There are 3 ways to get from Colombo to Ko Samui by plane, bus, 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.
Fly to Koh Samui Airport
best- Fly from Bandaranaike International Airport (CMB) to Koh Samui Airport (USM)plane CMB - USM
6h 28m฿14,813–21,179Fly to Surat Thani, bus
cheapest- Fly from Bandaranaike International Airport (CMB) to Surat Thani (URT)plane CMB - URT
- Take the bus from Surat Thani Airport to Na Thon Koh Samui Songsermbus
10h 26m฿9,763–22,929Fly to Nakhon Si Thammarat, bus and ferry
- Fly from Bandaranaike International Airport (CMB) to Nakhon Si Thammarat (NST)plane CMB - NST
- Take the busferry from Nakhon Si Thammarat Airport to Koh Samui Nathon Pierbusferry
11h 6m฿9,763–22,929
Bandaranaike International Airport (CMB) to Koh Samui Airport (USM) flights
Comparing Your Travel Options
The cheapest way to get from Colombo to Ko Samui is to fly and bus which costs ฿9500 - ฿23000 and takes 10h 26m.
The fastest way to get from Colombo to Ko Samui is to fly which takes 6h 28m and costs ฿14000 - ฿22000.
The distance between Colombo and Ko Samui is 2291 km.
It takes approximately 6h 28m to get from Colombo to Ko Samui, including transfers.
Ko Samui is 1h 30m ahead of Colombo. It is currently 6:06 AM in Colombo and 7:36 AM in Ko Samui.
There are 3288+ hotels available in Ko Samui.
What companies run services between Colombo, Sri Lanka and Ko Samui, Thailand?
SriLankan Airlines, Bangkok Airways, and four other airlines fly from Bandaranaike International Airport (CMB) to Koh Samui Airport (USM) every 4 hours.
- Website
- vietjetair.com
Flights from Bandaranaike International Airport to Surat Thani via Suvarnabhumi
- Ave. Duration
- 8h 47m
- When
- Every day
- Estimated price
- ฿8,500–24,000
Flights from Bandaranaike International Airport to Nakhon Si Thammarat via Suvarnabhumi
- Ave. Duration
- 6h 30m
- When
- Every day
- Estimated price
- ฿8,500–26,000
- Website
- airasia.com
Flights from Bandaranaike International Airport to Surat Thani via Don Muang
- Ave. Duration
- 7h 30m
- When
- Every day
- Estimated price
- ฿8,000–21,000
Flights from Bandaranaike International Airport to Nakhon Si Thammarat via Don Muang
- Ave. Duration
- 9h 50m
- When
- Every day
- Estimated price
- ฿8,000–21,000
- Website
- singaporeair.com
Flights from Bandaranaike International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 7h 30m
- When
- Every day
- Estimated price
- ฿13,000–50,000
- Website
- thaiairways.com
Flights from Bandaranaike International Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 5h 45m
- When
- Every day
- Estimated price
- ฿13,000–34,000
- Website
- flyscoot.com
Flights from Bandaranaike International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 7h 5m
- When
- Every day
- Estimated price
- ฿13,000–36,000
- Website
- malaysiaairlines.com
Flights from Bandaranaike International Airport to Koh Samui Airport via Kuala Lumpur, Phuket
- Ave. Duration
- 10h 20m
- When
- Every day
- Estimated price
- ฿12,000–44,000
- Phone
- +66 86 2730389
- customercare@songserm.com
- Website
- Songserm
Bus from Surat Thani Airport to Na Thon Koh Samui Songserm
- Ave. Duration
- 1h 30m
- Frequency
- Once daily
- Estimated price
- ฿850
- Website
- Songserm
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Busferry from Nakhon Si Thammarat Airport to Koh Samui Nathon Pier
- Ave. Duration
- 3h 15m
- Frequency
- Twice daily
- Estimated price
- ฿850
- Schedules at
- lomprayah.com
- Book at
- 12go.com
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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 How to get from Stansted Airport into central London, How to get from Gatwick Airport into central London, and How to get from Luton Airport into central London - to help you get the most out of your next trip.