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, Montanatip Tour and Travel or Raja Ferry for the next days.

today

£20

tomorrow

£18

Monday

£17

Tuesday

£18

Wednesday

£18

Thursday

Friday

£17

Cheapest bus trips today
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	Economy	£20	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 20/06/2026 15:00:00 to City Library, Bangkok (Thailand) arriving at 21/06/2026 06:00:00. 50 Economy ticket for £20 per person are available. Travel duration is 15h 0m
Sapthaweephol Tour and Travel	14h 0m	15:00	Koh Samui	Ferry Port	05:00	Bangkok	City Library	Economy	£21	A Bus from Sapthaweephol Tour and Travel goes from Ferry Port, Koh Samui (Thailand) at 20/06/2026 15:00:00 to City Library, Bangkok (Thailand) arriving at 21/06/2026 05:00:00. 50 Economy ticket for £21 per person are available. Travel duration is 14h 0m
TravelBusAsia	13h 30m	15:00	Koh Samui	Nathon Pier	04:30	Bangkok	Soi Ram Butri	First Class	£22	A Bus from TravelBusAsia goes from Nathon Pier, Koh Samui (Thailand) at 20/06/2026 15:00:00 to Soi Ram Butri, Bangkok (Thailand) arriving at 21/06/2026 04:30:00. 50 First Class ticket for £22 per person are available. Travel duration is 13h 30m
Montanatip Tour and Travel	15h 0m	14:00	Koh Samui	Ferry Port	05:00	Bangkok	City Library	Economy	£23	A Bus from Montanatip Tour and Travel goes from Ferry Port, Koh Samui (Thailand) at 20/06/2026 14:00:00 to City Library, Bangkok (Thailand) arriving at 21/06/2026 05:00:00. 50 Economy ticket for £23 per person are available. Travel duration is 15h 0m
Krung Siam Tour	15h 30m	14:00	Koh Samui	Na Thon	05:30	Bangkok	Southern Bus Terminal	Business	£26	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 20/06/2026 14:00:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 21/06/2026 05:30:00. 50 Business ticket for £26 per person are available. Travel duration is 15h 30m

Cheapest bus trips tomorrow
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Sapthaweephol Tour and Travel	13h 0m	16:00	Koh Samui	Nathon Pier	05:00	Bangkok	City Library	Economy	£18	A Bus from Sapthaweephol Tour and Travel goes from Nathon Pier, Koh Samui (Thailand) at 21/06/2026 16:00:00 to City Library, Bangkok (Thailand) arriving at 22/06/2026 05:00:00. 50 Economy ticket for £18 per person are available. Travel duration is 13h 0m
Future Travel and Service	15h 0m	15:00	Koh Samui	Ferry Port	06:00	Bangkok	City Library	Economy	£20	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 21/06/2026 15:00:00 to City Library, Bangkok (Thailand) arriving at 22/06/2026 06:00:00. 50 Economy ticket for £20 per person are available. Travel duration is 15h 0m
TravelBusAsia	13h 30m	15:00	Koh Samui	Nathon Pier	04:30	Bangkok	Soi Ram Butri	First Class	£22	A Bus from TravelBusAsia goes from Nathon Pier, Koh Samui (Thailand) at 21/06/2026 15:00:00 to Soi Ram Butri, Bangkok (Thailand) arriving at 22/06/2026 04:30:00. 50 First Class ticket for £22 per person are available. Travel duration is 13h 30m
Montanatip Tour and Travel	15h 0m	14:00	Koh Samui	Ferry Port	05:00	Bangkok	City Library	Economy	£23	A Bus from Montanatip Tour and Travel goes from Ferry Port, Koh Samui (Thailand) at 21/06/2026 14:00:00 to City Library, Bangkok (Thailand) arriving at 22/06/2026 05:00:00. 50 Economy ticket for £23 per person are available. Travel duration is 15h 0m
Krung Siam Tour	15h 30m	14:00	Koh Samui	Na Thon	05:30	Bangkok	Southern Bus Terminal	Business	£26	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 21/06/2026 14:00:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 22/06/2026 05:30:00. 50 Business ticket for £26 per person are available. Travel duration is 15h 30m

