There are 9 ways to get from Cambodia to Ko Samui by bus, plane, train, ferry, or busferry
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus to Siem Reap, fly
best- Take the bus from Siem Reap Town to Siem Reap Airportbus
- Fly from Siem Reap (SAI) to Koh Samui Airport (USM)plane SAI - USM
6h 47m฿7,663–14,408Bus, bus and ferry
cheapest- Take the bus from Phnom Penh to Bangkok Mochit Bus Terminalbus
- Take the busferry from Bangkok Sai Tai Mai Terminal to Koh Samui Nathon Pierbusferry
27h 28m฿1,836–2,386Bus, train
- Take the bus from Phnom Penh to Bangkok Mochit Bus Terminalbus
- Take the train from Krung Thep Aphiwat Central Terminal to Chumphontrain
- Take the bus from Chumphon Town to Bangrak Seatran Pierbus
24h 9m฿3,464–4,461Bus, ferry via Bangkok
- Take the bus from Phnom Penh to Bangkok Mochit Bus Terminalbus
- Take the ferry from Boonsiri Khao San office to Koh Samui Transferferry Boonsiri Khao San office - Koh Samui Transfer
28h 17m฿2,503–3,710Bus to Suvarnabhumi Airport, fly
- Take the bus from Poi Pet to Travel Mart Watergate office, Bangkokbus
- Fly from Suvarnabhumi Airport (BKK) to Koh Samui Airport (USM)plane BKK - USM
8h 18m฿3,930–9,945Bus to Phnom Penh, fly
- Take the bus from Canadia Garden to Techo International Airportbus
- Fly from Phnom Penh (KTI) to Koh Samui Airport (USM)plane KTI - USM
7h 59m฿7,912–12,116Bus to Don Mueang International Airport, fly
- Take the bus from Poi Pet to Travel Mart Watergate office, Bangkokbus
- Fly from Don Mueang International Airport (DMK) to Koh Samui Airport (USM)plane DMK - USM
8h 35m฿5,421–11,445Bus, ferry
- Take the bus from Phnom Penh Virak Buntham Express to Bangkokbus
- Take the ferry from Boonsiri Khao San office to Koh Samui Transferferry Boonsiri Khao San office - Koh Samui Transfer
28h 48m฿2,383–4,740Minivan, bus, bus and ferry
- Take the bus from Phnom Penh to Battambangbus
- Take the bus from Battambang to Poipetbus
- Take the bus from Poi Pet to Travel Mart Watergate office, Bangkokbus
- Take the busferry from Bangkok Rajah Ferry Khao San to Lipa Noi Pierbusferry
30h 38m฿2,158–2,736
Siem Reap (SAI) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Cambodia to Ko Samui is to bus and bus and ferry which costs ฿1800 - ฿2400 and takes 27h 28m.
The fastest way to get from Cambodia to Ko Samui is to bus and fly which takes 6h 47m and costs ฿7500 - ฿15000.
No, there is no direct bus from Cambodia to Ko Samui. However, there are services departing from Phnom Penh and arriving at Koh Samui Nathon Pier via จุดขึ้นลง;visual stop and Bangkok Sai Tai Mai Terminal. The journey, including transfers, takes approximately 27h 28m.
The distance between Cambodia and Ko Samui is 690 km.
The best way to get from Cambodia to Ko Samui without a car is to bus and train which takes 24h 9m and costs ฿3400 - ฿4500.
It takes approximately 6h 47m to get from Cambodia to Ko Samui, including transfers.
Cambodia to Ko Samui bus services, operated by , depart from Phnom Penh station.
Cambodia to Ko Samui bus services, operated by , arrive at Bangkok Mochit Bus Terminal station.
There are 3336+ hotels available in Ko Samui.
What companies run services between Cambodia and Ko Samui, Thailand?
