From Koh Samui , if you have to travel to Nakhonsithammarat Airport, you can travel by Lompryah company transfer service. The ticket is 600 Baht per person per way. If you need a pick-up service from the hotel in Koh Samui to the pier, it will be 150 Baht more per person = 150 + 600 = 750 Baht totally, then you will arrive to Nakhonsithammarat Airport.
This transfer departure from Samui at Nathon Pier at 8:00 a.m. and 12:45 Hrs by Lomprayah Catamaran to Donsak pier, then they will have the join company buses transfer to Nakhonsithammarat Airport.
If you take 8:00 a.m. Catamaran , you will arrive at Nakhonsithammarat Airport at 10:30 a.m. and if you take 12:45 Hrs Catamaran, you will arrive at Nakhonsithammarat at 16:00 Hrs
For more information to know, this transfer is also possible if you want to go to Suratthani Airport the price is the same as to Nakhonsithammarat airport 600 + 150 Baht the same boat, just different buses to Suratthani or Nakhonsithammarat.)
This red-roof building is the place where you can buy Lomprayah Ticket to go to the mainland at Donsak pier boat time at 8:00 a.m. and 12:45 Hrs. daily.
After you buy the ticket, you have to walk until the end of this bridge to the tent and wait for the catamaran. (Sometimes Lomprayah company will have the pick-up transfer for free to the end of this pier but you have to wait for it. If you don't want to wait, just walk, it is only 100 meters long.
If you are the big group of people and need the private transfer from Koh Samui hotel to Nakhonsithammarat Airport or Suratthani Airport , www.samuibackpack.com can provide you the price of 4500 Baht per van included the transfer in Koh Samui from your hotel to Nathon pier and transfer on the mainland to Nakhonsithammarat or Suratthani Airport and the ferry ticket for the van and the driver. (But not included the ferry ticket for passengers.(You have to pay extra about 130 Baht per person for the ferry ticket.) Just call us to Tel : 083 1430034 as lease 1-2 days in advance to provide the van for you.