Rome2Rio

How to get fromKoh Samui Airport (USM) to Siem Reapby plane, bus, ferry, train, or busferry

Find Transport to Siem Reap

See all options

There are 6 ways to get from Koh Samui Airport (USM) to Siem Reap by plane, bus, ferry, train, or busferry

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly, bus

    best
    1. Fly from Koh Samui Airport (USM) to Siem Reap (SAI)plane plane USM - SAI
    2. Take the bus from Siem Reap Airport to Siem Reap Townbus bus
    5h 20m
    $235–391

  2. Ferry, train, bus

    cheapest
    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry ferry
    2. Take the ferry from Thong Sala Koh Phangan to Chumphon Train Stationferry ferry
    3. Take the train from Chumphon to Krung Thep Aphiwat Central Terminaltrain train
    4. Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus bus
    22h 30m
    $30–157

  3. Ferry, bus via Bangkok

    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry ferry
    2. Take the ferry from Thong Sala Koh Phangan to Boonsiri Khao San officeferry ferry
    3. Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus bus
    22h 44m
    $49–173

  4. Bus

    1. Take the bus from Samui Airport to Thong Sala Koh Phanganbus bus
    2. Take the bus from Thong Sala Koh Phangan to Boonsiri Khao San officebus bus
    3. Take the bus from Bangkok Giant Ibis to Siem Reap Giant Ibisbus bus
    23h 15m
    $87–107

  5. Ferry, bus

    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry ferry
    2. Take the ferry from Thong Sala Koh Phangan to Boonsiri Khao San officeferry ferry
    3. Take the bus from Khaosan Road Travel Mart to Siem Reapbus bus
    36h 26m
    $66–105

  6. Ferry, bus and ferry, bus

    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry ferry
    2. Take the busferry from Thong Sala Pier, Koh Phangan to Bangkok Khao San Roadbusferry bus ferry
    3. Take the bus from Khaosan Road Travel Mart to Siem Reapbus bus
    39h 35m
    $66–125

Koh Samui Airport (USM) to Siem Reap by ferry, foot, and bus

Calendar7Weekly Services
Duration36h 26mAverage Duration
Ticket$66Cheapest Price
See schedules

Questions & Answers

Map of how to get from Koh Samui Airport (USM) to Siem Reap.ExpandLaunch map view
  • Distance: 666.7 km
  • Duration: 5h 20m

What companies run services between Koh Samui Airport (USM), Thailand and Siem Reap, Cambodia?

You can take a bus from Samui Airport to Siem Reap Giant Ibis via Thong Sala Koh Phangan, Boonsiri Khao San office, and Bangkok Giant Ibis in around 23h 15m.

Airlines
Train operators
Bus operators
Ferry operators

Want to know more about travelling around the world?

Rome2Rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including How to plan an amazing trip around Scandinavia, Need to know: Jadrolinija, and Want to know more about Flixbus? - to help you get the most out of your next trip.