There are 10 ways to get from Koh Samui Airport (USM) to Phnom Penh by plane, bus, ferry, busferry, 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, bus
best- Fly from Koh Samui Airport (USM) to Krong Ta Khmau (KTI)USM - KTI
- Take the bus from Techo International Airport to Canadia Garden
6h 15m$182–259Ferry, bus and ferry, bus via Bangkok
cheapest- 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 33m$87–106Ferry, 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 Khao San office
- Take the bus from Bangkok to Phnom Penh Virak Buntham Express
27h 50m$94–120Ferry, 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 Town Transfer
- Take the ferry from Koh Chang Town Transfer to Siem Reap Transfer
- Take the bus from Siem Reap Virak Buntham Express to Phnom Penh
2d 3h$137–187Fly 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 2m$197–305Fly to Siem Reap, bus
- Fly from Koh Samui Airport (USM) to Siem Reap (SAI)USM - SAI
- Take the bus from Siem Reap Airport to Siem Reap Town
- Take the bus from Siem Reap Virak Buntham Express to Phnom Penh
11h 57m$225–373Fly to Sihanoukville, Van
- Fly from Koh Samui Airport (USM) to Sihanoukville (KOS)USM - KOS
- Take the bus from Sihanoukville Virak Buntham Express to Phnom Penh Virak Buntham Express
6h 45m$311–440Ferry, bus and ferry, train, bus
- Take the ferry from Koh Samui Airport to Koh Phangan Thong Sala Pier
- Take the busferry from Koh Phangan Thong Sala Pier to Tapee Pier
- Take the train from Tha Chang to Krung Thep Aphiwat Central Terminal168
- Take the bus from Bangkok Mochit Bus Terminal to Phnom Penh
30h 1mFerry, bus and ferry, bus
- 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$87–103Car 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 17m$181–273
Koh Samui Airport (USM) to Phnom Penh by ferry, 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 - $110 and takes 32h 57m.
The fastest way to get from Koh Samui Airport (USM) to Phnom Penh is to fly and bus which takes 6h 15m and costs $180 - $260.
The distance between Koh Samui Airport (USM) and Phnom Penh is 603 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 33m and costs $85 - $110.
It takes approximately 6h 15m to get from Koh Samui Airport (USM) to Phnom Penh, including transfers.
There are 468+ hotels available in Phnom Penh.
What companies run services between Koh Samui Airport (USM), Thailand and Phnom Penh, Cambodia?
There is no direct connection from Koh Samui Airport (USM) to Phnom Penh. However, you can fly to Krong Ta Khmau (KTI), walk to Techo International Airport, then take the bus to Canadia Garden. Alternatively, you can take a ferry from Koh Samui Airport to Phnom Penh Virak Buntham Express via Koh Phangan Thong Sala Pier, Koh Phangan Lomprayah, Khao San Lomprayah, Kong Salak, Ratchathewi District Office, and Bangkok in around 27h 33m.
- Website
- bangkokair.com
Flights from Koh Samui Airport to Krong Ta Khmau via Suvarnabhumi
- Ave. Duration
- 3h 25m
- When
- Every day
- Estimated price
- $180–260
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 3h 57m
- When
- Every day
- Estimated price
- $240–500
Flights from Koh Samui Airport to Siem Reap via Suvarnabhumi
- Ave. Duration
- 3h 57m
- When
- Every day
- Estimated price
- $190–350
- Website
- singaporeair.com
Flights from Koh Samui Airport to Krong Ta Khmau via Singapore Changi
- Ave. Duration
- 4h 57m
- When
- Every day
- Estimated price
- $110–850
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Singapore Changi
- Ave. Duration
- 5h 31m
- When
- Every day
- Estimated price
- $100–800
Flights from Koh Samui Airport to Siem Reap via Singapore Changi
- Ave. Duration
- 7h
- When
- Every day
- Estimated price
- $140–1,100
- Website
- vietnamairlines.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 3h 57m
- 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
- $100–800
- Website
- thaiairways.com
Flights from Koh Samui Airport to Krong Ta Khmau via Suvarnabhumi
- Ave. Duration
- 5h 5m
- When
- Every day
- Estimated price
- $150–420
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Suvarnabhumi
- Ave. Duration
- 4h 35m
