 25m

$1,231

MarseilleOntario

MRS - ONT

MRSONT

Marseille

jue. 10/9

11:35 pm-10:00 pm

2 stops31h 25m

$1,063

MarseilleOntario

MRS - ONT

MRSONT

Marseille

mar. 7/22

6:40 am-10:11 pm

3 stops24h 31m

$1,789

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 $328). 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 abril 17, 2025.
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,676 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
6,767 reviews
Delta
8.0
Very good
7,917 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $328). 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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