Bangkok Airways operates Bangkok-Samui, Samui-Phuket, Samui-Pattaya (U-Tapao), Samui-Krabi, Samui-Hong Kong and Samui-Singapore flights. From Samui there is a daily flight to Hong Kong and this makes the Island the ideal base from which to visit other popular locations within the Far East. You can book online or through an agent. Thai Airways also have two flights a day from Bangkok to Samui. You also can fly to Surat Thani on the mainland with Air Asia and Nok Air.
You can get a shuttle bus or taxi to the ferry terminal at Donsak (about 1 hour transfer) followed by a ferry journey to the Island.