Bus and Coach from Koh Samui to Bangkok: Compare all prices

Compare all timetables for the bus from Koh Samui to Bangkok

Here is a selection of the cheapest bus trips from the schedule from Koh Samui to Bangkok from various bus operators like Krung Siam Tour, Trans Baan Ton or Raja Ferry for the next days.

today

tomorrow

£17

Saturday

£14

Sunday

£14

Monday

£14

Tuesday

£17

Wednesday

£28

Cheapest bus trips tomorrow
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Sombat		15:30	Koh Samui	Bus Stop	00:00	Bangkok	Southern Bus Terminal		Economy	£17	A Bus from Sombat goes from Bus Stop, Koh Samui (Thailand) at 05/12/2025 15:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 01/01/0001 00:00:00. 50 Economy ticket for £17 per person are available. Travel duration is 0h 0m
	Sombat		16:30	Koh Samui	Bus Stop	00:00	Bangkok	Southern Bus Terminal		Economy	£17	A Bus from Sombat goes from Bus Stop, Koh Samui (Thailand) at 05/12/2025 16:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 01/01/0001 00:00:00. 50 Economy ticket for £17 per person are available. Travel duration is 0h 0m

Cheapest bus trips Saturday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Future Travel and Service	15h 0m	15:00	Koh Samui	Ferry Port	06:00	Bangkok	City Library	Basic	£14	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 06/12/2025 15:00:00 to City Library, Bangkok (Thailand) arriving at 07/12/2025 06:00:00. 50 Basic ticket for £14 per person are available. Travel duration is 15h 0m
Montanatip Tour and Travel	14h 0m	15:00	Koh Samui	Na Thon	05:00	Bangkok	City Library	Economy	£15	A Bus from Montanatip Tour and Travel goes from Na Thon, Koh Samui (Thailand) at 06/12/2025 15:00:00 to City Library, Bangkok (Thailand) arriving at 07/12/2025 05:00:00. 50 Economy ticket for £15 per person are available. Travel duration is 14h 0m
Krung Siam Tour	15h 30m	14:00	Koh Samui	Na Thon	05:30	Bangkok	Southern Bus Terminal	Economy	£24	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 06/12/2025 14:00:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 07/12/2025 05:30:00. 50 Economy ticket for £24 per person are available. Travel duration is 15h 30m
Nara Travel	19h 30m	13:30	Koh Samui	Ko Samui - Lamai South	09:00	Bangkok	Khao San Travel Mart	Economy	£26	A Bus from Nara Travel goes from Ko Samui - Lamai South, Koh Samui (Thailand) at 06/12/2025 13:30:00 to Khao San Travel Mart, Bangkok (Thailand) arriving at 07/12/2025 09:00:00. 50 Economy ticket for £26 per person are available. Travel duration is 19h 30m
Trans Baan Ton	14h 0m	15:30	Koh Samui	Bus Stop	05:30	Bangkok	Southern Bus Terminal	Economy	£28	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 06/12/2025 15:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 07/12/2025 05:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 14h 0m

Cheapest bus trips Sunday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Future Travel and Service	15h 0m	15:00	Koh Samui	Ferry Port	06:00	Bangkok	City Library	Basic	£14	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 07/12/2025 15:00:00 to City Library, Bangkok (Thailand) arriving at 08/12/2025 06:00:00. 50 Basic ticket for £14 per person are available. Travel duration is 15h 0m
Montanatip Tour and Travel	14h 0m	15:00	Koh Samui	Na Thon	05:00	Bangkok	City Library	Economy	£15	A Bus from Montanatip Tour and Travel goes from Na Thon, Koh Samui (Thailand) at 07/12/2025 15:00:00 to City Library, Bangkok (Thailand) arriving at 08/12/2025 05:00:00. 50 Economy ticket for £15 per person are available. Travel duration is 14h 0m
Krung Siam Tour	15h 30m	14:00	Koh Samui	Na Thon	05:30	Bangkok	Southern Bus Terminal	Business	£25	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 07/12/2025 14:00:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 08/12/2025 05:30:00. 50 Business ticket for £25 per person are available. Travel duration is 15h 30m
Nara Travel	19h 30m	13:30	Koh Samui	Ko Samui - Lamai South	09:00	Bangkok	Khao San Travel Mart	Economy	£26	A Bus from Nara Travel goes from Ko Samui - Lamai South, Koh Samui (Thailand) at 07/12/2025 13:30:00 to Khao San Travel Mart, Bangkok (Thailand) arriving at 08/12/2025 09:00:00. 50 Economy ticket for £26 per person are available. Travel duration is 19h 30m
Trans Baan Ton	14h 0m	15:30	Koh Samui	Bus Stop	05:30	Bangkok	Southern Bus Terminal	Economy	£28	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 07/12/2025 15:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 08/12/2025 05:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 14h 0m

