How long does it take to fly to Ko Samui?

If you’re flying from a popular airport in Ireland, such as Dublin or Cork, and flying into Ko Samui, then you can expect flight times to average 17h 50m and 30h 25m, respectively.

Which airline has the best punctuality record on Ireland 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.

What is the most punctual flight time for Ireland 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 is the cheapest airline that flies from Ireland to Ko Samui?

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

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.

How often are flights from Ireland to Ko Samui delayed?

Historically, on average around 11% of flights between Ireland and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 169 minutes.

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

Prices for flights from Ireland to Ko Samui Airport are updated daily.

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

As of September 2026, there are 2 operators available to choose from for flights from Ireland to Ko Samui Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Ko Samui Airport.

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

The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€521 Cheap Flights from Ireland to Ko Samui in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to Ko Samui

Return

One-way

Recent return flight deals from Ireland to Ko Samui

Enter your travel dates to find the best prices.

06:35 - 16:55DUB Dublin-USM Ko Samui

28h 20m3 stops Brussels Bruxelles-National Chengdu Tianfu Intl Phuket City

11:25 - 07:15USM Ko Samui-DUB Dublin

25h 50m2 stops Phuket City Abu Dhabi Zayed Intl

€731Multiple Airlines

Sun, 20 Sep - Mon, 5 Oct

06:30 - 18:00DUB Dublin-USM Ko Samui

29h 30m3 stops Brussels Bruxelles-National Chengdu Tianfu Intl Phuket City

11:25 - 07:15USM Ko Samui-DUB Dublin

25h 50m2 stops Phuket City Abu Dhabi Zayed Intl

€737Multiple Airlines

Sun, 20 Sep - Mon, 5 Oct

09:00 - 18:00DUB Dublin-USM Ko Samui

27h 00m2 stops Abu Dhabi Zayed Intl Phuket City

11:25 - 07:15USM Ko Samui-DUB Dublin

25h 50m2 stops Phuket City Abu Dhabi Zayed Intl

€743Multiple Airlines

Sun, 20 Sep - Mon, 5 Oct

09:00 - 10:40DUB Dublin-USM Ko Samui

42h 40m2 stops Shanghai Pu Dong Phuket City

21:10 - 06:15USM Ko Samui-DUB Dublin

40h 05m2 stops Bangkok Suvarnabhumi Shanghai Pu Dong

€752Multiple Airlines

Mon, 18 Jan - Mon, 25 Jan

08:15 - 11:40DUB Dublin-USM Ko Samui

21h 25m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

15:20 - 06:45USM Ko Samui-DUB Dublin

21h 25m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

€812Qatar Airways

Sun, 20 Sep - Mon, 5 Oct

20:35 - 08:25DUB Dublin-USM Ko Samui

29h 50m2 stops Abu Dhabi Zayed Intl Phuket City

16:25 - 07:15USM Ko Samui-DUB Dublin

20h 50m2 stops Singapore Changi Abu Dhabi Zayed Intl

€851Etihad Airways

Thu, 17 Sep - Thu, 1 Oct

08:15 - 20:25DUB Dublin-USM Ko Samui

30h 10m2 stops Doha Hamad Intl Phuket City

19:00 - 06:45USM Ko Samui-DUB Dublin

17h 45m2 stops Phuket City Doha Hamad Intl

€859Qatar Airways

Sun, 20 Sep - Mon, 5 Oct

20:35 - 08:25DUB Dublin-USM Ko Samui

29h 50m2 stops Abu Dhabi Zayed Intl Phuket City

16:25 - 07:15USM Ko Samui-DUB Dublin

20h 50m2 stops Singapore Changi Abu Dhabi Zayed Intl

€865Etihad Airways

Thu, 17 Sep - Thu, 1 Oct

20:35 - 08:25DUB Dublin-USM Ko Samui

29h 50m2 stops Abu Dhabi Zayed Intl Phuket City

08:00 - 07:15USM Ko Samui-DUB Dublin

29h 15m2 stops Phuket City Abu Dhabi Zayed Intl

€878Etihad Airways

Thu, 17 Sep - Thu, 1 Oct

17:35 - 09:20ORK Cork-USM Ko Samui

32h 45m3 stops London Heathrow Doha Hamad Intl Bangkok Suvarnabhumi

15:50 - 11:10USM Ko Samui-ORK Cork

26h 20m3 stops Phuket City Doha Hamad Intl London Heathrow

€1,218Qatar Airways

Fri, 6 Nov - Fri, 20 Nov

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Emirates flights from Ireland to Ko Samui

