Koh Samui to Surat Thani Airport

There are six companies which operate direct travel services from Koh Samui to Surat Thani Airport: 1. Raja Car Ferry Company 2. Phantip Travel Company  3. Lomprayah High Speed Ferry Company  4. Seatran Discovery Company 5. The Songserm Company 6. Seatran Ferry The quickest service takes 2 hours 30 minutes, and the slowest services takes around 6