THE SHORT VERSION
Bangkok to Koh Samui at a glance.
- From
- Bangkok กรุงเทพมหานคร
- To
- Koh Samui เกาะสมุย
- Straight line
- 476 km
- Return route
- Koh Samui to Bangkok →
Ready to travel from Bangkok to Koh Samui?
Check live availability, fares and departure times with 12Go.
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Bangkok
Bangkok is Thailand's capital and its main long-distance bus hub, with separate terminals for the north and north-east, the east, and the south. International buses to Cambodia and Laos also start here.
- Mo Chit (Northern) Bus Terminal
Routes to the north and north-east, and many international buses. - Ekkamai (Eastern) Bus Terminal
Routes to the east coast, such as Pattaya and Trat. - Southern Bus Terminal (Sai Tai Mai)
Routes to the south and west.
Arriving in Koh Samui
Check which pier your boat uses. Taxis and songthaews connect the piers with Chaweng, Lamai and other beaches.
- Island ferry piers
Ferries arrive at Nathon and Lipa Noi; catamarans also use other piers.
Keep the essentials offline
Save your ticket, the exact meeting point and the operator's phone number before you set off. Follow the check-in time on your confirmation.
- Sea conditions can delay boats. Avoid tight flight connections.
KEEP GOING
From Koh Samui, the road continues.
This trip includes a boat crossing. For ferry routes and timetables, see our sister site FerryConnect.
Other ways to reach Koh Samui
More buses from Bangkok
GOOD QUESTIONS
Before you take your seat.
How long does the bus from Bangkok to Koh Samui take?+
Journey times depend on the service and any boat connection. Check the duration of your chosen departure on 12Go before booking.
Where does the bus leave from in Bangkok?+
It depends on the operator. Main options in Bangkok include Mo Chit (Northern) Bus Terminal, Ekkamai (Eastern) Bus Terminal, Southern Bus Terminal (Sai Tai Mai), and many tourist companies collect from offices or hotels. Your ticket shows the exact boarding point.
Is there a bus back from Koh Samui to Bangkok?+
Yes, 12Go also lists services in the opposite direction. See our Koh Samui to Bangkok guide.
Where does the bus from Bangkok arrive in Koh Samui?+
It depends on the operator. In Koh Samui, services use Island ferry piers. Check which pier your boat uses. Taxis and songthaews connect the piers with Chaweng, Lamai and other beaches.
How do I get from the bus stop to the centre of Koh Samui?+
Check which pier your boat uses. Taxis and songthaews connect the piers with Chaweng, Lamai and other beaches.
What kind of bus runs from Bangkok to Koh Samui?+
Tickets to Koh Samui usually combine a bus or van with a boat. The vehicle type, seat style and boat connection are shown for each departure on 12Go.
Can I book the Bangkok to Koh Samui bus online?+
Yes. 12Go lists departures on this route. You choose a date, compare operators and pay online, and the provider issues the ticket. BusConnects doesn't sell tickets itself.
Where can I go next from Koh Samui by bus?+
Direct buses from Koh Samui include Donsak, Hat Yai, Hua Hin, Krabi Town, Patong and more. See all connections on our Koh Samui bus page.
Does the trip to Koh Samui include a ferry?+
Yes, Koh Samui is an island, so the journey includes a boat crossing. Check whether your ticket covers the boat and the transfer from the pier, and allow for weather delays.
Still deciding? Check today's departures, then book your seat.
Book Bangkok → Koh Samui on 12GoFOLLOW THE INFORMATION
Clear sources. Better decisions.
Route listed in 12Go's public route index (checked 2026-10-09). Station information reviewed 2026-10-09. Distance: OpenStreetMap data via OSRM (approximate driving distance). Listings change and are not live inventory. Confirm the departure, pickup, price and conditions before paying.
12Go: Bangkok to Koh Samui bus route listing ↗Wikivoyage: Bangkok (Get in) ↗Wikivoyage: Ko Samui (Get in) ↗How BusConnects uses sources →