Travel Bus Asia offers 3 daily departures, and you can find tickets starting at £48. The quickest ride takes around 13 hours. Travel Bus Asia offers a cost-effective solution to get you where you need to be.
Frequently asked questions about travelling by bus from Koh Samui to Bangkok
Please note that timetables, routes, or operator details shown here may be updated or vary at the time of your journey.
How much is the bus ticket from Koh Samui to Bangkok?
The cheapest coach tickets from Koh Samui to Bangkok start from £48. The average price for this route is around £49. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus journey from Koh Samui to Bangkok?
The average bus journey time from Koh Samui to Bangkok is 13h, covering a distance of 290 miles. The fastest bus can take you there in 12h 30m and is operated by Travel Bus Asia.
Which bus companies service the Koh Samui to Bangkok route?
Several major bus companies operate on this route with 3 buses available per day.
What is the earliest and latest departure time for the bus from Koh Samui to Bangkok?
The earliest bus departs from Koh Samui to Bangkok at 08:00. And the latest bus departs at 08:00.
What are the CO₂ emissions for the bus trip from Koh Samui to Bangkok?
A bus journey from Koh Samui to Bangkok produces an estimated 11.675025 kg of CO₂, making it a highly eco-friendly choice and a mode of travel recommended by Busbud.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
16/07
£44
17/07
£44
Today
£43
19/07
£44
20/07
£43
21/07
£43
22/07
£43
23/07
£43
The cheapest trip from Koh Samui to Bangkok was searched and found on 18 Jul 2026 with a price of £43
To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Koh Samui to Bangkok as early as possible.
You can expect to pay from £43 to £44 for a bus ticket from Koh Samui to Bangkok based on the last 2 days. You can expect to find the cheapest price for the trip at £43, which is on 2026-07-21.
The cheapest trip from Koh Samui to Bangkok was searched and found on 18 Jul 2026 with a price of £43