Bangkok to Koh Samui
กรุงเทพฯ → เกาะสมุย
The Gulf of Thailand’s palm-fringed island, gateway to Koh Phangan, Koh Tao and Ang Thong Marine Park.
Our pick: Fly direct if your budget allows; otherwise fly to Surat Thani or take the overnight train, then the ferry.
Time vs price
Travel timePrice per person
✈ Flight 1h 5m–1h 20m ฿3,500–฿7,000
⛴ Train/bus + ferry 5 h–6 h ฿1,500–฿3,000
⛴ Train/bus + ferry 14 h–17 h ฿1,000–฿1,800
Typical ranges, checked 2026-10. Prices change with season and how early you book.
Tips from a local
- The Gulf islands are wettest from October to December — the opposite of Phuket.
- Book the last ferry connection with a buffer; trains often run late.
Still in Bangkok first? Plan your days with the itinerary planner, and see the airport transfer calculator if you're flying out.
Frequently asked questions
What is the fastest way from Bangkok to Koh Samui?
Flight: about 1h 5m–1h 20m, from Suvarnabhumi.
What is the cheapest way from Bangkok to Koh Samui?
Train/bus + ferry: from about ฿1,000 per person, taking 14 h–17 h.
How far is Koh Samui from Bangkok?
About 650 km by road.