There are 6 ways to get from Ko Samui to Preah Sihanouk by plane, busferry, bus, car ferry, 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.
Fly to Sihanoukville
best- Fly from Koh Samui Airport (USM) to Sihanoukville (KOS)plane USM - KOS
9h 55m$361–599Bus and ferry, bus, Van
cheapest- Take the busferry from Koh Samui Nathon Pier to Bangkok Sai Tai Mai Terminalbusferry
- Take the bus from Bangkok to Phnom Penh Virak Buntham Expressbus
- Take the bus from Phnom Penh Virak Buntham Express to Sihanoukville Virak Buntham Expressbus
30h 6m$66–69Fly to Phnom Penh, Van
- Fly from Koh Samui Airport (USM) to Phnom Penh (KTI)plane USM - KTI
- Take the bus from Phnom Penh Virak Buntham Express to Sihanoukville Virak Buntham Expressbus
10h 26m$215–500Fly to Phu Quoc International Airport, car ferry, bus
- Fly from Koh Samui Airport (USM) to Phu Quoc International Airport (PQC)plane USM - PQC
- Take the car ferry from Phu Quoc to Ha Tiencarferry
- Take the bus from Bien Ha Tien Travel Office to Sihanouk Ville Cambodiabus
10h 47m$277–510Ferry, bus, Van
- Take the ferry from Koh Samui Transfer to Boonsiri Khao San officeferry
- Take the bus from Bangkok to Phnom Penh Virak Buntham Expressbus
- Take the bus from Phnom Penh Virak Buntham Express to Sihanoukville Virak Buntham Expressbus
31h 4m$80–94Bus and ferry, bus
- Take the busferry from Lipa Noi Pier to Bangkok Rajah Ferry Khao Sanbusferry
- Take the bus from Bangkok Khao San Road to Phnom Penhbus
- Take the bus from Phnom Penh to Sihanoukville Bus Terminalbus
34h 42m$88
Ko Samui to Preah Sihanouk by busferry, foot, and bus
Questions & Answers
The cheapest way to get from Ko Samui to Preah Sihanouk is to bus and ferry and bus and Van which costs $66 - $70 and takes 30h 6m.
The fastest way to get from Ko Samui to Preah Sihanouk is to fly which takes 9h 55m and costs $360 - $600.
No, there is no direct bus from Ko Samui to Preah Sihanouk. However, there are services departing from Koh Samui Nathon Pier and arriving at Sihanoukville Virak Buntham Express via Southern Bus Terminal Bangkok, Bangkok and Phnom Penh Virak Buntham Express. The journey, including transfers, takes approximately 30h 6m.
The distance between Ko Samui and Preah Sihanouk is 449 km.
The best way to get from Ko Samui to Preah Sihanouk without a car is to bus and ferry and bus and Van which takes 30h 6m and costs $66 - $70.
It takes approximately 9h 55m to get from Ko Samui to Preah Sihanouk, including transfers.
Ko Samui to Preah Sihanouk bus services, operated by Sombat Tour, depart from Koh Samui Nathon Pier station.
Ko Samui to Preah Sihanouk bus services, operated by Sombat Tour, arrive at Bangkok Sai Tai Mai Terminal station.
There are 108+ hotels available in Preah Sihanouk.
What companies run services between Ko Samui, Thailand and Preah Sihanouk, Cambodia?
Bangkok Airways, Cambodia Airways, and six other airlines fly from Koh Samui Airport (USM) to Sihanoukville (KOS) twice daily.
