There are 5 ways to get from Sihanoukville to Koh Tao by bus, bus and ferry, plane 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

Bus, bus and ferry  •  23 h 28 min

  1. Catamaran

$74 - $77

Cheapest option

Bus, Minivan, bus and ferry  •  39 h 43 min

$63 - $66

3 alternative options

Fly Sihanoukville to Koh Samui, bus and ferry  •  9 h 13 min

  1. KOS - USM

$180 - $896

Minivan to Phnom Penh, fly to Koh Samui, bus and ferry  •  13 h 53 min

  1. PNH - USM

$296 - $639

Minivan to Phnom Penh, fly to Chumphon, ferry  •  20 h 27 min

  1. PNH - CJM

$173 - $336

What companies run services between Sihanoukville, Cambodia and Koh Tao, Surat Thani, Thailand?

There is no direct connection from Sihanoukville to Koh Tao. However, you can take the bus to Khaosan Road Travel Mart Office, take the walk to Lomprayah Bus Station Khao San, take the bus and ferry to Ko Tao, then take the taxi to Koh Tao. Alternatively, you can take a vehicle from Sihanoukville to Koh Tao via Trat, Trat Bus Station, Bangkok Bus Terminal Eakamai, Bangkok Planetarium, Bangkok Southern Bus Terminal, and Ko Tao in around 39 h 43 min.

Airlines
Bangkok Airways
Website
bangkokair.com
Flights from Sihanoukville to Koh Samui via Phnom Penh, Suvarnabhumi
Ave. Duration
7 h 10 min
When
Tuesday, Friday and Sunday
Estimated price
$290 - $1,100
Flights from Sihanoukville to Koh Samui via Siem Reap, Suvarnabhumi
Ave. Duration
7 h 45 min
When
Every day
Estimated price
$290 - $1,100
Flights from Sihanoukville to Koh Samui via Kuala Lumpur, Suvarnabhumi
Ave. Duration
7 h 55 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$250 - $1,200
Flights from Phnom Penh to Koh Samui via Suvarnabhumi
Ave. Duration
3 h 32 min
When
Every day
Estimated price
$290 - $850
Flights from Phnom Penh to Koh Samui via Suvarnabhumi, Phuket
Ave. Duration
6 h 10 min
When
Every day
Estimated price
$290 - $850
Thai Airways International
Website
thaiairways.com
Flights from Sihanoukville to Koh Samui via Siem Reap, Suvarnabhumi
Ave. Duration
7 h 45 min
When
Every day
Estimated price
$290 - $1,100
Flights from Sihanoukville to Koh Samui via Ho Chi Minh City, Suvarnabhumi
Ave. Duration
6 h 15 min
When
Wednesday, Friday and Sunday
Estimated price
$140 - $850
Flights from Sihanoukville to Koh Samui via Kuala Lumpur, Suvarnabhumi
Ave. Duration
7 h 55 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$250 - $1,200
Nok Air
Website
nokair.com
Flights from Phnom Penh to Chumphon via Don Muang
Ave. Duration
10 h 6 min
When
Every day
Estimated price
$80 - $350
Malaysia Airlines
Website
malaysiaairlines.com
Flights from Sihanoukville to Koh Samui via Kuala Lumpur, Suvarnabhumi
Ave. Duration
7 h 55 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$250 - $1,200
SilkAir
Website
silkair.com
Flights from Sihanoukville to Koh Samui via Siem Reap, Singapore
Ave. Duration
9 h
When
Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday
Estimated price
$380 - $1,300
Thai AirAsia
Website
airasia.com
Flights from Phnom Penh to Chumphon via Don Muang
Ave. Duration
10 h 5 min
When
Every day
Estimated price
$80 - $240
Bus operators
Virak Buntham
Website
virakbuntham.com
Bus from Sihanoukville Virak Buntham Express to Khaosan Road Travel Mart Office
Ave. Duration
12 h 30 min
Frequency
Twice daily
Estimated price
$28
Schedules at
virakbuntham.com
Book at
bookmebus.com
Bus from Sihanoukville Virak Buntham Express to Trat
Ave. Duration
12 h
Frequency
Once daily
Estimated price
$20
Schedules at
virakbuntham.com
Book at
bookmebus.com
Triple T
Website
12go.asia
Bus from Trat Bus Station to Bangkok Bus Terminal Eakamai
Ave. Duration
4 h 35 min
Frequency
Hourly
Estimated price
$11
Schedules at
busonlineticket.co.th
Book at
12go.asia
ChokeAnan Tour
Website
chokeanantour.com
Bus and ferry from Bangkok Southern Bus Terminal to Ko Tao
Ave. Duration
20 h
Frequency
5 times a day
Estimated price
$25
Schedules at
chokeanantour.com
Seatran Discovery
Website
seatrandiscovery.com
Bus and ferry from Koh Samui Airport to Ko Tao
Ave. Duration
2 h 30 min
Frequency
3 times a day
Estimated price
$19
Schedules at
seatrandiscovery.com
Book at
12go.asia
CTT Transports
Website
ctt-express.com
Bus from Sihanoukville CTT Transports to Phnom Penh CTT Transports
Ave. Duration
4 h
Frequency
Hourly
Estimated price
$10
Schedules at
bookmebus.com
Ferry operators

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Questions & Answers

The distance between Sihanoukville and Koh Tao is 408 km.

The cheapest way to get from Sihanoukville to Koh Tao is to bus and Minivan and bus and ferry which costs $63 - $66 and takes 39 h 43 min.

The quickest way to get from Sihanoukville to Koh Tao is to fly and bus and ferry which takes 9 h 13 min and costs $180 - $900.

It takes approximately 23 h 28 min to get from Sihanoukville to Koh Tao, including transfers.