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	Economy	£17	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 22/06/2026 15:00:00 to City Library, Bangkok (Thailand) arriving at 23/06/2026 06:00:00. 50 Economy ticket for £17 per person are available. Travel duration is 15h 0m
Montanatip Tour and Travel	15h 0m	14:00	Koh Samui	Ferry Port	05:00	Bangkok	City Library	Economy	£20	A Bus from Montanatip Tour and Travel goes from Ferry Port, Koh Samui (Thailand) at 22/06/2026 14:00:00 to City Library, Bangkok (Thailand) arriving at 23/06/2026 05:00:00. 50 Economy ticket for £20 per person are available. Travel duration is 15h 0m
TravelBusAsia	13h 30m	15:00	Koh Samui	Nathon Pier	04:30	Bangkok	Soi Ram Butri	Business	£21	A Bus from TravelBusAsia goes from Nathon Pier, Koh Samui (Thailand) at 22/06/2026 15:00:00 to Soi Ram Butri, Bangkok (Thailand) arriving at 23/06/2026 04:30:00. 50 Business ticket for £21 per person are available. Travel duration is 13h 30m
Krung Siam Tour	15h 30m	14:00	Koh Samui	Na Thon	05:30	Bangkok	Southern Bus Terminal	Business	£26	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 22/06/2026 14:00:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 23/06/2026 05:30:00. 50 Business ticket for £26 per person are available. Travel duration is 15h 30m
Raja Ferry	17h 0m	13:00	Koh Samui	Nantra Chaweng Hotel	06:00	Bangkok	Khao San Travel Mart	Economy	£44	A Bus from Raja Ferry goes from Nantra Chaweng Hotel, Koh Samui (Thailand) at 22/06/2026 13:00:00 to Khao San Travel Mart, Bangkok (Thailand) arriving at 23/06/2026 06:00:00. 50 Economy ticket for £44 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
Future Travel and Service	15h 0m	15:00	Koh Samui	Ferry Port	06:00	Bangkok	City Library	Economy	£18	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 23/06/2026 15:00:00 to City Library, Bangkok (Thailand) arriving at 24/06/2026 06:00:00. 50 Economy ticket for £18 per person are available. Travel duration is 15h 0m
Montanatip Tour and Travel	15h 0m	14:00	Koh Samui	Ferry Port	05:00	Bangkok	City Library	Economy	£20	A Bus from Montanatip Tour and Travel goes from Ferry Port, Koh Samui (Thailand) at 23/06/2026 14:00:00 to City Library, Bangkok (Thailand) arriving at 24/06/2026 05:00:00. 50 Economy ticket for £20 per person are available. Travel duration is 15h 0m
TravelBusAsia	13h 30m	15:00	Koh Samui	Nathon Pier	04:30	Bangkok	Soi Ram Butri	Business	£21	A Bus from TravelBusAsia goes from Nathon Pier, Koh Samui (Thailand) at 23/06/2026 15:00:00 to Soi Ram Butri, Bangkok (Thailand) arriving at 24/06/2026 04:30:00. 50 Business ticket for £21 per person are available. Travel duration is 13h 30m
Krung Siam Tour	16h 30m	14:00	Koh Samui	Na Thon	06:30	Bangkok	Mo Chit Bus Terminal	Business	£26	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 23/06/2026 14:00:00 to Mo Chit Bus Terminal, Bangkok (Thailand) arriving at 24/06/2026 06:30:00. 50 Business ticket for £26 per person are available. Travel duration is 16h 30m
Raja Ferry	17h 0m	13:00	Koh Samui	Nantra Chaweng Hotel	06:00	Bangkok	Khao San Travel Mart	Economy	£44	A Bus from Raja Ferry goes from Nantra Chaweng Hotel, Koh Samui (Thailand) at 23/06/2026 13:00:00 to Khao San Travel Mart, Bangkok (Thailand) arriving at 24/06/2026 06:00:00. 50 Economy ticket for £44 per person are available. Travel duration is 17h 0m

Cheapest bus trips Wednesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Sapthaweephol Tour and Travel	13h 0m	16:00	Koh Samui	Nathon Pier	05:00	Bangkok	City Library	Economy	£18	A Bus from Sapthaweephol Tour and Travel goes from Nathon Pier, Koh Samui (Thailand) at 24/06/2026 16:00:00 to City Library, Bangkok (Thailand) arriving at 25/06/2026 05:00:00. 50 Economy ticket for £18 per person are available. Travel duration is 13h 0m
Future Travel and Service	15h 0m	15:00	Koh Samui	Ferry Port	06:00	Bangkok	City Library	Economy	£20	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 24/06/2026 15:00:00 to City Library, Bangkok (Thailand) arriving at 25/06/2026 06:00:00. 50 Economy ticket for £20 per person are available. Travel duration is 15h 0m
TravelBusAsia	13h 30m	15:00	Koh Samui	Nathon Pier	04:30	Bangkok	Soi Ram Butri	First Class	£22	A Bus from TravelBusAsia goes from Nathon Pier, Koh Samui (Thailand) at 24/06/2026 15:00:00 to Soi Ram Butri, Bangkok (Thailand) arriving at 25/06/2026 04:30:00. 50 First Class ticket for £22 per person are available. Travel duration is 13h 30m
Montanatip Tour and Travel	15h 0m	14:00	Koh Samui	Ferry Port	05:00	Bangkok	City Library	Economy	£23	A Bus from Montanatip Tour and Travel goes from Ferry Port, Koh Samui (Thailand) at 24/06/2026 14:00:00 to City Library, Bangkok (Thailand) arriving at 25/06/2026 05:00:00. 50 Economy ticket for £23 per person are available. Travel duration is 15h 0m
Krung Siam Tour	15h 30m	14:00	Koh Samui	Na Thon	05:30	Bangkok	Southern Bus Terminal	Business	£26	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 24/06/2026 14:00:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 25/06/2026 05:30:00. 50 Business ticket for £26 per person are available. Travel duration is 15h 30m

