In general, when booking your flight to Orlando, January is the cheapest month on average.
From most locations, booking your flights to Orlando around 37 days prior to your departure date finds the best deals.
On average, the cheapest flights to Orlando are found when departing on a Tuesday. Try to avoid departing on a Saturday, as this is usually the most expensive day.
On average you can find the best deals on plane tickets to Orlando when looking for flights with midday departure times.