Cheapest bus trips Monday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Future Travel and Service	15h 0m	15:00	Koh Samui	Ferry Port	06:00	Bangkok	City Library	Basic	£14	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 08/12/2025 15:00:00 to City Library, Bangkok (Thailand) arriving at 09/12/2025 06:00:00. 50 Basic ticket for £14 per person are available. Travel duration is 15h 0m
Montanatip Tour and Travel	14h 0m	15:00	Koh Samui	Na Thon	05:00	Bangkok	City Library	Economy	£15	A Bus from Montanatip Tour and Travel goes from Na Thon, Koh Samui (Thailand) at 08/12/2025 15:00:00 to City Library, Bangkok (Thailand) arriving at 09/12/2025 05:00:00. 50 Economy ticket for £15 per person are available. Travel duration is 14h 0m
Krung Siam Tour	15h 30m	14:00	Koh Samui	Na Thon	05:30	Bangkok	Southern Bus Terminal	Economy	£24	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 08/12/2025 14:00:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 09/12/2025 05:30:00. 50 Economy ticket for £24 per person are available. Travel duration is 15h 30m
Nara Travel	19h 30m	13:30	Koh Samui	Ko Samui - Lamai South	09:00	Bangkok	Khao San Travel Mart	Economy	£26	A Bus from Nara Travel goes from Ko Samui - Lamai South, Koh Samui (Thailand) at 08/12/2025 13:30:00 to Khao San Travel Mart, Bangkok (Thailand) arriving at 09/12/2025 09:00:00. 50 Economy ticket for £26 per person are available. Travel duration is 19h 30m
Raja Ferry	17h 0m	13:00	Koh Samui	Nantra Chaweng Hotel	06:00	Bangkok	Khao San Travel Mart	Economy	£30	A Bus from Raja Ferry goes from Nantra Chaweng Hotel, Koh Samui (Thailand) at 08/12/2025 13:00:00 to Khao San Travel Mart, Bangkok (Thailand) arriving at 09/12/2025 06:00:00. 50 Economy ticket for £30 per person are available. Travel duration is 17h 0m

Cheapest bus trips Tuesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Sombat		15:30	Koh Samui	Bus Stop	00:00	Bangkok	Southern Bus Terminal	Economy	£17	A Bus from Sombat goes from Bus Stop, Koh Samui (Thailand) at 09/12/2025 15:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 01/01/0001 00:00:00. 50 Economy ticket for £17 per person are available. Travel duration is 0h 0m
Sombat		16:30	Koh Samui	Bus Stop	00:00	Bangkok	Southern Bus Terminal	Economy	£17	A Bus from Sombat goes from Bus Stop, Koh Samui (Thailand) at 09/12/2025 16:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 01/01/0001 00:00:00. 50 Economy ticket for £17 per person are available. Travel duration is 0h 0m
Trans Baan Ton	14h 0m	15:30	Koh Samui	Bus Stop	05:30	Bangkok	Southern Bus Terminal	Economy	£28	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 09/12/2025 15:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 10/12/2025 05:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 14h 0m
Trans Baan Ton	14h 0m	16:30	Koh Samui	Bus Stop	06:30	Bangkok	Southern Bus Terminal	Economy	£38	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 09/12/2025 16:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 10/12/2025 06:30:00. 50 Economy ticket for £38 per person are available. Travel duration is 14h 0m

Cheapest bus trips Wednesday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Trans Baan Ton	14h 0m	15:30	Koh Samui	Bus Stop	05:30	Bangkok	Southern Bus Terminal		Economy	£28	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 10/12/2025 15:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 11/12/2025 05:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 14h 0m
	Trans Baan Ton	14h 0m	16:30	Koh Samui	Bus Stop	06:30	Bangkok	Southern Bus Terminal		Economy	£38	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 10/12/2025 16:30:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 11/12/2025 06:30:00. 50 Economy ticket for £38 per person are available. Travel duration is 14h 0m

