There are 6 ways to get from Siem Reap to Ko Samui by plane, bus, bus and ferry, train or 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, train, bus and ferry  •  22 h 41 min

  1. Take the bus from Siem Reap to Aranyaprathet
  2. Take the train from Aranyaprathet to Hua Lamphong
  3. Take the train from Hua Lamphong to Suratthani Train Station
  4. Take the bus and ferry from Surat Thani to Koh Samui - Nathon

$34 - $101

4 alternative options

Bus The Transport Company, bus and ferry  •  19 h 48 min

  1. Take the bus from Siem Reap to Bangkok Mochit Bus Terminal
  2. Take the bus from Bangkok Mochit Bus Terminal to Surat Thani
  3. Take the bus and ferry from Surat Thani to Koh Samui - Nathon

$34 - $56

Bus, train, ferry  •  20 h 23 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

$43 - $97

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

$53

Bus, Minivan, bus and ferry  •  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 bus and ferry from Rayong to Koh Samui - Nathon

$42 - $61

Questions & Answers

The cheapest way to get from Siem Reap to Ko Samui is to bus and bus and ferry which costs $53 and takes 26 h 20 min.

More details

The quickest way to get from Siem Reap to Ko Samui is to fly which takes 3 h 53 min and costs $250 - $750.

More details

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

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

More details

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 via Bangkok Mochit Bus Terminal and Surat Thani. The journey, including transfers, takes approximately 19 h 48 min.

More details

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

Bangkok Airways, Thai Smile and five 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 Suvarnabhumi, Phuket
Ave. Duration
7 h 10 min
When
Every day
Estimated price
$220 - $1,100
SilkAir
Website
silkair.com
Flights from Siem Reap to Koh Samui via Singapore
Ave. Duration
6 h 12 min
When
Every day
Estimated price
$410 - $2,900
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
Every 4 hours
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 - $13
2nd Class (Berth)
$18 - $25
1st Class (Berth)
$26 - $35
Train from Hua Lamphong to Suratthani Train Station
Ave. Duration
8 h 40 min
Frequency
4 times a day
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
The Transport Company
Website
home.transport.co.th
Bus from Siem Reap to Bangkok Mochit Bus Terminal
Ave. Duration
7 h
Frequency
Twice daily
Estimated price
$10 - $23
Schedules at
home.transport.co.th
Bus from Bangkok Mochit Bus Terminal to Surat Thani
Ave. Duration
10 h
Frequency
Every 15 minutes
Estimated price
$16 - $23
Schedules at
home.transport.co.th
Bus from Siem Reap to Aranyaprathet
Ave. Duration
2 h 55 min
Frequency
Twice daily
Estimated price
$3 - $6
Schedules at
home.transport.co.th
Yellow Bus
Website
iloveyellowbus.com
Bus and ferry from Surat Thani to Koh Samui - Nathon
Ave. Duration
1 h 30 min
Frequency
Twice daily
Estimated price
$8 - $10
Schedules at
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
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
$26
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
Ferry operators

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