There are 6 ways to get from Siem Reap to Ko Samui by plane, bus, train, ferry or bus and ferry

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2rio's travel planner.

Recommended option

Fly  •  3 h 53 min

  1. Fly from Siem Reap (REP) to Koh Samui (USM) REP - USM

$252 - $739

Cheapest option

Bus, Minivan, busferry  •  27 h 6 min

  1. Take the bus from Siem Reap Virak Buntham Express to Poipet
  2. Take the Minivan from Poipet to Rayong
  3. Take the busferry from Rayong to Koh Samui - Nathon

$42 - $61

4 alternative options

Bus, train, ferry  •  20 h 17 min

  1. Take the bus from Siem Reap to Bangkok Mochit Bus Terminal
  2. Take the train from Bang Sue to Suratthani Train Station
  3. Take the ferry from Lomprayah Tapee River Surat Thani City to Koh Samui Nathon Pier

$42 - $96

Bus, bus and ferry Paradive Travel  •  21 h 23 min

  1. Take the bus from Siem Reap to Bangkok Mochit Bus Terminal
  2. Take the bus and ferry from Hua Lamphong station to Koh Samui Nathon Pier

$56 - $69

Bus, train, ferry via Aranyaprathet  •  24 h 2 min

  1. Take the bus from Siem Reap to Poipet
  2. Take the train from Aranyaprathet to Hua Lamphong
  3. Take the train from Hua Lamphong to Suratthani Train Station
  4. Take the ferry from Lomprayah Tapee River Surat Thani City to Koh Samui Nathon Pier

$46 - $113

Bus, bus and ferry Songserm  •  26 h 20 min

  1. Take the bus from Siem Reap to Khaosan Road Travel Mart
  2. Take the bus and ferry from Khaosan Road Songserm to Ko Samui

$54

Questions & Answers

No, there is no direct bus from Siem Reap to Ko Samui. However, there are services departing from Siem Reap and arriving at Koh Samui Nathon Pier via Mochit 2 Bus Depot, Opposite Chatuchak Park and Hua Lamphong station. The journey, including transfers, takes approximately 21 h 23 min.

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The distance between Siem Reap and Ko Samui is 603 km.

The best way to get from Siem Reap to Ko Samui without a car is to bus and train and ferry which takes 20 h 17 min and costs .

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It takes approximately 3 h 53 min to get from Siem Reap to Ko Samui, including transfers.

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Siem Reap to Ko Samui bus services, operated by The Transport Company, depart from Siem Reap station.

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There is no direct flight from Siem Reap Airport to Koh Samui Airport. The quickest flight takes 3 h 20 min and has one stopover.

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Siem Reap to Ko Samui bus services, operated by Paradive Travel, arrive at Koh Samui Nathon Pier station.

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Thai AirAsia, Thai Smile, SilkAir and Bangkok Airways offer flights from Siem Reap Airport to Koh Samui Airport.

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There are 1915+ hotels available in Ko Samui. Prices start at $21 USD per night.

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The best way to get from Siem Reap to Siem Reap Airport is to taxi which takes 7 min and costs .

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Map of how to get from Siem Reap to Ko Samui.
Launch map view
  • Distance: 377 miles
  • Duration: 3 h 53 min

What companies run services between Siem Reap, Cambodia and Ko Samui, Thailand?

Bangkok Airways, Thai Smile and six other airlines fly from Siem Reap to Ko Samui hourly.

Airlines
Bangkok Airways
Website
bangkokair.com
Flights from Siem Reap to Koh Samui via Suvarnabhumi
Ave. Duration
3 h 43 min
When
Every day
Estimated price
$220 - $1,100
Flights from Siem Reap to Koh Samui via Phuket
Ave. Duration
3 h 50 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$120 - $330
SilkAir
Website
silkair.com
Flights from Siem Reap to Koh Samui via Singapore Changi
Ave. Duration
6 h 12 min
When
Every day
Estimated price
$410 - $2,900
Flights from Siem Reap to Koh Samui via Phuket
Ave. Duration
3 h 50 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$120 - $330
Train operators
State Railway of Thailand
Website
railway.co.th
Train from Bang Sue to Suratthani Train Station
Ave. Duration
8 h 18 min
Frequency
Hourly
Estimated price
$12 - $50
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$5 - $9
2nd Class (Seat)
$12 - $18
2nd Class (Berth)
$22 - $29
1st Class (Berth)
$35 - $50
Train from Aranyaprathet to Hua Lamphong
Ave. Duration
5 h 45 min
Frequency
Once daily
Estimated price
$9 - $35
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$3 - $7
2nd Class (Seat)
$9 - $14
2nd Class (Berth)
$18 - $25
1st Class (Berth)
$27 - $35
Train from Hua Lamphong to Suratthani Train Station
Ave. Duration
8 h 40 min
Frequency
Hourly
Estimated price
$12 - $50
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$6 - $9
2nd Class (Seat)
$12 - $18
2nd Class (Berth)
$22 - $29
1st Class (Berth)
$35 - $50
Bus operators
Paradive Travel
Website
paradivetravel.lnwshop.com
Bus and ferry from Hua Lamphong station to Koh Samui Nathon Pier
Ave. Duration
12 h 42 min
Frequency
Once daily
Estimated price
$44
Schedules at
paradivetravel.lnwshop.com
Book at
12go.asia
Capitol Tour Cambodia
Website
capitoltourscambodia.com
Bus from Siem Reap to Poipet
Ave. Duration
3 h
Frequency
Once daily
Estimated price
$5
Schedules at
capitoltourscambodia.com
Book at
bookmebus.com
Travel Mart
Website
12go.asia
Bus from Siem Reap to Khaosan Road Travel Mart
Ave. Duration
8 h
Frequency
Twice daily
Estimated price
$27
Schedules at
12go.asia
Songserm
Website
songserm.com
Bus and ferry from Khaosan Road Songserm to Ko Samui
Ave. Duration
17 h 20 min
Frequency
Twice daily
Estimated price
$27
Schedules at
songserm.com
Book at
12go.asia
Virak Buntham
Website
virakbuntham.com
Bus from Siem Reap Virak Buntham Express to Poipet
Ave. Duration
3 h
Frequency
Twice daily
Estimated price
$7
Schedules at
virakbuntham.com
Book at
bookmebus.com
Em Samang Express
Website
bookmebus.com
Bus from Poipet to Rayong
Ave. Duration
6 h
Frequency
Hourly
Estimated price
$14
Schedules at
bookmebus.com
Yellow Bus
Website
iloveyellowbus.com
Bus and ferry from Rayong to Koh Samui - Nathon
Ave. Duration
16 h 30 min
Frequency
Twice daily
Estimated price
$21 - $40
Schedules at
iloveyellowbus.com
Ferry operators

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