What is the most punctual flight time for Dublin to Ko Samui flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Dublin to Ko Samui?

Qatar Airways is the most popular carrier operating from Dublin to Ko Samui

How often are flights from Dublin to Ko Samui delayed?

Historically, on average around 12% of flights between Dublin and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 174 minutes.

Which airline has the best punctuality record on Dublin to Ko Samui flights?

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

When did momondo last update prices for flights from Dublin Airport to Ko Samui Airport?

Prices for flights from Dublin Airport to Ko Samui Airport were last updated today.

How many operators does momondo search for flights from Dublin Airport to Ko Samui Airport?

The number of operators available for flights from Dublin Airport to Ko Samui Airport is 2 as of November 2026.

How old do you have to be to fly from Dublin Airport to Ko Samui Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

€469 Cheap Flights from Dublin to Ko Samui in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dublin to Ko Samui

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:00 - 17:30DUB Dublin-USM Ko Samui

25h 30m2 stops Shanghai Pu Dong Phuket City

18:15 - 06:15USM Ko Samui-DUB Dublin

43h 00m2 stops Phuket City Shanghai Pu Dong

€729Multiple Airlines

Mon, 23 Nov - Mon, 7 Dec

09:00 - 17:30DUB Dublin-USM Ko Samui

25h 30m2 stops Shanghai Pu Dong Phuket City

18:15 - 06:15USM Ko Samui-DUB Dublin

43h 00m2 stops Phuket City Shanghai Pu Dong

€732Multiple Airlines

Mon, 23 Nov - Mon, 7 Dec

09:00 - 19:35DUB Dublin-USM Ko Samui

27h 35m3 stops Shanghai Pu Dong Kunming Changshui Bangkok Suvarnabhumi

06:45 - 05:50USM Ko Samui-DUB Dublin

30h 05m2 stops Bangkok Don Mueang Intl Beijing Capital

€765Multiple Airlines

Mon, 23 Nov - Mon, 7 Dec

11:00 - 21:20DUB Dublin-USM Ko Samui

27h 20m2 stops Beijing Capital Bangkok Suvarnabhumi

07:00 - 11:05USM Ko Samui-DUB Dublin

35h 05m3 stops Bangkok Suvarnabhumi Shanghai Pu Dong Brussels Bruxelles-National

€776Multiple Airlines

Tue, 23 Feb - Tue, 9 Mar

07:45 - 10:35DUB Dublin-USM Ko Samui

19h 50m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

21:30 - 06:00USM Ko Samui-DUB Dublin

39h 30m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

€777Multiple Airlines

Tue, 23 Feb - Tue, 9 Mar

19:45 - 20:25DUB Dublin-USM Ko Samui

17h 40m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

12:30 - 06:30USM Ko Samui-DUB Dublin

25h 00m2 stops Phuket City Abu Dhabi Zayed Intl

€911Etihad Airways

Sat, 20 Feb - Sat, 6 Mar

09:00 - 11:05DUB Dublin-USM Ko Samui

20h 05m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

06:00 - 19:05USM Ko Samui-DUB Dublin

19h 05m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€924Etihad Airways

Fri, 9 Apr - Sat, 24 Apr

14:05 - 17:30DUB Dublin-USM Ko Samui

20h 25m2 stops Doha Hamad Intl Phuket City

15:50 - 06:00USM Ko Samui-DUB Dublin

21h 10m2 stops Phuket City Doha Hamad Intl

€929Qatar Airways

Mon, 23 Nov - Mon, 7 Dec

08:05 - 15:10DUB Dublin-USM Ko Samui

24h 05m2 stops Abu Dhabi Zayed Intl Phuket City

09:20 - 06:30USM Ko Samui-DUB Dublin

28h 10m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€1,050Etihad Airways

Thu, 11 Mar - Mon, 22 Mar

08:05 - 15:10DUB Dublin-USM Ko Samui

24h 05m2 stops Abu Dhabi Zayed Intl Phuket City

21:10 - 18:10USM Ko Samui-DUB Dublin

28h 00m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€1,053Etihad Airways

Thu, 11 Mar - Mon, 22 Mar

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Qatar Airways flights from Dublin to Ko Samui

