To save up to 60% on this flight, we recommend booking at least 22 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Marseille from $979 1-2 weeks out and tickets from $1,393 for flights departing within the next 72 hours.
The best pricing can be found in the month of October. Prices to Marseille from Ontario average $885. You can even find prices in October for less than $885, as users have found deals to Marseille from as low as $322. The month of June appears to be one of the more expensive times to travel to Marseille from Ontario. Flying in the targeted month can save you up to 46%.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Marseille as you normally would.