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

Turkish Airlines is the most popular carrier operating from Ireland to Ko Samui

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 19h 55m and 54h 05m, respectively.

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 2025, there is 1 operator 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.

€347 Cheap Flights from Ireland to Ko Samui in 2025

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Find the cheapest flights from Ireland to Ko Samui

Round-trip

One-way

Recent return flight deals from Ireland to Ko Samui

13:25 - 18:55DUB-USM

22h 30m2 stops

11:40 - 07:50USM-DUB

27h 10m2 stops

€738

Find Deal

Tue, 24 Feb - Tue, 10 Mar

17:55 - 21:05DUB-USM

20h 10m2 stops

16:25 - 08:35USM-DUB

23h 10m2 stops

€781Lufthansa

Find Deal

Mon, 12 Jan - Thu, 22 Jan

15:00 - 20:30DUB-USM

23h 30m3 stops

08:00 - 13:30USM-DUB

35h 30m3 stops

€824

Find Deal

Fri, 17 Oct - Fri, 24 Oct

15:00 - 10:30DUB-USM

37h 30m2 stops

19:00 - 07:00USM-DUB

42h 00m2 stops

€841Qatar Airways

Find Deal

Fri, 17 Oct - Fri, 24 Oct

08:45 - 10:35DUB-USM

18h 50m2 stops

07:15 - 22:10USM-DUB

21h 55m2 stops

€1,553

Find Deal

Sat, 20 Dec - Sat, 27 Dec

12:55 - 21:05DUB-USM

25h 10m2 stops

09:20 - 13:15USM-DUB

34h 55m3 stops

€1,774SWISS

Find Deal

Sat, 20 Dec - Sat, 27 Dec

12:55 - 21:05DUB-USM

25h 10m2 stops

09:20 - 13:15USM-DUB

34h 55m3 stops

€1,796SWISS

Find Deal

Sat, 20 Dec - Sat, 27 Dec

17:15 - 12:40ORK-USM

36h 25m3 stops

20:20 - 23:25USM-ORK

34h 05m3 stops

€3,166KLM

Find Deal

Mon, 17 Nov - Mon, 1 Dec

15:25 - 21:10ORK-USM

23h 45m2 stops

16:25 - 14:40USM-ORK

52h 15m2 stops

€3,202Air France

Find Deal

Thu, 18 Sep - Mon, 22 Sep

11:55 - 17:40ORK-USM

22h 45m3 stops

17:40 - 11:10USM-ORK

24h 30m3 stops

€5,103Qatar Airways

Find Deal

Wed, 3 Dec - Wed, 17 Dec

SWISS flights from Ireland to Ko Samui

Our best SWISS deals on Ireland to Ko Samui flight tickets

SWISS

20 Dec

DUB12:55Dublin

25h 10m

2 stops

USM21:05Ko Samui

27 Dec

USM09:20Ko Samui

34h 55m

3 stops

DUB13:15Dublin

€1,774

Find similar

SWISS

20 Dec

DUB12:55Dublin

25h 10m

2 stops

USM21:05Ko Samui

27 Dec

USM09:20Ko Samui

34h 55m

3 stops

DUB13:15Dublin

€1,796

Find similar

SWISS

24 Feb

DUB12:55Dublin

73h 10m

3 stops

USM21:05Ko Samui

10 Mar

USM16:25Ko Samui

26h 35m

2 stops

DUB12:00Dublin

€3,503

Find similar

Qatar Airways flights from Ireland to Ko Samui

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

Qatar Airways

11 Sept

DUB08:15Dublin

28h 00m

2 stops

USM18:15Ko Samui

24 Sept

USM08:00Ko Samui

28h 45m

2 stops

DUB06:45Dublin

€807

Find similar

Qatar Airways

17 Oct

DUB15:00Dublin

37h 30m

2 stops

USM10:30Ko Samui

24 Oct

USM19:00Ko Samui

42h 00m

2 stops

DUB07:00Dublin

€841

Find similar

Qatar Airways

3 Dec

ORK11:55Cork

22h 45m

3 stops

USM17:40Ko Samui

17 Dec

USM17:40Ko Samui

24h 30m

3 stops

ORK11:10Cork

€5,103

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 24/2

13:25-18:55

2 stops22h 30m

Ko Samui

Tue 10/3

11:40-07:50

2 stops27h 10m

€738

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 12/1

17:55-21:05

2 stops20h 10m

Ko Samui

Thu 22/1

16:25-08:35

2 stops23h 10m

€781

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 17/10

15:00-20:30

3 stops23h 30m

Ko Samui

Fri 24/10

08:00-13:30

3 stops35h 30m

€824

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 17/10

15:00-10:30

2 stops37h 30m

Ko Samui

Fri 24/10

19:00-07:00

2 stops42h 00m

€841

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 20/12

08:45-10:35

2 stops18h 50m

Ko Samui

Sat 27/12

07:15-22:10

2 stops21h 55m

€1,553

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 20/12

12:55-21:05

2 stops25h 10m

Ko Samui

Sat 27/12

09:20-13:15

3 stops34h 55m

€1,774

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 20/12

12:55-21:05

2 stops25h 10m

Ko Samui

Sat 27/12

09:20-13:15

3 stops34h 55m

€1,796

CorkKo Samui

ORK - USM

ORKUSM

Cork

Mon 17/11

17:15-12:40

3 stops36h 25m

Ko Samui

Mon 1/12

20:20-23:25

3 stops34h 05m

€3,166

CorkKo Samui

ORK - USM

ORKUSM

Cork

Thu 18/9

15:25-21:10

2 stops23h 45m

Ko Samui

Mon 22/9

16:25-14:40

2 stops52h 15m

€3,202

CorkKo Samui

ORK - USM

ORKUSM

Cork

Wed 3/12

11:55-17:40

3 stops22h 45m

Ko Samui

Wed 17/12

17:40-11:10

3 stops24h 30m

€5,103

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

Other information

What is the cheapest month to fly to Ko Samui?

If you aren’t able to travel during the month of November, then book flights to Ko Samui from Ireland during April instead. Flights to Ko Samui in April, while not as cheap as those in November, still average around €816.

What is the cheapest day to depart on your flight to Ko Samui?

The cheapest day to depart from Ireland to Ko Samui is on a Thursday when prices can be found for as low as €575. Flights from Ireland to Ko Samui on a Sunday will generally be more expensive and average around €740. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Ireland to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as €534. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €602.

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

Direct flights	None

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

Search flight deals

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 2025, there is 1 operator 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
Qatar Airways	PriceFrom €531	Free Cancellation	Rating 7.4 3,616 reviews		Search Qatar Airways flights

Ko Pha Ngan

Ko Tao

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.

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.

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Cheap flights from Ireland to Ko Samui from €437

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 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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

SWISS flights from Ireland to Ko Samui

Our best SWISS 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

momondo Fare Finder

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

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

What is the cheapest month to fly to Ko Samui?

If you aren’t able to travel during the month of November, then book flights to Ko Samui from Ireland during April instead. Flights to Ko Samui in April, while not as cheap as those in November, still average around €816.

What is the cheapest day to depart on your flight to Ko Samui?

What is the cheapest time of day to depart on your flight to Ko Samui?

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

Turkish Airlines is the most popular carrier operating from Ireland to Ko Samui

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 19h 55m and 54h 05m, respectively.

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

Direct flights

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

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

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

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

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?

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

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

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

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

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