Scroll through the results for cheap flights to Changsha in China. To get the best deal, we'd advise booking in advance, particularly if you want to fly with a specific airline. The most popular airlines are British Airways, China Eastern Airlines & Thai Airways International, but that doesn't necessarily mean they're the cheapest. Check your dates and see.
Flexible on dates? Conducting your search by month allows you to compare prices to Changsha throughout the year. For example, prices will almost certainly be higher around September, as this is peak season in Changsha. Accommodation prices will also be higher at this time of year. Flights to Changsha are usually cheapest in March.
Changsha receives three direct and indirect flights every week, but the cheapest airline is normally British Airways. So, if the flights to Changsha don't work for you, you could always try searching for flights to other airports in China.
Looking at a few different departure airports will give you even more choice. See what you can find. And remember, it's best to book your flights in advance wherever possible.