Travel by bus can be arranged through your accommodation or through one of the many travel agents in the south of Thailand. Most will involve traveling through the night due to the amount of distance to travel and stop in the capital of Bangkok. See our Bangkok section for ways to get to Samet.
Bangkok Airways operate direct flights daily from both Koh Samui and Phuket that will take you to Rayong (U-Tapao) Airport.
There are Two daily flight from Koh Samui leaving at 9.10am at 11.10am each day taking an hour and 20 minutes approximately. Prices start from around 3700thb for a one way ticket.
There is One flight operated by Bangkok Airways each day, from Phuket leaving at 3.10pm and taking 1 hour 40 minutes approximately. Fares start from 2400 baht.