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

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

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

How often are flights from Ireland to Ko Samui delayed?

Historically, on average around 8% 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 134 minutes.

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

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

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 18h 55m and 20h 35m, respectively.

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

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

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 October 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.

€388 Cheap Flights from Ireland to Ko Samui in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to Ko Samui

Return

One-way

Last minute

Recent return flight deals from Ireland to Ko Samui

Enter your travel dates to find the best prices.

09:00 - 08:25DUB Dublin-USM Ko Samui

40h 25m2 stops Shanghai Pu Dong Phuket City

11:10 - 06:15USM Ko Samui-DUB Dublin

26h 05m2 stops Phuket City Shanghai Pu Dong

€722Multiple Airlines

Mon, 30 Nov - Sun, 13 Dec

07:10 - 18:25DUB Dublin-USM Ko Samui

28h 15m3 stops Brussels Bruxelles-National Beijing Capital Phuket City

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

30h 25m2 stops Bangkok Suvarnabhumi Manchester

€738Multiple Airlines

Mon, 30 Nov - Sun, 13 Dec

08:05 - 18:25DUB Dublin-USM Ko Samui

27h 20m2 stops Abu Dhabi Zayed Intl Phuket City

07:00 - 06:30USM Ko Samui-DUB Dublin

30h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€766Multiple Airlines

Mon, 9 Nov - Mon, 16 Nov

07:10 - 18:25DUB Dublin-USM Ko Samui

28h 15m3 stops Brussels Bruxelles-National Beijing Capital Phuket City

17:00 - 12:05USM Ko Samui-DUB Dublin

26h 05m3 stops Krabi Kastrup Copenhagen Amsterdam Schiphol

€787Multiple Airlines

Mon, 30 Nov - Sun, 13 Dec

14:05 - 10:40DUB Dublin-USM Ko Samui

37h 35m2 stops Doha Hamad Intl Phuket City

19:00 - 12:35USM Ko Samui-DUB Dublin

24h 35m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

€860Qatar Airways

Mon, 9 Nov - Sun, 22 Nov

14:05 - 16:00DUB Dublin-USM Ko Samui

18h 55m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

20:40 - 12:35USM Ko Samui-DUB Dublin

22h 55m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

€866Qatar Airways

Fri, 12 Feb - Sat, 20 Feb

07:45 - 11:55DUB Dublin-USM Ko Samui

21h 10m2 stops Doha Hamad Intl Phuket City

12:30 - 06:00USM Ko Samui-DUB Dublin

24h 30m2 stops Phuket City Doha Hamad Intl

€983Qatar Airways

Fri, 6 Nov - Tue, 10 Nov

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

24h 05m2 stops Abu Dhabi Zayed Intl Phuket City

10:00 - 06:30USM Ko Samui-DUB Dublin

27h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€2,580Etihad Airways

Thu, 14 Jan - Thu, 28 Jan

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

24h 05m2 stops Abu Dhabi Zayed Intl Phuket City

10:00 - 06:30USM Ko Samui-DUB Dublin

27h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€2,584Etihad Airways

Thu, 14 Jan - Thu, 28 Jan

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

24h 05m2 stops Abu Dhabi Zayed Intl Phuket City

10:00 - 06:30USM Ko Samui-DUB Dublin

27h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€2,585Etihad Airways

Thu, 14 Jan - Thu, 28 Jan

Recent last minute flight deals from Ireland to Ko Samui

Enter your travel dates to find the best prices.

21:20 - 08:10DUB Dublin-USM Ko Samui

27h 50m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

06:45 - 06:30USM Ko Samui-DUB Dublin

30h 45m2 stops Bangkok Don Mueang Intl Abu Dhabi Zayed Intl

€767Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

07:45 - 18:25DUB Dublin-USM Ko Samui

27h 40m2 stops Doha Hamad Intl Phuket City

15:05 - 11:45USM Ko Samui-DUB Dublin

27h 40m3 stops Phuket City Sharjah London Gatwick

€789Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

21:20 - 08:10DUB Dublin-USM Ko Samui

27h 50m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

15:05 - 11:45USM Ko Samui-DUB Dublin

27h 40m3 stops Phuket City Sharjah London Gatwick

€802Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

07:45 - 10:40DUB Dublin-USM Ko Samui

19h 55m2 stops Doha Hamad Intl Phuket City

14:25 - 06:00USM Ko Samui-DUB Dublin

22h 35m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

€817Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

07:45 - 17:30DUB Dublin-USM Ko Samui

26h 45m2 stops Doha Hamad Intl Phuket City

07:00 - 06:30USM Ko Samui-DUB Dublin

30h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€830Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

