Rome2Rio

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

Find Transport to Phnom Penh

See all options

There are 10 ways to get from Koh Samui Airport (USM) to Phnom Penh 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 to Krong Ta Khmau, bus

    best
    1. Fly from Koh Samui Airport (USM) to Krong Ta Khmau (KTI)planeUSM - KTI
    2. Take the bus from Techo International Airport to Canadia Gardenbus
    6h 15m
    $182–259

  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 to Phnom Penh Virak Buntham Expressbus
    27h 33m
    $87–106

  3. Ferry, bus via Bangkok

    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 Khao San officeferry
    4. Take the bus from Bangkok to Phnom Penh Virak Buntham Expressbus
    27h 50m
    $94–120

  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 Koh Chang Town Transferferry
    4. Take the ferry from Koh Chang Town Transfer to Siem Reap Transferferry
    5. Take the bus from Siem Reap Virak Buntham Express to Phnom Penhbus
    2d 3h
    $137–187

  5. Fly to Tan Son Nhat International Airport, bus

    1. Fly from Koh Samui Airport (USM) to Tan Son Nhat International Airport (SGN)planeUSM - SGN
    2. Take the bus from Ho Chi Minh to Phnom Penhbus
    11h 2m
    $197–305

  6. Fly to Siem Reap, bus

    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
    3. Take the bus from Siem Reap Virak Buntham Express to Phnom Penhbus
    11h 57m
    $225–373

  7. Fly to Sihanoukville, Van

    1. Fly from Koh Samui Airport (USM) to Sihanoukville (KOS)planeUSM - KOS
    2. Take the bus from Sihanoukville Virak Buntham Express to Phnom Penh Virak Buntham Expressbus
    6h 45m
    $311–440

  8. Ferry, bus and ferry, train, bus

    1. Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pierferry
    2. Take the busferry from Koh Phangan Thong Sala Pier to Tapee Pierbusferry
    3. Take the train from Tha Chang to Krung Thep Aphiwat Central Terminaltrain168
    4. Take the bus from Bangkok Mochit Bus Terminal to Phnom Penhbus
    30h 1m

  9. 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 Bangkok Khao San Road to Phnom Penhbus
    32h 57m
    $87–103

  10. 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 Phnom Penhcar
    21h 17m
    $181–273

Koh Samui Airport (USM) to Phnom Penh by ferry, foot, and bus

Calendar7Weekly Services
Duration2d 3hAverage Duration
Ticket$137Cheapest Price
See schedules

Questions & Answers

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

There is no direct connection from Koh Samui Airport (USM) to Phnom Penh. However, you can fly to Krong Ta Khmau (KTI), walk to Techo International Airport, then take the bus to Canadia Garden. Alternatively, you can take a ferry from Koh Samui Airport to Phnom Penh Virak Buntham Express via Koh Phangan Thong Sala Pier, Koh Phangan Lomprayah, Khao San Lomprayah, Kong Salak, Ratchathewi District Office, and Bangkok in around 27h 33m.

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 Travelling to the UK: What do I need to know?, Bali: What to do if Mount Agung erupts, and How to get from London City Airport into central London - to help you get the most out of your next trip.

Where to next?

Trips from Koh Samui Airport (USM)

Trips to Phnom Penh

Popular routes