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

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There are 7 ways to get from Koh Samui Airport (USM) to Siem Reap by plane, bus, ferry, busferry, train, car ferry, or car

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)planeUSM - SAI
    2. Take the bus from Siem Reap Airport to Siem Reap Townbus
    5h 15m

  2. Ferry, bus and ferry, bus via Bangkok

    cheapest
    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry
    2. Take the busferry from Koh Phangan Lomprayah to Khao San Lomprayahbusferry
    3. Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus
    23h 9m
    $73–157

  3. Ferry, train, bus

    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry
    2. Take the ferry from Koh Phangan to Chumphonferry
    3. Take the train from Chumphon to Krung Thep Aphiwat Central Terminaltrain
    4. Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus
    23h 15m
    $79–207

  4. Ferry, bus

    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry
    2. Take the ferry from Koh Phangan to Koh Tao Mae Had Pierferry
    3. Take the ferry from Koh Tao Boonsiri Pier to Boonsiri Office Kraisiferry
    4. Take the bus from Bangkok Mochit Bus Terminal to Siem Reapbus
    24h 11m
    $85–172

  5. Ferry, bus and ferry, bus

    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry
    2. Take the busferry from Thong Sala Pier, Koh Phangan to Bangkok Khao San Roadbusferry
    3. Take the bus from Khaosan Road Travel Mart to Siem Reapbus
    39h 50m
    $76–86

  6. Ferry

    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry
    2. Take the ferry from Koh Phangan to Koh Tao Mae Had Pierferry
    3. Take the ferry from Koh Tao Boonsiri Pier to Koh Chang Ao Sapparot Pierferry
    4. Take the ferry from Koh Chang Ao Sapparot Pier to Siem Reap Sakorsiriferry
    42h 45m
    $155–158

  7. Car ferry, drive

    1. Take the car ferry from Lipa Noi Pier to Raja Ferry Donsak Piercarferry
    2. Drive from Raja Ferry Donsak Pier to Siem Reapcar
    17h 41m
    $158–230

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

Calendar7Weekly Services
Duration39h 50mAverage Duration
Ticket$76Cheapest Price
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Questions & Answers

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

You can take a ferry from Koh Samui Airport to Siem Reap Sakorsiri via Koh Phangan, Koh Tao Mae Had Pier, Koh Tao Boonsiri Pier, and Koh Chang Ao Sapparot Pier in around 42h 45m.

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Trips from Koh Samui Airport (USM)

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