The best day to arrive at Xiamen is Thursday and it would be best to avoid Saturday, as prices are on average 94.47% higher than on Thursday. (Average prices, based on 236 datapoints.)
From Xiamen it is on average the cheapest to fly to Beijing and to Jakarta. (Average prices, based on 183 datapoints.)
From Xiamen most of the flights depart to Beijing, second best connected from Xiamen is Shanghai. (Daily flights, based on 61 datapoints.)