06:10 - 07:35DUB Dublin-USM Ko Samui

18h 25m2 stops Istanbul Bangkok Suvarnabhumi

07:00 - 22:30USM Ko Samui-DUB Dublin

22h 30m2 stops Bangkok Suvarnabhumi Istanbul

€858Turkish Airlines

Thu, 29 Oct - Wed, 11 Nov

09:55 - 18:25DUB Dublin-USM Ko Samui

25h 30m2 stops Paris Charles de Gaulle Phuket City

08:15 - 12:40USM Ko Samui-DUB Dublin

35h 25m3 stops Phuket City Kuala Lumpur Intl Amsterdam Schiphol

€858Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

09:55 - 17:30DUB Dublin-USM Ko Samui

24h 35m2 stops Paris Charles de Gaulle Phuket City

15:50 - 12:40USM Ko Samui-DUB Dublin

27h 50m3 stops Phuket City Kuala Lumpur Intl Amsterdam Schiphol

€862Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

06:55 - 10:40DUB Dublin-USM Ko Samui

20h 45m2 stops Frankfurt am Main Phuket City

07:00 - 21:45USM Ko Samui-DUB Dublin

21h 45m2 stops Bangkok Suvarnabhumi London Gatwick

€903Multiple Airlines

Thu, 29 Oct - Wed, 11 Nov

08:05 - 18:25DUB Dublin-USM Ko Samui

27h 20m2 stops Abu Dhabi Zayed Intl Phuket City

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

28h 00m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

€1,125Etihad Airways

Thu, 29 Oct - Wed, 11 Nov

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Qatar Airways flights from Ireland to Ko Samui

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

Qatar Airways

9 Nov

DUB14:05Dublin

37h 35m

2 stops

USM10:40Ko Samui

22 Nov

USM19:00Ko Samui

24h 35m

2 stops

DUB12:35Dublin

€860

Qatar Airways

12 Feb

DUB14:05Dublin

18h 55m

2 stops

USM16:00Ko Samui

20 Feb

USM20:40Ko Samui

22h 55m

2 stops

DUB12:35Dublin

€866

Qatar Airways

6 Nov

DUB07:45Dublin

21h 10m

2 stops

USM11:55Ko Samui

10 Nov

USM12:30Ko Samui

24h 30m

2 stops

DUB06:00Dublin

€983

KLM flights from Ireland to Ko Samui

Our best KLM deals on Ireland to Ko Samui flight tickets

KLM

6 Nov

ORK05:40Cork

24h 50m

2 stops

USM13:30Ko Samui

20 Nov

USM07:55Ko Samui

33h 45m

2 stops

ORK10:40Cork

€1,152

KLM

6 Nov

ORK05:40Cork

24h 50m

2 stops

USM13:30Ko Samui

20 Nov

USM08:30Ko Samui

33h 10m

2 stops

ORK10:40Cork

€1,226

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 30/11

09:00-08:25

2 stops40h 25m

Ko Samui

Sun 13/12

11:10-06:15

2 stops26h 05m

€722

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 30/11

07:10-18:25

3 stops28h 15m

Ko Samui

Sun 13/12

20:20-19:45

2 stops30h 25m

€738

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 9/11

08:05-18:25

2 stops27h 20m

Ko Samui

Mon 16/11

07:00-06:30

2 stops30h 30m

€766

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 30/11

07:10-18:25

3 stops28h 15m

Ko Samui

Sun 13/12

17:00-12:05

3 stops26h 05m

€787

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 9/11

14:05-10:40

2 stops37h 35m

Ko Samui

Sun 22/11

19:00-12:35

2 stops24h 35m

€860

Fastest return journey

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 12/2

14:05-16:00

2 stops18h 55m

Ko Samui

Sat 20/2

20:40-12:35

2 stops22h 55m

€866

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 6/11

07:45-11:55

2 stops21h 10m

Ko Samui

Tue 10/11

12:30-06:00

2 stops24h 30m

€983

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 14/1

08:05-15:10

2 stops24h 05m

Ko Samui

Thu 28/1

10:00-06:30

2 stops27h 30m

€2,580

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 14/1

08:05-15:10

2 stops24h 05m

Ko Samui

Thu 28/1

10:00-06:30

2 stops27h 30m

€2,584

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 14/1

08:05-15:10

2 stops24h 05m

Ko Samui

Thu 28/1

10:00-06:30

2 stops27h 30m

€2,585

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 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 €868.

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	€388
Fastest flight time	18h 55m
Direct flights	None

The best one-way flight to Ko Samui from Ireland in the past 72 hours is €388. The best return flight deal from Ireland to Ko Samui found on momondo in the last 72 hours is €722.

The fastest flight from Ireland to Ko Samui takes 18h 55m

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 October 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 €516	Free Cancellation	Rating 7.3 1,548 reviews		Search Etihad Airways flights
Qatar Airways	PriceFrom €784	Free Cancellation	Rating 7.3 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 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 €388

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

Recent last minute 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

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Price Alerts

Qatar Airways flights from Ireland to Ko Samui

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

KLM flights from Ireland to Ko Samui

Our best KLM 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.

See travel insights to Ko Samui from

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

Airports servicing Thailand

Fly your favourite airline to Ko Samui

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