Go through your results for flights to Nanning in China with Netflights. Although Air China usually has the best prices, it's best to double check what's available for your travel dates.
If these flights are too expensive, try searching for a different time of year. It's likely that prices for both flights and accommodation in Nanning will be higher during April. Meanwhile, July is nearly always the cheapest time to fly. So if your dates are flexible, consider looking at different times of year.
But if you're struggling to find flights to Nanning that work for you, try looking at other airports in China. We've compared 81 flights across the globe so far today, so there's bound to be one that suits you.
For even more options, check what other airports you could fly to Nanning from. You might be able to make a saving by going from a different airport or city.