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Bangkok to Koh Samui: buses, trains, ferries & flights

Flights to Samui cost more; flying to Surat Thani then taking the ferry is a cheaper middle option.

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How	Time	Cost
Flight	~1h 5m	฿฿฿
Bus + ferry	~12–14h	฿
Train + ferry	~13–15h	฿–฿฿

Times are approximate. ฿ = budget · ฿฿ = mid-range · ฿฿฿ = premium. Check live prices and schedules on 12Go.

Tickets on 12Go ↗Koh Samui travel guide →

🧳 Before you go

The three things most travellers sort out first.

📶

Thai eSIM

Data the moment you land — Grab and maps just work.

Airalo ↗Klook ↗

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Airport transfer

Pre-book a ride from the airport to your hotel.

Klook ↗12Go ↗