Did you know that if you travel from Koh Samui to Bangkok via Surat Thani, you can save more than £7? You can find the corresponding connections below.
- Bookaway
  
  19h 10m
  
  0
  
  14:00
  
  Koh Samui
  Ferry Port
  
  18:00
  
  Surat Thani
  Raja Ferry Port Ticket Counter
  
  0
  
  Economy
  
  £8
  
  A Bus from Bookaway goes from Ferry Port, Koh Samui (Thailand) at 11/12/2025 14:00:00 to Raja Ferry Port Ticket Counter, Surat Thani (Thailand) arriving at 11/12/2025 18:00:00. 50 Economy ticket for £8 per person are available. Travel duration is 4h 0m
- Easybook
  
  14h 10m
  
  0
  
  19:00
  
  Surat Thani
  Bus Terminal
  
  09:10
  
  Bangkok
  Mo Chit Bus Terminal
  
  0
  
  Economy
  
  £13
  
  A Bus from Easybook goes from Bus Terminal, Surat Thani (Thailand) at 11/12/2025 19:00:00 to Mo Chit Bus Terminal, Bangkok (Thailand) arriving at 12/12/2025 09:10:00. 50 Economy ticket for £13 per person are available. Travel duration is 14h 10m
Travel time is 5h 10m longer, but you will save £7

Best Price Offer: The price for the cheapest coach from Koh Samui to Bangkok is £14 on 06/12/2025. Flexible travellers save on ticket prices.

Frequency of bus connections between Koh Samui and Bangkok

See here how frequent the connections between Koh Samui and Bangkok are, during different times and days of the week.

Saturday is the busiest day, with more than 26 daily coaches from Koh Samui to Bangkok. Wednesday has instead the fewest connections, with only 2 daily coaches between Koh Samui and Bangkok.

The busiest time of the day is the Afternoon, with 75 coaches from Koh Samui to Bangkok, while Morning sees the fewest connections between Koh Samui and Bangkok, with 2 offers.

Facts about coaches from Koh Samui to Bangkok

Compare all providers like Krung Siam Tour, Trans Baan Ton and Raja Ferry that travel 12 times every day by bus from Koh Samui to Bangkok in one click! Book your bus ticket from Koh Samui to Bangkok starting from £14!

Cheapest Bus	£14
Fastest Bus	14h 0m
Earliest Coach	15:30
Latest Coach	16:30
Daily Bus Connections	12 Ø
Distance	472.0 km
Coach Companies	Krung Siam Tour, Trans Baan Ton, Raja Ferry, Montanatip Tour and Travel, Nara Travel, Jarinthon Tour, Sombat, Future Travel and Service and Sapthaweephol Tour and Travel

Cheapest coach connections from Koh Samui to Bangkok

Every day, 12 buses from 9 coach companies leave Koh Samui for Bangkok: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 04/12/2025 and for the following days.

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Monday 01/12

Tuesday 02/12

Wednesday 03/12

Thursday 04/12

£15

Friday 05/12

£15

Saturday 06/12

£23

Sunday 07/12

£15

Monday 08/12

£15

Tuesday 09/12

£15

Wednesday 10/12

£15

Thursday 11/12

£15

Friday 12/12

£16

Saturday 13/12

£15

Sunday 14/12

£15

Monday 15/12

£15

Tuesday 16/12

£15

Wednesday 17/12

£15

Thursday 18/12

£15

Friday 19/12

£15

Saturday 20/12

£15

Sunday 21/12

£15

Monday 22/12

£15

Tuesday 23/12

£15

Wednesday 24/12

£15

Thursday 25/12

£15

Friday 26/12

£15

Saturday 27/12

£15

Sunday 28/12

The cheapest time to travel from Koh Samui to Bangkok

See here on which day and which time of the day you can find the cheapest bus ticket from Koh Samui to Bangkok, for the next 30 days.

With a price starting from £14, Saturday is the cheapest day for a coach from Koh Samui to Bangkok. Tuesday instead is the most expensive day with prices starting from £15.

Afternoon is the cheapest day time for bus tickets from Koh Samui to Bangkok, with £14. Morning is the most expensive time of the day with prices starting from £38.

How to save money travelling from Koh Samui to Bangkok

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Koh Samui to Bangkok in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Koh Samui to Bangkok, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later coaches from Koh Samui to Bangkok are also emptier.

Beloved bus companies from Koh Samui to Bangkok

These are the most booked bus companies between Koh Samui to Bangkok from our users.