There is no direct connection from Cambodia to Ko Samui. However, you can take the bus to Siem Reap Airport, walk to Siem Reap (SAI) airport, fly to Koh Samui Airport (USM), then take the taxi to Ko Samui. Alternatively, you can take a bus from Phnom Penh to Ko Samui via Bangkok Mochit Bus Terminal, สถานีขนส่งหมอชิต 2, ด้านหลังสถานีกลางกรุงเทพอภิวัฒน์;Rear Krung Thep Aphiwat Central Terminal, Krung Thep Aphiwat Central Terminal, Chumphon, Chumphon Town, and Bangrak Seatran Pier in around 24h 9m.
- Website
- bangkokair.com
Flights from Siem Reap to Koh Samui Airport via Suvarnabhumi Airport
- Ave. Duration
- 3h 52m
- When
- Every day
- Estimated price
- ฿6,500–13,000
Flights from Siem Reap to Koh Samui Airport via Phuket
- Ave. Duration
- 3h 35m
- When
- Every day
- Estimated price
- ฿7,500–13,000
Flights from Suvarnabhumi Airport to Koh Samui Airport
- Ave. Duration
- 1h 11m
- When
- Every day
- Estimated price
- ฿2,700–8,000
Flights from Phnom Penh to Koh Samui Airport via Suvarnabhumi Airport
- Ave. Duration
- 3h 36m
- When
- Every day
- Estimated price
- ฿2,700–15,000
Flights from Phnom Penh to Koh Samui Airport via Don Mueang International Airport
- Ave. Duration
- 5h 10m
- When
- Every day
- Estimated price
- ฿4,100–12,000
Flights from Don Mueang International Airport to Koh Samui Airport
- Ave. Duration
- 1h 30m
- When
- Every day
- Estimated price
- ฿4,000–7,500
- Website
- thaiairways.com
Flights from Siem Reap to Koh Samui Airport via Suvarnabhumi Airport
- Ave. Duration
- 3h 52m
- When
- Every day
- Estimated price
- ฿6,500–13,000
Flights from Siem Reap to Koh Samui Airport via Phuket
- Ave. Duration
- 3h 35m
- When
- Every day
- Estimated price
- ฿7,500–13,000
Flights from Suvarnabhumi Airport to Koh Samui Airport
- Ave. Duration
- 1h 11m
- When
- Every day
- Estimated price
- ฿2,700–8,000
Flights from Phnom Penh to Koh Samui Airport via Suvarnabhumi Airport
- Ave. Duration
- 3h 43m
- When
- Every day
- Estimated price
- ฿2,700–15,000
- Website
- singaporeair.com
Flights from Siem Reap to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 6h
- When
- Every day
- Estimated price
- ฿7,500–38,000
Flights from Suvarnabhumi Airport to Koh Samui Airport
- Ave. Duration
- 1h 11m
- When
- Every day
- Estimated price
- ฿2,700–8,000
Flights from Phnom Penh to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 6h 30m
- When
- Every day
- Estimated price
- ฿5,500–28,000
Flights from Phnom Penh to Koh Samui Airport via Suvarnabhumi Airport
- Ave. Duration
- 3h 36m
- When
- Every day
- Estimated price
- ฿2,700–15,000
- Website
- vietnamairlines.com
Flights from Suvarnabhumi Airport to Koh Samui Airport
- Ave. Duration
- 1h 13m
- When
- Every day
- Estimated price
- ฿2,700–8,000
Flights from Phnom Penh to Koh Samui Airport via Suvarnabhumi Airport
- Ave. Duration
- 3h 35m
- When
- Tuesday, Friday, Saturday, Sunday, and Wednesday
- Estimated price
- ฿2,700–15,000
Flights from Phnom Penh to Koh Samui Airport via Tan Son Nhat, Suvarnabhumi Airport
- Ave. Duration
- 6h 20m
- When
- Every day
- Estimated price
- ฿5,000–14,000
- Phone
- 1690
- [email protected]
- Website
- dticket.railway.co.th
Train from Krung Thep Aphiwat Central Terminal to Chumphon
- Ave. Duration
- 7h 5m
- Frequency
- Hourly
- Estimated price
- ฿160–900
- Book at
- https://12go.asia/en/operator/thai-railways
- Website
