190 - 345 USD
Traveling from most locations, it is best to book your flight to Ontario during the month of March for the best deal although there are other times of the year which offer great deals as well.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Ontario.
From most locations, the cheapest flights to Ontario are found on a Wednesday. Booking a Sunday departure is usually the most expensive.
Typically, cheap prices to Ontario are most often found for evening flights. Cheap prices are less likely for morning flights.