Bus Koh Samui to Bangkok: Compare prices and save money

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

$19

Sunday

$19

Monday

$19

Tuesday

$23

Wednesday

$37

Thursday

Cheapest bus trips tomorrow
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Future Travel and Service	15h 0m	3:00 PM	Koh Samui	Ferry Port	6:00 AM	Bangkok	City Library	Basic	$19	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 12/6/2025 3:00:00 PM to City Library, Bangkok (Thailand) arriving at 12/7/2025 6:00:00 AM. 50 Basic ticket for $19 per person are available. Travel duration is 15h 0m
Montanatip Tour and Travel	14h 0m	3:00 PM	Koh Samui	Na Thon	5:00 AM	Bangkok	City Library	Economy	$20	A Bus from Montanatip Tour and Travel goes from Na Thon, Koh Samui (Thailand) at 12/6/2025 3:00:00 PM to City Library, Bangkok (Thailand) arriving at 12/7/2025 5:00:00 AM. 50 Economy ticket for $20 per person are available. Travel duration is 14h 0m
Krung Siam Tour	15h 30m	2:00 PM	Koh Samui	Na Thon	5:30 AM	Bangkok	Southern Bus Terminal	Economy	$32	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 12/6/2025 2:00:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/7/2025 5:30:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 15h 30m
Nara Travel	19h 30m	1:30 PM	Koh Samui	Ko Samui - Lamai South	9:00 AM	Bangkok	Khao San Travel Mart	Economy	$35	A Bus from Nara Travel goes from Ko Samui - Lamai South, Koh Samui (Thailand) at 12/6/2025 1:30:00 PM to Khao San Travel Mart, Bangkok (Thailand) arriving at 12/7/2025 9:00:00 AM. 50 Economy ticket for $35 per person are available. Travel duration is 19h 30m
Trans Baan Ton	14h 0m	3:30 PM	Koh Samui	Bus Stop	5:30 AM	Bangkok	Southern Bus Terminal	Economy	$37	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 12/6/2025 3:30:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/7/2025 5:30:00 AM. 50 Economy ticket for $37 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	3:00 PM	Koh Samui	Ferry Port	6:00 AM	Bangkok	City Library	Basic	$19	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 12/7/2025 3:00:00 PM to City Library, Bangkok (Thailand) arriving at 12/8/2025 6:00:00 AM. 50 Basic ticket for $19 per person are available. Travel duration is 15h 0m
Montanatip Tour and Travel	14h 0m	3:00 PM	Koh Samui	Na Thon	5:00 AM	Bangkok	City Library	Economy	$20	A Bus from Montanatip Tour and Travel goes from Na Thon, Koh Samui (Thailand) at 12/7/2025 3:00:00 PM to City Library, Bangkok (Thailand) arriving at 12/8/2025 5:00:00 AM. 50 Economy ticket for $20 per person are available. Travel duration is 14h 0m
Krung Siam Tour	15h 30m	2:00 PM	Koh Samui	Na Thon	5:30 AM	Bangkok	Southern Bus Terminal	Business	$33	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 12/7/2025 2:00:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/8/2025 5:30:00 AM. 50 Business ticket for $33 per person are available. Travel duration is 15h 30m
Nara Travel	19h 30m	1:30 PM	Koh Samui	Ko Samui - Lamai South	9:00 AM	Bangkok	Khao San Travel Mart	Economy	$35	A Bus from Nara Travel goes from Ko Samui - Lamai South, Koh Samui (Thailand) at 12/7/2025 1:30:00 PM to Khao San Travel Mart, Bangkok (Thailand) arriving at 12/8/2025 9:00:00 AM. 50 Economy ticket for $35 per person are available. Travel duration is 19h 30m
Trans Baan Ton	14h 0m	3:30 PM	Koh Samui	Bus Stop	5:30 AM	Bangkok	Southern Bus Terminal	Economy	$37	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 12/7/2025 3:30:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/8/2025 5:30:00 AM. 50 Economy ticket for $37 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	3:00 PM	Koh Samui	Ferry Port	6:00 AM	Bangkok	City Library	Basic	$19	A Bus from Future Travel and Service goes from Ferry Port, Koh Samui (Thailand) at 12/8/2025 3:00:00 PM to City Library, Bangkok (Thailand) arriving at 12/9/2025 6:00:00 AM. 50 Basic ticket for $19 per person are available. Travel duration is 15h 0m
