There is no direct train or bus go from Haikou Airport to Wenchang, you need to take bus or taxi to downtown Haikou first and then take long distance bus to Wenchang.

hi, u can take a taxi from the airport to the haikou east bus station.(30minutesand 50RMB )and then buy the tickets from haikou to wenchang city, 18 RMB for everyone.(about one hour), there. how many years you have not been to wen chang city?wenchang city is changed a lot. hope u can find anything there.i spended my college time there. it is real a peaceful , nice and natural place.have a good time