Our best Qatar Airways deals on Dublin to Ko Samui flight tickets

Qatar Airways

16 Nov

DUB14:05Dublin

22h 45m

2 stops

USM19:50Ko Samui

30 Nov

USM18:15Ko Samui

25h 20m

2 stops

DUB12:35Dublin

€882

Qatar Airways

23 Nov

DUB14:05Dublin

20h 25m

2 stops

USM17:30Ko Samui

7 Dec

USM15:50Ko Samui

21h 10m

2 stops

DUB06:00Dublin

€929

Qatar Airways

16 Nov

DUB07:45Dublin

24h 25m

2 stops

USM15:10Ko Samui

19 Nov

USM15:50Ko Samui

21h 10m

2 stops

DUB06:00Dublin

€977

British Airways flights from Dublin to Ko Samui

Our best British Airways deals on Dublin to Ko Samui flight tickets

British Airways

23 Nov

DUB17:55Dublin

20h 10m

2 stops

USM21:05Ko Samui

7 Dec

USM19:40Ko Samui

22h 35m

2 stops

DUB11:15Dublin

€1,112

British Airways

23 Nov

DUB17:55Dublin

20h 10m

2 stops

USM21:05Ko Samui

7 Dec

USM19:40Ko Samui

22h 35m

2 stops

DUB11:15Dublin

€1,117

British Airways

16 Nov

DUB15:10Dublin

22h 55m

2 stops

USM21:05Ko Samui

30 Nov

USM16:25Ko Samui

24h 30m

2 stops

DUB09:55Dublin

€1,119

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 23/11

09:00-17:30

2 stops25h 30m

Ko Samui

Mon 7/12

18:15-06:15

2 stops43h 00m

€729

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 23/11

09:00-17:30

2 stops25h 30m

Ko Samui

Mon 7/12

18:15-06:15

2 stops43h 00m

€732

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 23/11

09:00-19:35

3 stops27h 35m

Ko Samui

Mon 7/12

06:45-05:50

2 stops30h 05m

€765

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Tue 23/2

11:00-21:20

2 stops27h 20m

Ko Samui

Tue 9/3

07:00-11:05

3 stops35h 05m

€776

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Tue 23/2

07:45-10:35

2 stops19h 50m

Ko Samui

Tue 9/3

21:30-06:00

2 stops39h 30m

€777

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Sat 20/2

19:45-20:25

2 stops17h 40m

Ko Samui

Sat 6/3

12:30-06:30

2 stops25h 00m

€911

Fastest return journey

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 9/4

09:00-11:05

2 stops20h 05m

Ko Samui

Sat 24/4

06:00-19:05

2 stops19h 05m

€924

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 23/11

14:05-17:30

2 stops20h 25m

Ko Samui

Mon 7/12

15:50-06:00

2 stops21h 10m

€929

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 11/3

08:05-15:10

2 stops24h 05m

Ko Samui

Mon 22/3

09:20-06:30

2 stops28h 10m

€1,050

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 11/3

08:05-15:10

2 stops24h 05m

Ko Samui

Mon 22/3

21:10-18:10

2 stops28h 00m

€1,053

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Dublin to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the cheapest month to fly to Ko Samui?

If you aren’t able to travel during the month of April, then book flights to Ko Samui from Dublin during September instead. Flights to Ko Samui in September, while not as cheap as those in April, still average around €872.

When to book flights from Dublin to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Dublin to Ko Samui (DUB to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Ko Samui

Best price found	€469
Fastest flight time	19h 30m
Direct flights	None

The best one-way flight to Ko Samui from Dublin in the past 72 hours is €469. The best return flight deal from Dublin to Ko Samui found on momondo in the last 72 hours is €729.

The fastest flight from Dublin to Ko Samui takes 19h 30m

There are no direct flights from Dublin to Ko Samui. There are no popular flight routes from Dublin to Ko Samui.

Search flight deals

Frequently asked questions about flying from Dublin to Ko Samui

How far is Dublin to Ko Samui by plane?
A flight from Dublin to Ko Samui will travel around 10208.6 km. Typically, this will take 19h 30m by plane in normal conditions.
When did momondo last update prices for flights from Dublin Airport to Ko Samui Airport?
Prices for flights from Dublin Airport to Ko Samui Airport were last updated today.
How many operators does momondo search for flights from Dublin Airport to Ko Samui Airport?
The number of operators available for flights from Dublin Airport to Ko Samui Airport is 2 as of November 2026.
How old do you have to be to fly from Dublin Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Dublin to Ko Samui?
Based on momondo bookings for flights between Dublin and Ko Samui, the leading airline is Etihad Airways, making up 50% of the total bookings. Other popular airlines include Qatar Airways with 50%.

Best airlines flying from Dublin to Ko Samui

Compare and see reviews for airlines that fly from Dublin to Ko Samui with momondo

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom €518	Free Cancellation	Rating 7.3 1,555 reviews		Search Etihad Airways flights
Qatar Airways	PriceFrom €788	Free Cancellation	Rating 7.4 3,707 reviews		Search Qatar Airways flights

Ko Tao

Ko Pha Ngan

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Ko Samui?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Ko Samui for you.

Can I find flights from Dublin to Ko Samui with flexible booking policies on momondo?

Flights from Dublin to Ko Samui with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Dublin to Ko Samui?

momondo provides multiple filters to help you find the best flight to Ko Samui from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Dublin to Ko Samui right now. Can momondo alert me if prices change?

Price alerts on flights to Ko Samui from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Dublin to Ko Samui from €469

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Ko Samui departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Dublin to Ko Samui

Our best Qatar Airways deals on Dublin to Ko Samui flight tickets

British Airways flights from Dublin to Ko Samui

Our best British Airways deals on Dublin to Ko Samui flight tickets

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How to get the cheapest flight ticket from Dublin to Ko Samui

What is the cheapest month to fly to Ko Samui?

What is the cheapest airline that flies from Dublin to Ko Samui?

How often are flights from Dublin to Ko Samui delayed?

What is the most punctual flight time for Dublin to Ko Samui flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Dublin to Ko Samui flights?

When to book flights from Dublin to Ko Samui

Cheap Dublin to Ko Samui (DUB to USM) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Dublin to Ko Samui

Best airlines flying from Dublin to Ko Samui

Compare and see reviews for airlines that fly from Dublin to Ko Samui with momondo

Travelling to a place near Ko Samui?

Why use momondo?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

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