Cheapest bus trips Friday
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	Economy	£17	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 26/06/2026 15:00:00 to City Library, Bangkok (Thailand) arriving at 27/06/2026 06:00:00. 50 Economy ticket for £17 per person are available. Travel duration is 15h 0m
Sapthaweephol Tour and Travel	13h 0m	16:00	Koh Samui	Nathon Pier	05:00	Bangkok	City Library	Economy	£18	A Bus from Sapthaweephol Tour and Travel goes from Nathon Pier, Koh Samui (Thailand) at 26/06/2026 16:00:00 to City Library, Bangkok (Thailand) arriving at 27/06/2026 05:00:00. 50 Economy ticket for £18 per person are available. Travel duration is 13h 0m
Sapthaweephol Tour and Travel	14h 0m	15:00	Koh Samui	Nathon Pier	05:00	Bangkok	City Library	Economy	£21	A Bus from Sapthaweephol Tour and Travel goes from Nathon Pier, Koh Samui (Thailand) at 26/06/2026 15:00:00 to City Library, Bangkok (Thailand) arriving at 27/06/2026 05:00:00. 50 Economy ticket for £21 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	£26	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 26/06/2026 14:00:00 to Southern Bus Terminal, Bangkok (Thailand) arriving at 27/06/2026 05:30:00. 50 Business ticket for £26 per person are available. Travel duration is 15h 30m
Krung Siam Tour	16h 30m	14:00	Koh Samui	Na Thon	06:30	Bangkok	Mo Chit Bus Terminal	Business	£26	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 26/06/2026 14:00:00 to Mo Chit Bus Terminal, Bangkok (Thailand) arriving at 27/06/2026 06:30:00. 50 Business ticket for £26 per person are available. Travel duration is 16h 30m

Best Price Offer: The price for the cheapest coach from Koh Samui to Bangkok is £15 on 11/07/2026. Flexible travellers save on ticket prices.

Facts about coaches from Koh Samui to Bangkok

Compare all providers like Krung Siam Tour, Montanatip Tour and Travel and Raja Ferry that travel 20 times every day by bus from Koh Samui to Bangkok in one click! Book your bus ticket from Koh Samui to Bangkok starting from £15!

Cheapest Bus	£15
Fastest Bus	13h 0m
Earliest Coach	13:00
Latest Coach	16:00
Daily Bus Connections	20 Ø
Distance	472.0 km
Coach Companies	Krung Siam Tour, Montanatip Tour and Travel, Raja Ferry, Sapthaweephol Tour and Travel, Jarinthon Tour, TravelBusAsia, Future Travel and Service and Nara Travel

Cheapest coach connections from Koh Samui to Bangkok

Every day, 20 buses from 8 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 20/06/2026 and for the following days.

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Monday 15/06

Tuesday 16/06

Wednesday 17/06

Thursday 18/06

Friday 19/06

Saturday 20/06

£27

Sunday 21/06

£27

Monday 22/06

£27

Tuesday 23/06

£17

Wednesday 24/06

£27

Thursday 25/06

£27

Friday 26/06

£27

Saturday 27/06

£27

Sunday 28/06

£27

Monday 29/06

£27

Tuesday 30/06

Wednesday 01/07

£27

Thursday 02/07

£27

Friday 03/07

£27

Saturday 04/07

£27

Sunday 05/07

£27

Monday 06/07

£27

Tuesday 07/07

£27

Wednesday 08/07

£27

Thursday 09/07

£27

Friday 10/07

£27

Saturday 11/07

£15

Sunday 12/07

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	£17
Fastest Coach	15h 0m
Earliest Coach	15:00
Last Coach	15:00
Daily Connections	1 Ø
Found on	16/06/2026

Sapthaweephol Tour and Travel from Koh Samui to Bangkok

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

Cheapest Price	£18
Fastest Coach	13h 0m
Earliest Coach	15:00
Last Coach	16:00
Daily Connections	2 Ø
Found on	16/06/2026

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

Ferry Port

Marine Passion

Bus Terminal

Ang Thong, Ko Samui District

Bus Stop

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 £15 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 8 companies with ticket prices ranging from £15 to £44. 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 20 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 Sapthaweephol Tour and Travel and takes 13h 0m. Coach tickets for this connection cost £18. 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 13:00. 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 16:00. 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, Montanatip Tour and Travel 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, Montanatip Tour and Travel 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.

How does CheckMyBus find the best bus deals from Koh Samui to Bangkok?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 20 daily trips between Koh Samui and Bangkok. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from Koh Samui to Bangkok?

Prices and availability for 20 trips between Koh Samui and Bangkok change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

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

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.

First Class

Best of the best: you will find the most comfortable accommodation to work or relax during your travel.

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!