From most locations, the cheapest flights to Florence can be found during the month of January; however great deals can be found at other times.
In general, most flyers find the cheapest time to book a flight to Florence is about 42 days prior.
In general, booking your departure to Florence for a Wednesday represents the best deal on airfare. Try to avoid a Friday departure to stay away from the highest prices.
On average you can find the best deals on plane tickets to Florence when looking for flights with midday departure times.