- Website
- cambodia-airways.com
Flights from Koh Samui Airport to Sihanoukville via Suvarnabhumi, Phnom Penh
- Ave. Duration
- 16h 45m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- $200–1,100
Flights from Koh Samui Airport to Sihanoukville via Singapore Changi, Phnom Penh
- Ave. Duration
- 18h 55m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- $310–1,800
Flights from Koh Samui Airport to Phnom Penh via Suvarnabhumi
- Ave. Duration
- 3h 37m
- When
- Monday, Tuesday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- $85–550
- Website
- singaporeair.com
Flights from Koh Samui Airport to Phnom Penh via Singapore Changi
- Ave. Duration
- 4h 57m
- When
- Every day
- Estimated price
- $190–1,100
Flights from Koh Samui Airport to Phu Quoc International Airport via Singapore Changi
- Ave. Duration
- 5h 15m
- When
- Every day
- Estimated price
- $210–450
- Website
- vietjetair.com
Flights from Koh Samui Airport to Phu Quoc International Airport via Suvarnabhumi
- Ave. Duration
- 3h 41m
- When
- Every day
- Estimated price
- $260–360
- Website
- turkishairlines.com
Flights from Koh Samui Airport to Phnom Penh via Suvarnabhumi
- Ave. Duration
- 5h 17m
- When
- Monday, Thursday, and Saturday
- Estimated price
- $210–800
- Website
- katmaiair.com
Flights from Koh Samui Airport to Sihanoukville via Singapore Changi, Kuala Lumpur
- Ave. Duration
- 16h
- When
- Monday, Wednesday, and Friday
- Estimated price
- $330–600
- Website
- cambodiaangkorair.com
Flights from Koh Samui Airport to Sihanoukville via Don Muang, Siem Reap
- Ave. Duration
- 9h 15m
- When
- Monday and Thursday
- Estimated price
- $430–1,100
- Website
- bangkokair.com
Flights from Koh Samui Airport to Phnom Penh via Suvarnabhumi
- Ave. Duration
- 4h
- When
- Every day
- Estimated price
- $180–280
- Website
- flyscoot.com
Flights from Koh Samui Airport to Phu Quoc International Airport via Singapore Changi
- Ave. Duration
- 5h 15m
- When
- Every day
- Estimated price
- $210–450
- Website
- vietjetair.com
Flights from Koh Samui Airport to Phu Quoc International Airport via Singapore Changi
- Ave. Duration
- 4h 50m
- When
- Every day
- Estimated price
- $210–450
- Website
- airasia.com
Flights from Koh Samui Airport to Phu Quoc International Airport via Don Muang
- Ave. Duration
- 6h 35m
- When
- Every day
- Estimated price
- $150–440
- Phone
- +66 2 936 3256
- Website
- sombattour.com
Busferry from Koh Samui Nathon Pier to Bangkok Sai Tai Mai Terminal
- Ave. Duration
- 12h 50m
- Frequency
- Once daily
- Estimated price
- $24
- Book at
- https://12go.asia/en/operator/sombat-tour
- Website
- https://www.sombattour.com/
- Phone
- (+855) 81 911 911
- support@virakbuntham.com
- Website
- vireakbuntham.com
Bus from Bangkok to Phnom Penh Virak Buntham Express
- Ave. Duration
- 12h
- Frequency
- Every 4 hours
- Estimated price
- $29–32
- Website
- https://vireakbuntham.com/
Bus from Phnom Penh Virak Buntham Express to Sihanoukville Virak Buntham Express
- Ave. Duration
- 3h
- Frequency
- Hourly
- Estimated price
- $14
- Website
- https://vireakbuntham.com/
- Phone
- +84 93 927 41 60
- info@bienhatientravel.com
- Website
- bienhatientravel.com
Bus from Bien Ha Tien Travel Office to Sihanouk Ville Cambodia
- Ave. Duration
- 3h
- Frequency
- Once daily
- Estimated price
- $23
- Schedules at
- bienhatientravel.com
- Phone
- +66 2 277 4488
- info@rajaferryport.com
- Website
- rajaferryport.com
Busferry from Lipa Noi Pier to Bangkok Rajah Ferry Khao San
- Ave. Duration
- 15h
- Frequency
- Twice daily
- Estimated price
- $36
- Book at
- https://12go.asia/en/operator/raja-ferry
- Website
- https://www.rajaferryport.com/
- Phone
- 02 629 1300
- Website
- 12go.asia
Bus from Bangkok Khao San Road to Phnom Penh
- Ave. Duration
- 14h 35m
- Frequency
- Every 4 hours
- Estimated price
- $39
- Schedules at
- 12go.asia
- Phone
- (0297) 3980 111
- phuquoc.sales@superdong.com.vn
- Website
- superdong.com.vn
Car ferry from Phu Quoc to Ha Tien
- Ave. Duration
- 1h 15m
- Frequency
- 4 times a day
- Estimated price
- $8–14
- Schedules at
- superdong.com.vn
- Book at
- superdong.com.vn
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Ferry from Koh Samui Transfer to Boonsiri Khao San office
- Ave. Duration
- 14h
- Frequency
- Once daily
- Estimated price
- $35–55
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
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