Montanatip Tour and Travel	14h 0m	3:00 PM	Koh Samui	Na Thon	5:00 AM	Bangkok	City Library	Economy	$20	A Bus from Montanatip Tour and Travel goes from Na Thon, Koh Samui (Thailand) at 12/8/2025 3:00:00 PM to City Library, Bangkok (Thailand) arriving at 12/9/2025 5:00:00 AM. 50 Economy ticket for $20 per person are available. Travel duration is 14h 0m
Krung Siam Tour	15h 30m	2:00 PM	Koh Samui	Na Thon	5:30 AM	Bangkok	Southern Bus Terminal	Economy	$32	A Bus from Krung Siam Tour goes from Na Thon, Koh Samui (Thailand) at 12/8/2025 2:00:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/9/2025 5:30:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 15h 30m
Nara Travel	19h 30m	1:30 PM	Koh Samui	Ko Samui - Lamai South	9:00 AM	Bangkok	Khao San Travel Mart	Economy	$35	A Bus from Nara Travel goes from Ko Samui - Lamai South, Koh Samui (Thailand) at 12/8/2025 1:30:00 PM to Khao San Travel Mart, Bangkok (Thailand) arriving at 12/9/2025 9:00:00 AM. 50 Economy ticket for $35 per person are available. Travel duration is 19h 30m
Raja Ferry	17h 0m	1:00 PM	Koh Samui	Nantra Chaweng Hotel	6:00 AM	Bangkok	Khao San Travel Mart	Economy	$40	A Bus from Raja Ferry goes from Nantra Chaweng Hotel, Koh Samui (Thailand) at 12/8/2025 1:00:00 PM to Khao San Travel Mart, Bangkok (Thailand) arriving at 12/9/2025 6:00:00 AM. 50 Economy ticket for $40 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		3:30 PM	Koh Samui	Bus Stop	12:00 AM	Bangkok	Southern Bus Terminal	Economy	$23	A Bus from Sombat goes from Bus Stop, Koh Samui (Thailand) at 12/9/2025 3:30:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 1/1/0001 12:00:00 AM. 50 Economy ticket for $23 per person are available. Travel duration is 0h 0m
Sombat		4:30 PM	Koh Samui	Bus Stop	12:00 AM	Bangkok	Southern Bus Terminal	Economy	$23	A Bus from Sombat goes from Bus Stop, Koh Samui (Thailand) at 12/9/2025 4:30:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 1/1/0001 12:00:00 AM. 50 Economy ticket for $23 per person are available. Travel duration is 0h 0m
Trans Baan Ton	14h 0m	3:30 PM	Koh Samui	Bus Stop	5:30 AM	Bangkok	Southern Bus Terminal	Economy	$37	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 12/9/2025 3:30:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/10/2025 5:30:00 AM. 50 Economy ticket for $37 per person are available. Travel duration is 14h 0m
Trans Baan Ton	14h 0m	4:30 PM	Koh Samui	Bus Stop	6:30 AM	Bangkok	Southern Bus Terminal	Economy	$50	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 12/9/2025 4:30:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/10/2025 6:30:00 AM. 50 Economy ticket for $50 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	3:30 PM	Koh Samui	Bus Stop	5:30 AM	Bangkok	Southern Bus Terminal		Economy	$37	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 12/10/2025 3:30:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/11/2025 5:30:00 AM. 50 Economy ticket for $37 per person are available. Travel duration is 14h 0m
	Trans Baan Ton	14h 0m	4:30 PM	Koh Samui	Bus Stop	6:30 AM	Bangkok	Southern Bus Terminal		Economy	$50	A Bus from Trans Baan Ton goes from Bus Stop, Koh Samui (Thailand) at 12/10/2025 4:30:00 PM to Southern Bus Terminal, Bangkok (Thailand) arriving at 12/11/2025 6:30:00 AM. 50 Economy ticket for $50 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 $9? You can find the corresponding connections below.
- Bookaway
  
