There are 6 ways to get from Dublin to Ko Samui by 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.
Fly Dublin Airport to Koh Samui Airport
best- Fly from Dublin Airport (DUB) to Koh Samui Airport (USM)plane DUB - USM
19h 11m฿16,203–31,509Fly Dublin Airport to Phuket International Airport, bus and ferry
cheapest- Fly from Dublin Airport (DUB) to Phuket International Airport (HKT)plane DUB - HKT
- Take the busferry from Phuket Lomprayah Bus Station to Koh Samui Nathon Pierbusferry
26h 24m฿11,968–22,109Train to George Best Belfast City Airport, fly to Koh Samui Airport
- Take the train from Dublin Connolly to Belfast Great Centraltrain
- Fly from George Best Belfast City Airport (BHD) to Koh Samui Airport (USM)plane BHD - USM
21h 21m฿21,580–57,003Train to Cork Airport, fly to Koh Samui Airport
- Take the train from Dublin Heuston to Corktrain
- Fly from Cork Airport (ORK) to Koh Samui Airport (USM)plane ORK - USM
22h 7m฿21,886–57,475Fly Dublin Airport to Krabi Airport, ferry
- Fly from Dublin Airport (DUB) to Krabi Airport (KBV)plane DUB - KBV
- Take the ferry from Krabi Town Hotel Transfer to Boonsiri Ferry Koh Samuiferry
25h 5m฿15,203–33,659Train to Belfast International Airport, fly to Koh Samui Airport
- Take the train from Dublin Connolly to Belfast Great Centraltrain
- Fly from Belfast International Airport (BFS) to Koh Samui Airport (USM)plane BFS - USM
22h 19m฿17,853–38,456
Dublin Airport (DUB) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from Dublin to Ko Samui is to fly and bus and ferry which costs ฿12000 - ฿23000 and takes 26h 24m.
The fastest way to get from Dublin to Ko Samui is to fly which takes 19h 11m and costs ฿16000 - ฿32000.
The distance between Dublin and Ko Samui is 10246 km.
It takes approximately 19h 11m to get from Dublin to Ko Samui, including transfers.
Ko Samui is 7h ahead of Dublin. It is currently 3:49 PM in Dublin and 10:49 PM in Ko Samui.
There are 3006+ hotels available in Ko Samui.
What companies run services between Dublin, Ireland and Ko Samui, Thailand?
Qatar Airways, Bangkok Airways, and four other airlines fly from Dublin Airport (DUB) to Koh Samui Airport (USM) 5 times a day.
- Website
- thaiairways.com
Flights from Dublin Airport to Koh Samui Airport via Stockholm, Suvarnabhumi
- Ave. Duration
- 16h 55m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- ฿18,000–55,000
Flights from George Best Belfast City Airport to Koh Samui Airport via London Heathrow, Suvarnabhumi
- Ave. Duration
- 16h 35m
- When
- Every day
- Estimated price
- ฿23,000–70,000
Flights from George Best Belfast City Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 20h 10m
- When
- Every day
- Estimated price
- ฿23,000–70,000
Flights from George Best Belfast City Airport to Koh Samui Airport via London Heathrow, Phuket International Airport
- Ave. Duration
- 16h 25m
- When
- Sunday
- Estimated price
- ฿18,000–65,000
Flights from Cork Airport to Koh Samui Airport via London Heathrow, Suvarnabhumi
- Ave. Duration
- 18h 2m
- When
- Every day
- Estimated price
- ฿20,000–70,000
Flights from Cork Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 18h 40m
- When
- Saturday
- Estimated price
- ฿23,000–70,000
Flights from Cork Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 20h 40m
- When
- Monday, Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿23,000–70,000
Flights from Belfast International Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 16h 45m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- ฿18,000–55,000
Flights from Belfast International Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket International Airport
- Ave. Duration
- 17h 45m
- When
- Thursday
- Estimated price
- ฿14,000–50,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 20h 25m
