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 20m and 22h 55m, respectively.

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 at night have, in the past, seen delays more frequently in comparison.

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

According to our data, JetBlue 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 120 minutes.

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

Tuesday 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 December 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.

€344 Cheap Flights from Ireland to Ko Samui in 2025/26

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Find the cheapest flights from Ireland to Ko Samui

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One-way

Recent return flight deals from Ireland to Ko Samui

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06:30 - 08:00

DUB

USM

42h 30m3 stops

19:00 - 20:55

USM

DUB

32h 55m3 stops

€738Multiple Airlines

Sun, 22 Feb - Mon, 9 Mar

13:25 - 13:45

DUB

USM

18h 20m2 stops

08:45 - 22:25

USM

DUB

19h 40m2 stops

€759KLM

Wed, 3 Jun - Sat, 20 Jun

06:25 - 19:45

DUB

USM

30h 20m3 stops

18:15 - 17:15

USM

DUB

30h 00m3 stops

€782Multiple Airlines

Tue, 10 Feb - Tue, 17 Feb

08:10 - 20:35

DUB

USM

29h 25m2 stops

08:50 - 18:15

USM

DUB

40h 25m2 stops

€792Multiple Airlines

Mon, 26 Jan - Mon, 9 Feb

19:50 - 07:10

DUB

USM

28h 20m2 stops

19:00 - 06:25

USM

DUB

42h 25m2 stops

€804Etihad Airways

Fri, 13 Mar - Tue, 17 Mar

19:50 - 21:20

DUB

USM

18h 30m2 stops

08:50 - 18:15

USM

DUB

40h 25m2 stops

€807Multiple Airlines

Sun, 22 Feb - Mon, 9 Mar

11:10 - 18:40

DUB

USM

24h 30m2 stops

12:25 - 19:15

USM

DUB

37h 50m3 stops

€809Multiple Airlines

Fri, 13 Mar - Tue, 17 Mar

16:45 - 13:05

DUB

USM

37h 20m2 stops

11:40 - 08:00

USM

DUB

27h 20m2 stops

€811Air France

Sun, 25 Jan - Sun, 1 Feb

06:00 - 21:05

ORK

USM

32h 05m2 stops

11:55 - 10:20

USM

ORK

28h 25m2 stops

€985KLM

Mon, 16 Mar - Wed, 1 Apr

11:55 - 18:15

ORK

USM

23h 20m3 stops

17:40 - 11:10

USM

ORK

24h 30m3 stops

€1,543Qatar Airways

Sat, 10 Jan - Sat, 17 Jan

Air France flights from Ireland to Ko Samui

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

Air France

25 Jan

DUB16:45Dublin

37h 20m

2 stops

USM13:05Ko Samui

1 Feb

USM11:40Ko Samui

27h 20m

2 stops

DUB08:00Dublin

€811

Find similar

Air France

11 Jan

DUB08:45Dublin

45h 20m

2 stops

USM13:05Ko Samui

18 Jan

USM11:40Ko Samui

27h 20m

2 stops

DUB08:00Dublin

€930

Find similar

Air France

3 Jan

DUB08:45Dublin

19h 10m

2 stops

USM10:55Ko Samui

17 Jan

USM11:40Ko Samui

27h 10m

2 stops

DUB07:50Dublin

€1,357

Find similar

Etihad Airways flights from Ireland to Ko Samui

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

Etihad Airways

13 Mar

DUB19:50Dublin

28h 20m

2 stops

USM07:10Ko Samui

17 Mar

USM19:00Ko Samui

42h 25m

2 stops

DUB06:25Dublin

€804

Find similar

Etihad Airways

23 May

DUB20:25Dublin

28h 45m

2 stops

USM07:10Ko Samui

27 May

USM20:50Ko Samui

28h 05m

2 stops

DUB18:55Dublin

€857

Find similar

Etihad Airways

23 May

DUB20:25Dublin

28h 45m

2 stops

USM07:10Ko Samui

27 May

USM20:50Ko Samui

28h 05m

2 stops

DUB18:55Dublin

€858

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 22/2

06:30-08:00

3 stops42h 30m

Ko Samui

Mon 9/3

19:00-20:55

3 stops32h 55m

€738

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 3/6

13:25-13:45

2 stops18h 20m

Ko Samui

Sat 20/6

08:45-22:25

2 stops19h 40m

€759

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 10/2

06:25-19:45

3 stops30h 20m

Ko Samui

Tue 17/2

18:15-17:15

3 stops30h 00m

€782

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 26/1

08:10-20:35

2 stops29h 25m

Ko Samui

Mon 9/2

08:50-18:15

2 stops40h 25m

€792

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 13/3

19:50-07:10

2 stops28h 20m

Ko Samui

Tue 17/3

19:00-06:25

2 stops42h 25m

€804

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 22/2

19:50-21:20

2 stops18h 30m

Ko Samui

Mon 9/3

08:50-18:15

2 stops40h 25m

€807

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 13/3

11:10-18:40

2 stops24h 30m

Ko Samui

Tue 17/3

12:25-19:15

3 stops37h 50m

€809

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 25/1

16:45-13:05

2 stops37h 20m

Ko Samui

Sun 1/2

11:40-08:00

2 stops27h 20m

€811

CorkKo Samui

ORK - USM

ORKUSM

Cork

Mon 16/3

06:00-21:05

2 stops32h 05m

Ko Samui

Wed 1/4

11:55-10:20

2 stops28h 25m

€985

CorkKo Samui

ORK - USM

ORKUSM

Cork

Sat 10/1

11:55-18:15

3 stops23h 20m

Ko Samui

Sat 17/1

17:40-11:10

3 stops24h 30m

€1,543

Flights are sorted by cheapest return flights first.

Sorted 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

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 €842.

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 €570. Flights from Ireland to Ko Samui on a Sunday will generally be more expensive and average around €733. 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 €529. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €596.

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

Fastest flight time	21h 25m
Direct flights	None

The fastest flight from Ireland to Ko Samui takes 21h 25m

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 December 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 €526	Free Cancellation	Rating 7.4 3,697 reviews		Search Qatar Airways flights

Ko Pha Ngan

Ko Tao

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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

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Cheap flights from Ireland to Ko Samui from €738

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Ko Samui departing on 22/2. 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

Air France flights from Ireland to Ko Samui

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

Etihad Airways flights from Ireland to Ko Samui

Our best Etihad 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.

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?

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 €842.

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?

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 120 minutes.

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 at night have, in the past, seen delays more frequently in comparison.

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

Tuesday 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.

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

According to our data, JetBlue 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 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 20m and 22h 55m, 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

Fastest flight time

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