How do I get from Bangkok to Koh Samui by train?

We have various options available for trips from Bangkok to Koh Samui. There are combo tickets with train+ferry and transfers included in the trip. Please fill in the stations on top of the page, choose the desired date and click on "Find tickets".

Tags: Thailand, Thai Railways

Thai Railways

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I don't have a booking number. I have not purchased a ticket yet.