There are 8 ways to get from Koh Samui Airport (USM) to Phnom Penh by plane, ferry, busferry, bus, train, car ferry, or car
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 Krong Ta Khmau
best- Fly from Koh Samui Airport (USM) to Krong Ta Khmau (KTI)USM - KTI
5h 8m$184–261Ferry, bus and ferry, bus
cheapest- Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pier
- Take the busferry from Thong Sala Pier, Koh Phangan to Bangkok Khao San Road
- Take the bus from Bangkok Khao San Road to Phnom Penh
32h 57m$86–96Ferry, bus and ferry, bus via Bangkok
- Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pier
- Take the busferry from Koh Phangan Lomprayah to Khao San Lomprayah
- Take the bus from Bangkok to Phnom Penh Virak Buntham Express
27h 48m$91–94Ferry, train, bus
- Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pier
- Take the ferry from Koh Phangan to Chumphon
- Take the train from Chumphon to Krung Thep Aphiwat Central Terminal
- Take the bus from Bangkok Mochit Bus Terminal to Phnom Penh
28h 15m$101–145Ferry, bus via Bangkok
- Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pier
- Take the ferry from Koh Phangan to Koh Tao Mae Had Pier
- Take the ferry from Koh Tao Boonsiri Pier to Boonsiri Office Kraisi
- Take the bus from Bangkok to Phnom Penh Virak Buntham Express
28h 50m$94–115Fly to Tan Son Nhat International Airport, bus
- Fly from Koh Samui Airport (USM) to Tan Son Nhat International Airport (SGN)USM - SGN
- Take the bus from Ho Chi Minh to Phnom Penh
11h 12m$194–303Ferry, bus
- Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pier
- Take the ferry from Koh Phangan to Koh Tao Mae Had Pier
- Take the ferry from Koh Tao Boonsiri Pier to Koh Chang Ao Sapparot Pier
- Take the ferry from Koh Chang Ao Sapparot Pier to Siem Reap Transfer
- Take the bus from Siem Reap Virak Buntham Express to Phnom Penh
2d 1h$112–139Car ferry, drive
- Take the car ferry from Lipa Noi Pier to Raja Ferry Donsak Pier
- Drive from Raja Ferry Donsak Pier to Phnom Penh
21h 19m$188–280
Koh Samui Airport (USM) to Phnom Penh by ferry, busferry, foot, and bus
Questions & Answers
The cheapest way to get from Koh Samui Airport (USM) to Phnom Penh is to ferry and bus and ferry and bus which costs $85 - $100 and takes 32h 57m.
The fastest way to get from Koh Samui Airport (USM) to Phnom Penh is to fly which takes 5h 8m and costs $180 - $270.
The distance between Koh Samui Airport (USM) and Phnom Penh is 599 km.
The best way to get from Koh Samui Airport (USM) to Phnom Penh without a car is to ferry and bus and ferry and bus via Bangkok which takes 27h 48m and costs $91 - $95.
It takes approximately 5h 8m to get from Koh Samui Airport (USM) to Phnom Penh, including transfers.
There are 463+ hotels available in Phnom Penh.
What companies run services between Koh Samui Airport (USM), Thailand and Phnom Penh, Cambodia?
Bangkok Airways, Scoot Tigerair, and four other airlines fly from Koh Samui Airport (USM) to Krong Ta Khmau (KTI) 5 times a day.
Transport is disrupted due to the Russia-Ukraine war. Read more
- Website
- bangkokair.com
Flights from Koh Samui Airport to Krong Ta Khmau via Suvarnabhumi
- Ave. Duration
- 3h 20m
- When
- Every day
- Estimated price
- $180–260
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 4h 43m
- When
- Every day
- Estimated price
- $240–500
- Website
- singaporeair.com
Flights from Koh Samui Airport to Krong Ta Khmau via Singapore Changi
- Ave. Duration
- 4h 57m
- When
- Every day
- Estimated price
- $100–650
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Singapore Changi
- Ave. Duration
- 5h 31m
- When
- Every day
- Estimated price
- $90–650
- Website
- vietnamairlines.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 4h 7m
- When
- Every day
- Estimated price
- $240–500
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Singapore Changi
- Ave. Duration
- 5h 25m
- When
- Every day
- Estimated price
- $90–650
- Website
- turkishairlines.com
Flights from Koh Samui Airport to Krong Ta Khmau via Suvarnabhumi
- Ave. Duration
- 5h 30m
- When
- Thursday and Saturday
- Estimated price
- $210–700
- Website
- airasia.com
Flights from Koh Samui Airport to Krong Ta Khmau via Don Muang
- Ave. Duration
- 5h 30m
- When
- Every day
- Estimated price
- $180–250
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Don Muang
- Ave. Duration
- 4h 30m
- When
- Every day
- Estimated price
- $150–260
- Website
- cambodia-airways.com