- When
- Every day
- Estimated price
- $150–420
Flights from Koh Samui Airport to Siem Reap via Suvarnabhumi
- Ave. Duration
- 3h 57m
- When
- Every day
- Estimated price
- $190–350
- Website
- airasia.com
Flights from Koh Samui Airport to Tan Son Nhat International Airport via Don Muang
- Ave. Duration
- 4h 30m
- When
- Every day
- Estimated price
- $140–310
Flights from Koh Samui Airport to Siem Reap via Don Muang
- Ave. Duration
- 3h 50m
- When
- Every day
- Estimated price
- $190–350
Flights from Koh Samui Airport to Siem Reap via Phuket
- Ave. Duration
- 3h 35m
- When
- Every day
- Estimated price
- $210–410
- Website
- emirates.com
Flights from Koh Samui Airport to Krong Ta Khmau via Suvarnabhumi
- Ave. Duration
- 3h 25m
- When
- Every day
- Estimated price
- $180–260
Flights from Koh Samui Airport to Siem Reap via Suvarnabhumi
- Ave. Duration
- 3h 52m
- When
- Every day
- Estimated price
- $190–350
- Website
- turkishairlines.com
Flights from Koh Samui Airport to Krong Ta Khmau via Suvarnabhumi
- Ave. Duration
- 5h 10m
- When
- Monday, Thursday, and Saturday
- Estimated price
- $220–650
Flights from Koh Samui Airport to Siem Reap via Suvarnabhumi
- Ave. Duration
- 3h 40m
- When
- Every day
- Estimated price
- $190–350
- Website
- cambodiaangkorair.com
Flights from Koh Samui Airport to Sihanoukville via Suvarnabhumi
- Ave. Duration
- 3h 36m
- When
- Thursday and Sunday
- Estimated price
- $210–550
- Website
- cambodia-airways.com
Flights from Koh Samui Airport to Krong Ta Khmau via Suvarnabhumi
- Ave. Duration
- 3h 45m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $130–220
- 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
- $150–260
- 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
- $160–300
- Website
- railway.co.th
Train from Tha Chang to Krung Thep Aphiwat Central Terminal
- Ave. Duration
- 10h 14m
- Frequency
- 4 times a day
- Estimated price
- $6–23
- Schedules at
- railway.co.th
- Phone
- (855) 097 2473 773
- Website
- tourismcambodia.com
Bus from Techo International Airport to Canadia Garden
- Ave. Duration
- 1h
- Frequency
- Every 15 minutes
- Estimated price
- $1
- Schedules at
- tourismcambodia.com
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Busferry from Koh Phangan Lomprayah to Khao San Lomprayah
- Ave. Duration
- 11h 45m
- Frequency
- Twice daily
- Estimated price
- $40–55
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
Busferry from Koh Phangan Thong Sala Pier to Tapee Pier
- Ave. Duration
- 2h 30m
- Frequency
- Once daily
- 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 Siem Reap Virak Buntham Express to Phnom Penh
- Ave. Duration
- 6h
- Frequency
- Hourly
- Estimated price
- $12–19
- Website
- https://vireakbuntham.com/
Bus from Sihanoukville Virak Buntham Express to Phnom Penh Virak Buntham Express
- Ave. Duration
- 3h
- Frequency
- Hourly
- Estimated price
- $14
- 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/
- 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
- 012 931 255
- vancp@cambodiapost.com.kh
Bus from Siem Reap Airport to Siem Reap Town
- Ave. Duration
- 50 min
- Frequency
- Every 4 hours
- Estimated price
- $8
- Schedules at
- https://bookmebus.com/en/cpvipvan
- 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
- $39
- 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 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
- $17–24
- Website
- https://songserm.com/
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Ferry from Koh Tao Boonsiri Pier to Boonsiri Khao San office
- Ave. Duration
- 10h
- Frequency
- Twice 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 Town Transfer
- Ave. Duration
- 28h 45m
- Frequency
- Once daily
- Estimated price
- $50–75
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Ferry from Koh Chang Town Transfer to Siem Reap Transfer
- Ave. Duration
- 11h
- Frequency
- Once daily
- Estimated price
- $40–55
- 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
- $8
- Book at
- https://12go.asia/en/operator/raja-ferry
- Website
- https://www.rajaferryport.com/
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