- When
- Friday and Sunday
- Estimated price
- ฿16,000–36,000
- Website
- etihad.com
Flights from Dublin Airport to Koh Samui Airport via Abu Dhabi, Phuket International Airport
- Ave. Duration
- 17h 40m
- When
- Every day
- Estimated price
- ฿13,000–37,000
Flights from George Best Belfast City Airport to Koh Samui Airport via London Heathrow, Phuket International Airport
- Ave. Duration
- 16h 25m
- When
- Sunday
- Estimated price
- ฿18,000–65,000
Flights from Cork Airport to Koh Samui Airport via London Heathrow, Suvarnabhumi
- Ave. Duration
- 18h
- When
- Every day
- Estimated price
- ฿23,000–70,000
Flights from Dublin Airport to Krabi Airport via Abu Dhabi
- Ave. Duration
- 15h 15m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿8,000–24,000
Flights from Dublin Airport to Phuket International Airport via Abu Dhabi
- Ave. Duration
- 15h 7m
- When
- Every day
- Estimated price
- ฿9,000–26,000
Flights from Belfast International Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket International Airport
- Ave. Duration
- 17h 45m
- When
- Thursday
- Estimated price
- ฿14,000–50,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 20h 25m
- When
- Friday and Sunday
- Estimated price
- ฿16,000–36,000
- Website
- qatarairways.com
Flights from Dublin Airport to Koh Samui Airport via Doha, Phuket International Airport
- Ave. Duration
- 18h 10m
- When
- Every day
- Estimated price
- ฿18,000–60,000
Flights from George Best Belfast City Airport to Koh Samui Airport via London Heathrow, Phuket International Airport
- Ave. Duration
- 16h 25m
- When
- Sunday
- Estimated price
- ฿18,000–65,000
Flights from Dublin Airport to Phuket International Airport via Doha
- Ave. Duration
- 15h 30m
- When
- Every day
- Estimated price
- ฿12,000–39,000
Flights from Belfast International Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket International Airport
- Ave. Duration
- 17h 45m
- When
- Thursday
- Estimated price
- ฿14,000–50,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 20h 25m
- When
- Friday and Sunday
- Estimated price
- ฿16,000–36,000
- Website
- emirates.com
Flights from Dublin Airport to Koh Samui Airport via Dubai, Phuket International Airport
- Ave. Duration
- 17h 40m
- When
- Every day
- Estimated price
- ฿17,000–60,000
Flights from Cork Airport to Koh Samui Airport via London Heathrow, Suvarnabhumi
- Ave. Duration
- 18h
- When
- Every day
- Estimated price
- ฿23,000–70,000
Flights from Dublin Airport to Krabi Airport via Dubai
- Ave. Duration
- 16h 46m
- When
- Every day
- Estimated price
- ฿11,000–37,000
Flights from Dublin Airport to Phuket International Airport via Dubai
- Ave. Duration
- 15h 52m
- When
- Every day
- Estimated price
- ฿12,000–40,000
Flights from Belfast International Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket International Airport
- Ave. Duration
- 17h 45m
- When
- Thursday
- Estimated price
- ฿14,000–50,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 20h 25m
- When
- Friday and Sunday
- Estimated price
- ฿16,000–36,000
- Website
- evaair.com
Flights from George Best Belfast City Airport to Koh Samui Airport via London Heathrow, Suvarnabhumi
- Ave. Duration
- 16h 15m
- When
- Monday, Wednesday, and Friday
- Estimated price
- ฿23,000–70,000
Flights from George Best Belfast City Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 16h 20m
- When
- Tuesday and Thursday
- Estimated price
- ฿20,000–55,000
Flights from Cork Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 16h 25m
- When
- Tuesday and Thursday
- Estimated price
- ฿20,000–55,000
Flights from Cork Airport to Koh Samui Airport via London Heathrow, Suvarnabhumi
- Ave. Duration
- 18h 2m
- When
- Every day
- Estimated price
