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

Lufthansa, Etihad Airways, and SWISS are the most popular carriers 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 23h 50m and 37h 40m, 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.

€345 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

08:45 - 21:05DUB-USM

29h 20m2 stops

07:00 - 08:05USM-DUB

32h 05m2 stops

€693

Find Deal

Mon, 27 Oct - Mon, 3 Nov

16:45 - 21:05DUB-USM

21h 20m2 stops

08:30 - 22:55USM-DUB

21h 25m2 stops

€720Air France

Find Deal

Mon, 27 Oct - Tue, 11 Nov

07:45 - 17:30DUB-USM

26h 45m2 stops

19:00 - 19:50USM-DUB

31h 50m2 stops

€819Qatar Airways

Find Deal

Tue, 25 Nov - Fri, 5 Dec

13:20 - 21:05DUB-USM

24h 45m2 stops

10:00 - 12:05USM-DUB

33h 05m2 stops

€821SWISS

Find Deal

Fri, 6 Mar - Fri, 27 Mar

07:45 - 17:30DUB-USM

26h 45m2 stops

08:15 - 12:35USM-DUB

35h 20m2 stops

€826Qatar Airways

Find Deal

Tue, 25 Nov - Tue, 9 Dec

18:35 - 10:40DUB-USM

33h 05m2 stops

16:25 - 12:05USM-DUB

26h 40m2 stops

€836SWISS

Find Deal

Thu, 27 Nov - Mon, 8 Dec

08:10 - 07:45DUB-USM

40h 35m2 stops

17:05 - 18:15USM-DUB

32h 10m2 stops

€885Etihad Airways

Find Deal

Sat, 29 Nov - Thu, 4 Dec

08:10 - 12:35DUB-USM

21h 25m2 stops

19:00 - 18:15USM-DUB

30h 15m2 stops

€911Etihad Airways

Find Deal

Fri, 28 Nov - Thu, 4 Dec

06:25 - 18:15DUB-USM

28h 50m2 stops

16:25 - 09:40USM-DUB

24h 15m2 stops

€957Turkish Airlines

Find Deal

Tue, 25 Nov - Sun, 7 Dec

07:20 - 18:15DUB-USM

27h 55m2 stops

17:05 - 15:30USM-DUB

29h 25m2 stops

€979Turkish Airlines

Find Deal

Fri, 28 Nov - Thu, 4 Dec

SWISS flights from Ireland to Ko Samui

Our best SWISS deals on Ireland to Ko Samui flight tickets

SWISS

6 Mar

DUB13:20Dublin

24h 45m

2 stops

USM21:05Ko Samui

27 Mar

USM10:00Ko Samui

33h 05m

2 stops

DUB12:05Dublin

€821

Find similar

SWISS

27 Nov

DUB18:35Dublin

33h 05m

2 stops

USM10:40Ko Samui

8 Dec

USM16:25Ko Samui

26h 40m

2 stops

DUB12:05Dublin

€836

Find similar

SWISS

27 Dec

DUB18:35Dublin

39h 05m

2 stops

USM16:40Ko Samui

10 Jan

USM10:00Ko Samui

34h 15m

3 stops

DUB13:15Dublin

€1,683

Find similar

Air France flights from Ireland to Ko Samui

Our best Air France deals on Ireland to Ko Samui flight tickets

Air France

27 Oct

DUB16:45Dublin

21h 20m

2 stops

USM21:05Ko Samui

11 Nov

USM08:30Ko Samui

21h 25m

2 stops

DUB22:55Dublin

€720

Find similar

Air France

6 Nov

DUB16:45Dublin

37h 20m

2 stops

USM13:05Ko Samui

19 Nov

USM16:25Ko Samui

30h 20m

2 stops

DUB15:45Dublin

€725

Find similar

Air France

26 Nov

DUB06:00Dublin

32h 05m

2 stops

USM21:05Ko Samui

6 Dec

USM11:40Ko Samui

27h 10m

2 stops

DUB07:50Dublin

€775

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 27/10

08:45-21:05

2 stops29h 20m

Ko Samui

Mon 3/11

07:00-08:05

2 stops32h 05m

€693

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 27/10

16:45-21:05

2 stops21h 20m

Ko Samui

Tue 11/11

08:30-22:55

2 stops21h 25m

€720

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 25/11

07:45-17:30

2 stops26h 45m

Ko Samui

Fri 5/12

19:00-19:50

2 stops31h 50m

€818

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 6/3

13:20-21:05

2 stops24h 45m

Ko Samui

Fri 27/3

10:00-12:05

2 stops33h 05m

€821

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 25/11

07:45-17:30

2 stops26h 45m

Ko Samui

Tue 9/12

08:15-12:35

2 stops35h 20m

€826

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/11

18:35-10:40

2 stops33h 05m

Ko Samui

Mon 8/12

16:25-12:05

2 stops26h 40m

€836

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 29/11

08:10-07:45

2 stops40h 35m

Ko Samui

Thu 4/12

17:05-18:15

2 stops32h 10m

€885

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 28/11

08:10-12:35

2 stops21h 25m

Ko Samui

Thu 4/12

19:00-18:15

2 stops30h 15m

€911

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 25/11

06:25-18:15

2 stops28h 50m

Ko Samui

Sun 7/12

16:25-09:40

2 stops24h 15m

€957

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 28/11

07:20-18:15

2 stops27h 55m

Ko Samui

Thu 4/12

17:05-15:30

2 stops29h 25m

€979

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 €812.

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 €572. Flights from Ireland to Ko Samui on a Sunday will generally be more expensive and average around €736. 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 €531. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €598.

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 €528	Free Cancellation	Rating 7.4 3,624 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 €448

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 14/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Air France flights from Ireland to Ko Samui

Our best Air France 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 €812.

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?

Lufthansa, Etihad Airways, and SWISS are the most popular carriers 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 23h 50m and 37h 40m, 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