From most locations, the cheapest flights to Changsha can be found during the month of November; however great deals can be found at other times.
On average, from most locations, when planning your trip to Changsha, try to book your flight in the region of 60 days in advance for the cheapest prices.
In general, booking your departure to Changsha for a Thursday represents the best deal on airfare. Try to avoid a Monday departure to stay away from the highest prices.
On average you can find the best deals on plane tickets to Changsha when looking for flights with noon departure times.