- ฿20,000–70,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 20h 25m
- When
- Friday and Sunday
- Estimated price
- ฿16,000–36,000
- Website
- klm.com
Flights from George Best Belfast City Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 21h 5m
- When
- Saturday
- Estimated price
- ฿17,000–65,000
Flights from Cork Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 19h 57m
- When
- Every day
- Estimated price
- ฿18,000–65,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 20h 25m
- When
- Friday and Sunday
- Estimated price
- ฿16,000–36,000
- Website
- bangkokair.com
Flights from George Best Belfast City Airport to Koh Samui Airport via London Heathrow, Phuket International Airport
- Ave. Duration
- 16h 25m
- When
- Sunday
- Estimated price
- ฿18,000–65,000
Flights from Cork Airport to Koh Samui Airport via London Heathrow, Suvarnabhumi
- Ave. Duration
- 18h
- When
- Every day
- Estimated price
- ฿23,000–70,000
Flights from Belfast International Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket International Airport
- Ave. Duration
- 17h 45m
- When
- Thursday
- Estimated price
- ฿14,000–50,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 20h 25m
- When
- Friday and Sunday
- Estimated price
- ฿16,000–36,000
- Website
- flysas.com
Flights from Dublin Airport to Krabi Airport via Copenhagen
- Ave. Duration
- 18h 5m
- When
- Tuesday and Saturday
- Estimated price
- ฿6,500–21,000
- Website
- finnair.com
Flights from Dublin Airport to Krabi Airport via Helsinki
- Ave. Duration
- 16h 15m
- When
- Monday
- Estimated price
- ฿8,500–27,000
Flights from Dublin Airport to Phuket International Airport via Helsinki
- Ave. Duration
- 16h 5m
- When
- Monday, Tuesday, Wednesday, Saturday, and Sunday
- Estimated price
- ฿9,500–30,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 20h 25m
- When
- Friday and Sunday
- Estimated price
- ฿16,000–36,000
- Website
- britishairways.com
Flights from George Best Belfast City Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 22h 35m
- When
- Monday, Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿16,000–55,000
Flights from Belfast International Airport to Koh Samui Airport via London Gatwick, Suvarnabhumi
- Ave. Duration
- 17h 55m
- When
- Thursday and Friday
- Estimated price
- ฿12,000–41,000
- Phone
- +44 28 9066 6630
- Website
- translink.co.uk
Train from Dublin Connolly to Belfast Great Central
- Ave. Duration
- 2h 8m
- Frequency
- Hourly
- Estimated price
- ฿700–1,100
- Website
- https://www.translink.co.uk/
- Phone
- +353 1 836 6222
- info@irishrail.ie
- Website
- irishrail.ie
Train from Dublin Connolly to Belfast Great Central
- Ave. Duration
- 2h 8m
- Frequency
- Hourly
- Estimated price
- ฿550–850
- Website
- https://www.irishrail.ie/en-ie/
- Flexible
- ฿550–850
Train from Dublin Heuston to Cork
- Ave. Duration
- 2h 32m
- Frequency
- Hourly
- Estimated price
- ฿800–1,200
- Website
- https://www.irishrail.ie/en-ie/
- Flexible
- ฿800–1,200
- Phone
- +66 89 873 0008
- customercare@lomprayah.com
- Website
- lomprayah.com
Busferry from Phuket Lomprayah Bus Station to Koh Samui Nathon Pier
- Ave. Duration
- 6h 45m
- Frequency
- Once daily
- Estimated price
- ฿1,600
- Schedules at
- lomprayah.com
- Book at
- lomprayah.com
- Phone
- +66 9 4724 4555
- info@boonsiriferry.com
- Website
- boonsiriferry.com
Ferry from Krabi Town Hotel Transfer to Boonsiri Ferry Koh Samui
- Ave. Duration
- 5h 30m
- Frequency
- Once daily
- Estimated price
- ฿800–1,200
- Book at
- https://12go.asia/en/operator/boonsiri-high-speed-ferries
- Website
- https://boonsiriferry.com/en
Want to know more about travelling around Thailand
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the UK: What do I need to know?
Read the travel guide