Our best Emirates deals on Ireland to Ko Samui flight tickets

Emirates

6 Nov

DUB13:10Dublin

21h 20m

2 stops

USM17:30Ko Samui

10 Nov

USM08:15Ko Samui

29h 10m

2 stops

DUB06:25Dublin

€931

Emirates

6 Nov

DUB13:10Dublin

21h 20m

2 stops

USM17:30Ko Samui

10 Nov

USM08:15Ko Samui

34h 05m

2 stops

DUB11:20Dublin

€934

Qatar Airways flights from Ireland to Ko Samui

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

Qatar Airways

20 Sept

DUB08:15Dublin

21h 25m

2 stops

USM11:40Ko Samui

5 Oct

USM15:20Ko Samui

21h 25m

2 stops

DUB06:45Dublin

€812

Qatar Airways

20 Sept

DUB08:15Dublin

30h 10m

2 stops

USM20:25Ko Samui

5 Oct

USM19:00Ko Samui

17h 45m

2 stops

DUB06:45Dublin

€859

Qatar Airways

6 Nov

ORK17:35Cork

32h 45m

3 stops

USM09:20Ko Samui

20 Nov

USM15:50Ko Samui

26h 20m

3 stops

ORK11:10Cork

€1,218

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Sun 20/9

06:35-16:55

3 stops28h 20m

Ko Samui

Mon 5/10

11:25-07:15

2 stops25h 50m

€731

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Sun 20/9

06:30-18:00

3 stops29h 30m

Ko Samui

Mon 5/10

11:25-07:15

2 stops25h 50m

€737

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Sun 20/9

09:00-18:00

2 stops27h 00m

Ko Samui

Mon 5/10

11:25-07:15

2 stops25h 50m

€743

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 18/1

09:00-10:40

2 stops42h 40m

Ko Samui

Mon 25/1

21:10-06:15

2 stops40h 05m

€752

Fastest return journey

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Sun 20/9

08:15-11:40

2 stops21h 25m

Ko Samui

Mon 5/10

15:20-06:45

2 stops21h 25m

€812

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 17/9

20:35-08:25

2 stops29h 50m

Ko Samui

Thu 1/10

16:25-07:15

2 stops20h 50m

€851

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Sun 20/9

08:15-20:25

2 stops30h 10m

Ko Samui

Mon 5/10

19:00-06:45

2 stops17h 45m

€859

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 17/9

20:35-08:25

2 stops29h 50m

Ko Samui

Thu 1/10

16:25-07:15

2 stops20h 50m

€865

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 17/9

20:35-08:25

2 stops29h 50m

Ko Samui

Thu 1/10

08:00-07:15

2 stops29h 15m

€878

CorkKo Samui

ORK Cork - USM Ko Samui

ORKUSM

Cork

Fri 6/11

17:35-09:20

3 stops32h 45m

Ko Samui

Fri 20/11

15:50-11:10

3 stops26h 20m

€1,218

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland 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

Other information

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 Ireland during September instead. Flights to Ko Samui in September, while not as cheap as those in April, still average around €836.

Cheap Ireland to Ko Samui flight deals and tips

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

Best price found	€521
Fastest flight time	17h 50m
Direct flights	None

The best one-way flight to Ko Samui from Ireland in the past 72 hours is €521. The best return flight deal from Ireland to Ko Samui found on momondo in the last 72 hours is €731.

The fastest flight from Ireland to Ko Samui takes 17h 50m

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

Search flight deals

Frequently asked questions about flying from Ireland to Ko Samui

When did momondo last update prices for flights from Ireland to Ko Samui Airport?
Prices for flights from Ireland to Ko Samui Airport are updated daily.
How many operators does momondo search for flights from Ireland to Ko Samui Airport?
As of September 2026, there are 2 operators available to choose from for flights from Ireland to Ko Samui Airport.
How old do you have to be to fly from Ireland to Ko Samui Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ireland to Ko Samui

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

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom €497	Free Cancellation	Rating 7.3 1,533 reviews		Search Etihad Airways flights
Qatar Airways	PriceFrom €863	Free Cancellation	Rating 7.3 3,734 reviews		Search Qatar Airways flights

Ko Tao

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Ko Samui. momondo saves you time and could save you money on your trip.

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

Flights from Ireland 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 Ireland to Ko Samui?

Once you have performed a search for Ireland to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Ko Samui from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Ireland to Ko Samui from €521

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Ko Samui departing on 6/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ireland to Ko Samui

Recent return flight deals from Ireland to Ko Samui

Recent one-way flight deals from Ireland to Ko Samui

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Emirates flights from Ireland to Ko Samui

Our best Emirates deals on Ireland to Ko Samui flight tickets

Qatar Airways flights from Ireland to Ko Samui

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

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Use the filters below to find and compare flights from Ireland to Ko Samui that are best for you.

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

What is the cheapest month to fly to Ko Samui?

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

How often are flights from Ireland to Ko Samui delayed?

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

How long does it take to fly to Ko Samui?

Cheap Ireland to Ko Samui flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ireland to Ko Samui

Best airlines flying from Ireland to Ko Samui

Compare and see reviews for airlines that fly from Ireland 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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Fly your favourite airline to Ko Samui

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