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Bangkok to Koh Samui Train

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10/03/2026
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Bangkok to Koh Samui by train

The journey from Bangkok to Koh Samui by train is 476.36 km and takes 16 hrs 15 mins. There are 1 connections per day, with the first departure at 7:30 pm and the last at 7:30 pm. It is possible to travel from Bangkok to Koh Samui by train for as little as RM 122.92 or as much as RM 249.65. The best price for this journey is RM 122.92.

Lowest Price RM 122.92
Journey Duration 16 hrs 15 mins
Connection per Day 1
Lowest Price RM 122.92
Highest Price RM 249.65
First Departure 7:30 pm
Last Departure 7:30 pm
Distance 476.36 km
Departure Bangkok
Arrival Koh Samui
Carriers Thai Railways

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Best time to book cheap train tickets from Bangkok to Koh Samui

The cheapest Bangkok - Koh Samui train tickets can be found for as low as RM 24.46 if you’re lucky, or RM 28.64 on average. The most expensive ticket can cost as much as RM 40.28.

Find the best day to travel to Koh Samui by train

When travelling to Koh Samui by train, if you want to avoid crowds you can check how frequently our customers are travelling in the next 30-days using the graph below. On average, the peak hours to travel are between 6:30am and 9am in the morning, or between 4pm and 7pm in the evening. Please keep this in mind when travelling to your point of departure as you may need some extra time to arrive, particularly in big cities!

Services on board Thai Railways from Bangkok to Koh Samui
Compare services on board when travelling from Bangkok to Koh Samui by train.
Facilities Thai Railways
luggage Luggage check
accessibility Accessibility check
food_and_drink Food and drink check
air_con Air conditioning check
bicycle Bicycle check

Bangkok to Koh Samui CO2 Emissions by Train

Ecology
Train
33.35kg
Bus
35.73kg
Flight
95.27kg
Car
76.22kg
What are the CO2 emissions from Bangkok to Koh Samui by train? The CO2 emissions from taking the train between Bangkok and Koh Samui are 33.35kg.
How much CO2 do I save by taking the train between Bangkok and Koh Samui? By taking the train between Bangkok and Koh Samui you will save 61.92kg CO2 emissions compared to a flight, 2.38kg compared to a bus and 42.87kg compared to a car.

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Frequently Asked Questions

How much is a train ticket from Bangkok to Koh Samui?
A train ticket from Bangkok to Koh Samui is RM 217.28. However the price varies depending on how early you buy, and if it's peak time to travel. Occasionally you can find them for as cheap as RM 122.92.
What's the cheapest train ticket from Bangkok to Koh Samui?
The cheapest ticket you can get from Bangkok to Koh Samui is RM 122.92. We recommend booking as early as possible and off-peak hours to get the cheapest ticket possible. Off-peak times are usually from 09:30 to 16:00, and after 19:00.
What's the distance between Bangkok and Koh Samui by train?
Bangkok to Koh Samui is 476.36 km.
How long does the train between Bangkok and Koh Samui take?
Bangkok to Koh Samui is on average 16 hrs 15 mins. However the fastest option will get you there in 16 hrs 15 mins.
How many train connections per day go from Bangkok to Koh Samui?
Bangkok to Koh Samui has 1 connection(s) per day on average.
What time does the first train from Bangkok to Koh Samui leave?
The earliest train from Bangkok to Koh Samui departs at 7:30 pm. However be sure to check with us the schedule on the day you want to leave as the time may differ.
What time does the last train from Bangkok to Koh Samui depart?
The latest train from Bangkok to Koh Samui departs at 7:30 pm. However be sure to check with us the schedule on the day you want to leave as the time may differ.
Should I book my ticket from Bangkok to Koh Samui in advance?
If you can, we recommend booking your ticket as early as possible to ensure you get better savings. The cheapest train ticket we have found is RM 122.92 but this may be subject to change depending on the day of travel, hour you wish to depart and how far in advance you book.
How many direct connections depart from Bangkok to Koh Samui?
There are on average 1 direct connection(s) from Bangkok to go to Koh Samui.
What's the fastest journey time between Bangkok to Koh Samui by train?
The fastest journey time by train between Bangkok and Koh Samui is 16 hrs 15 mins.
Is there a direct train from Bangkok to Koh Samui?
Yes, there is a direct train between Bangkok and Koh Samui.
What are the CO2 emissions for Bangkok to Koh Samui by train?
The train journey from Bangkok to Koh Samui creates 33.35kg of CO2 emissions.

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