- https://dticket.railway.co.th/DTicketPublicWeb/home/Home
- 1st Class (Air-Conditioned Berth)
- ฿600–900
- 3rd Class (Seat)
- ฿190–240
- 2nd Class (Air-Conditioned Berth)
- ฿160–210
- 2nd Class (Air-conditioned Seat)
- ฿450–490
- Website
- siemreap.net
Bus from Siem Reap Town to Siem Reap Airport
- Ave. Duration
- 50 min
- Frequency
- Every 3 hours
- Estimated price
- ฿260–310
- Schedules at
- siemreap.net
- Phone
- +66 9 4724 4555
- [email protected]
- Website
- boonsiriferry.com
Bus from Chumphon Town to Bangrak Seatran Pier
- Ave. Duration
- 2h 10m
- Frequency
- Once daily
- Estimated price
- ฿1,351
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
- Phone
- 02 629 1300
- Website
- 12go.asia
Bus from Poi Pet to Travel Mart Watergate office, Bangkok
- Ave. Duration
- 5h
- Frequency
- Hourly
- Estimated price
- ฿300
- Schedules at
- travelmartbangkok.com
Bus from Poi Pet to Travel Mart Watergate office, Bangkok
- Ave. Duration
- 5h
- Frequency
- Hourly
- Estimated price
- ฿300
- Schedules at
- travelmartbangkok.com
Bus from Poi Pet to Travel Mart Watergate office, Bangkok
- Ave. Duration
- 5h
- Frequency
- Hourly
- Estimated price
- ฿300
- Schedules at
- travelmartbangkok.com
- Phone
- (855) 097 2473 773
- Website
- tourismcambodia.com
Bus from Canadia Garden to Techo International Airport
- Ave. Duration
- 1h
- Frequency
- Every 15 minutes
- Estimated price
- ฿12–17
- Schedules at
- tourismcambodia.com
- Phone
- +66 2 936 3256
- Website
- sombattour.com
Busferry from Bangkok Sai Tai Mai Terminal to Koh Samui Nathon Pier
- Ave. Duration
- 12h 50m
- Frequency
- Twice daily
- Estimated price
- ฿750–1,300
- Book at
- https://12go.asia/en/operator/sombat-tour
- Website
- https://www.sombattour.com/
- Phone
- (+855) 81 911 911
- [email protected]
- Website
- vireakbuntham.com
Bus from Phnom Penh Virak Buntham Express to Bangkok
- Ave. Duration
- 12h 30m
- Frequency
- Hourly
- Estimated price
- ฿950–2,100
- Schedules at
- vireakbuntham.com
- Book at
- 12go.asia
Bus from Battambang to Poipet
- Ave. Duration
- 2h 30m
- Frequency
- Every 3 hours
- Estimated price
- ฿220–700
- Schedules at
- vireakbuntham.com
- Book at
- 12go.asia
- Phone
- (+855)10 799 010
- [email protected]
- Website
- 12go.asia
Bus from Phnom Penh to Battambang
- Ave. Duration
- 5h
- Frequency
- Hourly
- Estimated price
- ฿390–480
- Book at
- bookmebus.com
- Phone
- +66 2 277 4488
- [email protected]
- Website
- rajaferryport.com
Busferry from Bangkok Rajah Ferry Khao San to Lipa Noi Pier
- Ave. Duration
- 14h 30m
- Frequency
- Once daily
- Estimated price
- ฿1,209
- Book at
- https://12go.asia/en/operator/raja-ferry
- Website
- https://www.rajaferryport.com/
- Phone
- +66 9 4724 4555
- [email protected]
- Website
- boonsiriferry.com
Ferry from Boonsiri Khao San office to Koh Samui Transfer
- Ave. Duration
- 13h 45m
- Frequency
- Once daily
- Estimated price
- ฿1,400–2,600
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Ferry from Boonsiri Khao San office to Koh Samui Transfer
- Ave. Duration
- 13h 45m
- Frequency
- Once daily
- Estimated price
- ฿1,400–2,600
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
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 Train travel in Spain: A guide to Renfe, Need to know: Eurostar, and Want to know more about Flixbus? - to help you get the most out of your next trip.