Flights from Koh Samui Airport to Krong Ta Khmau via Suvarnabhumi
- Ave. Duration
- 3h 45m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $130–210
- Website
- thaiairways.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 4h 35m
- When
- Every day
- Estimated price
- $150–470
- Website
- flyscoot.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Singapore Changi
- Ave. Duration
- 5h 45m
- When
- Every day
- Estimated price
- $140–260
- Website
- cathaypacific.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Hong Kong
- Ave. Duration
- 6h 55m
- When
- Every day
- Estimated price
- $160–320
- Phone
- 1690
- sarabanklang@railway.co.th
- Website
- dticket.railway.co.th
Train from Chumphon to Krung Thep Aphiwat Central Terminal
- Ave. Duration
- 7h 51m
- Frequency
- Every 4 hours
- Estimated price
- $4–45
- Book at
- https://12go.asia/en/operator/thai-railways
- Website
- https://dticket.railway.co.th/DTicketPublicWeb/home/Home
- 3rd Class (Seat)
- $4–8
- 2nd Class (Air-Conditioned Berth)
- $20–27
- 2nd Class (Air-conditioned Seat)
- $11–16
- 1st Class (Air-Conditioned Berth)
- $30–45
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Busferry from Koh Phangan Lomprayah to Khao San Lomprayah
- Ave. Duration
- 12h
- Frequency
- Once daily
- Estimated price
- $44
- Schedules at
- lomprayah.com
- Book at
- lomprayah.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 Bangkok Mochit Bus Terminal to Phnom Penh
- Ave. Duration
- 12h
- Frequency
- 4 times a day
- Estimated price
- $33
- Website
- https://vireakbuntham.com/
Bus from Siem Reap Virak Buntham Express to Phnom Penh
- Ave. Duration
- 6h
- Frequency
- Hourly
- Estimated price
- $16
- Website
- https://vireakbuntham.com/
- Phone
- +855 23 222 838
- Website
- 12go.asia
Bus from Ho Chi Minh to Phnom Penh
- Ave. Duration
- 6h
- Frequency
- Every 4 hours
- Estimated price
- $28
- Book at
- 12go.asia
- Phone
- +84 28 38389593
- info@thesinhtourist.vn
- Website
- thesinhtourist.vn
Bus from Ho Chi Minh to Phnom Penh
- Ave. Duration
- 7h
- Frequency
- Hourly
- Estimated price
- $7–11
- Schedules at
- thesinhtourist.vn
- Phone
- +84 28 3837 0969
- Website
- 12go.asia
Bus from Ho Chi Minh to Phnom Penh
- Ave. Duration
- 6h 30m
- Frequency
- 3 times a day
- Estimated price
- $35
- Book at
- 12go.asia
- Phone
- 02-629-3552
- monthanathiptourandtravel@gmail.com
- Website
- monthanathip.com
Busferry from Thong Sala Pier, Koh Phangan to Bangkok Khao San Road
- 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
- $38
- Schedules at
- 12go.asia
- Phone
- (+66) 02 240 2582
- info@seatrandiscovery.com
- Website
- seatrandiscovery.com
Ferry from Koh Samui Airport to Koh Phangan Thong Sala Pier
- Ave. Duration
- 1h 15m
- Frequency
- Twice daily
- Estimated price
- $18–19
- Website
- https://www.seatrandiscovery.com/
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Ferry from Koh Phangan to Chumphon
- Ave. Duration
- 3h 15m
- Frequency
- Twice daily
- Estimated price
- $36
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
Ferry from Koh Phangan to Koh Tao Mae Had Pier
- Ave. Duration
- 1h
- Frequency
- Every 4 hours
- Estimated price
- $20
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
- Phone
- +66 86 2730389
- customercare@songserm.com
- Website
- songserm.com
Ferry from Koh Phangan to Koh Tao Mae Had Pier
- Ave. Duration
- 1h 45m
- Frequency
- Once daily
- Estimated price
- $17–19
- Website
- https://songserm.com/
- Book at
- https://12go.asia/en/operator/songserm
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Ferry from Koh Tao Boonsiri Pier to Boonsiri Office Kraisi
- Ave. Duration
- 11h
- Frequency
- Once daily
- Estimated price
- $30–45
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Ferry from Koh Tao Boonsiri Pier to Koh Chang Ao Sapparot Pier
- Ave. Duration
- 28h
- Frequency
- Once daily
- Estimated price
- $35–75
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Ferry from Koh Chang Ao Sapparot Pier to Siem Reap Transfer
- Ave. Duration
- 10h
- Frequency
- Once daily
- Estimated price
- $26–50
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
- Phone
- +66 2 277 4488
- info@rajaferryport.com
- Website
- rajaferryport.com
Car ferry from Lipa Noi Pier to Raja Ferry Donsak Pier
- Ave. Duration
- 1h 30m
- Frequency
- Hourly
- Estimated price
- $15
- Book at
- https://12go.asia/en/operator/raja-ferry
- Website
- https://www.rajaferryport.com/
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