  19h 10m
  
  0
  
  2:00 PM
  
  Koh Samui
  Ferry Port
  
  6:00 PM
  
  Surat Thani
  Raja Ferry Port Ticket Counter
  
  0
  
  Economy
  
  $11
  
  A Bus from Bookaway goes from Ferry Port, Koh Samui (Thailand) at 12/11/2025 2:00:00 PM to Raja Ferry Port Ticket Counter, Surat Thani (Thailand) arriving at 12/11/2025 6:00:00 PM. 50 Economy ticket for $11 per person are available. Travel duration is 4h 0m
- Easybook
  
  14h 10m
  
  0
  
  7:00 PM
  
  Surat Thani
  Bus Terminal
  
  9:10 AM
  
  Bangkok
  Mo Chit Bus Terminal
  
  0
  
  Economy
  
  $18
  
  A Bus from Easybook goes from Bus Terminal, Surat Thani (Thailand) at 12/11/2025 7:00:00 PM to Mo Chit Bus Terminal, Bangkok (Thailand) arriving at 12/12/2025 9:10:00 AM. 50 Economy ticket for $18 per person are available. Travel duration is 14h 10m
Travel time is 5h 10m longer, but you will save $9

Best Price Offer: The price for the cheapest bus from Koh Samui to Bangkok is $19 on 12/2/2025. Flexible travelers 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 buses 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 73 buses from Koh Samui to Bangkok, while Morning sees the fewest connections between Koh Samui and Bangkok, with 2 offers.

Facts about the bus from Koh Samui to Bangkok

Compare all providers like Krung Siam Tour, Trans Baan Ton and Raja Ferry that travel 15 times every day by bus from Koh Samui to Bangkok in one click! Book your bus ticket from Koh Samui to Bangkok starting from $19!

Cheapest Bus	$19
Fastest Bus	14h 0m
Earliest Bus	11:45 AM
Latest Bus	4:30 PM
Daily Bus Routes	15 Ø
Distance	293.4 miles
Bus Companies	Krung Siam Tour, Trans Baan Ton, Raja Ferry, Montanatip Tour and Travel, Nara Travel, Jarinthon Tour, Future Travel and Service, Sapthaweephol Tour and Travel and Sombat

Cheapest bus connections from Koh Samui to Bangkok

Every day, 15 buses from 9 bus 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 12/05/2025 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 11/30

Monday 12/01

Tuesday 12/02

Wednesday 12/03

Thursday 12/04

Friday 12/05

$19

Saturday 12/06

$19

Sunday 12/07

$19

Monday 12/08

$19

Tuesday 12/09

$19

Wednesday 12/10

$19

Thursday 12/11

$19

Friday 12/12

$19

Saturday 12/13

$19

Sunday 12/14

$19

Monday 12/15

$19

Tuesday 12/16

$19

Wednesday 12/17

$19

Thursday 12/18

$19

Friday 12/19

$19

Saturday 12/20

$19

Sunday 12/21

$19

Monday 12/22

$19

Tuesday 12/23

$19

Wednesday 12/24

$19

Thursday 12/25

$19

Friday 12/26

$19

Saturday 12/27

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 $19, Saturday is the cheapest day for a bus from Koh Samui to Bangkok. Tuesday instead is the most expensive day with prices starting from $19.

Afternoon is the cheapest day time for bus tickets from Koh Samui to Bangkok, with $19. Morning is the most expensive time of the day with prices starting from $50.

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 buses 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	$19
Fastest Bus	15h 0m
Earliest Bus	3:00 PM
Last Bus	3:00 PM
Daily Connections	1 Ø
Found on	11/23/2025

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	$22
Fastest Bus	15h 0m
Earliest Bus	3:00 PM
Last Bus	3:00 PM
Daily Connections	2 Ø
Found on	11/23/2025

All bus stations and stops in Koh Samui and Bangkok

In the map below, you can see where to find all bus stations in Koh Samui and Bangkok.

Na Thon

Ferry Port

Marine Passion

Big Buddha Pier

Chaweng Beach

Ekkamai Bus Terminal

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 buses 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 bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $19 and takes 15h 0m to reach Bangkok. Compare offers to save money!

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

This route is offered by 9 companies with a range of ticket prices between $19 and $51. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Bangkok.

On average, how many connections are available from Koh Samui to Bangkok each day?

Every day, the Koh Samui to Bangkok bus route is served by approximately 15 connections. With our search, you can compare bus times to find the perfect trip.

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

The fastest bus from Koh Samui to Bangkok is offered by Montanatip Tour and Travel and takes 14h 0m. Bus tickets for this connection cost $20. In this context, bear in mind that the journey can take longer due to traffic.

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

The earliest bus arriving in Bangkok from Koh Samui starts at 11:45 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

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

The latest bus trip departing from Koh Samui for Bangkok starts at 4:30 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Koh Samui Bangkok route?

When traveling by bus from Koh Samui to Bangkok, passengers can travel with Krung Siam Tour, Trans Baan Ton and Raja Ferry. With our search, you can compare all available bus tickets to book the one that works 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 Koh Samui to Bangkok bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Koh Samui Bangkok bus route free of charge. Simply use our search to find a bus 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 traveling 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!