What is the best way to go to Sanya Airport from Haikou Meilan Airport ?

The best way is you can take the bullet train at airport station to Sanya high speed train station, and the shortest train ride needs only about 1.5 hours.

And then you can take the bus No.36 or take a taxi at Sanya high speed train station to the Sanya Fenghuang Airport. You may spend about one hour by bus or 30-40 minutes by taxi.