Future Travel and Service from Koh Samui to Bangkok

Here you will find the key facts about the Future Travel and Service bus route Koh Samui to Bangkok:

Cheapest Price	£14
Fastest Coach	15h 0m
Earliest Coach	15:00
Last Coach	15:00
Daily Connections	1 Ø
Found on	23/11/2025

Jarinthon Tour from Koh Samui to Bangkok

Here you will find the key facts about the Jarinthon Tour bus route Koh Samui to Bangkok:

Cheapest Price	£16
Fastest Coach	15h 0m
Earliest Coach	15:00
Last Coach	15:00
Daily Connections	2 Ø
Found on	23/11/2025

All bus stations and stops in Koh Samui and Bangkok

The map below shows you where to find all the bus stations in Koh Samui and Bangkok.

Nathon Pier

Na Thon

Ferry Port

Bus Terminal

Ang Thong, Ko Samui District

Marine Passion

Ekkamai Coach Station

Sukhumvit Rd 928

Khao San Travel Mart

Talat Yot, Phra Nakhon

Mo Chit Bus Terminal

Kamphaeng Phet 2 Rd

Pratunam Market

Phetchaburi Road 869/30

Southern Bus Terminal

Borommaratchachonnani Road 8

Compare the bus with other modes of transport

The bus is often the cheapest mode of transport, while other modes like train or flight are faster. Looking for quicker alternatives to travel from Koh Samui to Bangkok? Compare all modes of transports from Koh Samui to Bangkok.

Service and Comfort on the bus from Koh Samui to Bangkok

Want to know which seat classes are available on the coaches from Koh Samui to Bangkok? Or which bus companies serve the route Koh Samui to Bangkok? Below you will find answers to your questions.

FAQs about the Koh Samui to Bangkok bus

How much does a Koh Samui - Bangkok coach trip cost?

This depends on, among other things, the day and travel time. The cheapest ticket for the Koh Samui - Bangkok bus trip is available from £14 and takes 15h 0m. Compare offers and save money!

How much could I save by comparing buses from Koh Samui to Bangkok?

The connection Koh Samui to Bangkok is offered by 9 companies with ticket prices ranging from £14 to £39. Therefore, we suggest booking your ticket as soon as possible to ensure you will get the cheapest ticket price.

How many connections are available for the Koh Samui - Bangkok route on average every day?

Each day, the bus route from Koh Samui to Bangkok is offered by roughly 12 busses. By using our search, you can compare bus schedules and find your ideal trip.

How long does a bus to Bangkok from Koh Samui take?

The quickest coach from Koh Samui to Bangkok is provided by Montanatip Tour and Travel and takes 14h 0m. Coach tickets for this connection cost £15. However, keep in mind that the connection can take longer due to traffic.

What time is the first bus from Koh Samui to Bangkok?

The earliest bus to Bangkok departs from Koh Samui at 15:30. In this context, information about departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

What time is the last coach from Koh Samui to Bangkok?

The latest bus to Bangkok departs from Koh Samui at 16:30. Please note that departure times may differ on weekends and holidays. Simply use our search to find the exact times for your planned travel date.

Which bus companies serve the Koh Samui - Bangkok route?

Passengers looking to travel from Koh Samui to Bangkok can travel with Krung Siam Tour, Trans Baan Ton and Raja Ferry. Compare all available bus tickets with our search to book the trip that works best for you.

Is there a direct bus between Koh Samui and Bangkok?

You can check all the direct connections between Koh Samui and Bangkok by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: Krung Siam Tour, Trans Baan Ton and Raja Ferry.

What can I take with me on the bus to Bangkok from Koh Samui?

Depending on which provider you travel with, what you are allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the bus for the Koh Samui Bangkok bus route free of charge. Simply use our search to find a coach that is best suited to your needs for your planned travel date.

What equipment is available for the Koh Samui Bangkok bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make travelling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Koh Samui to Bangkok on your planned travel date.

Available seat classes which are offered on the bus route Koh Samui to Bangkok

Basic

Name referring to the typical seat you will find with companies that don’t distinguish between different classes.

Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

Business

Comfortable seating, food and drink service, accompanied generally by ticket flexibility.

More bus routes to Koh Samui and to Bangkok

Here’s an overview of the most popular bus routes to Koh Samui and to Bangkok. Simply click on the connection of your choice, and you will find all the details about your bus route!