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. Monday has historically seen more delays on average compared to the rest of the week.

How often are flights from Dublin to Ko Samui delayed?

Historically, on average around 11% of flights between Dublin and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Which airline has the best punctuality record on Dublin 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 10% of their flights experiencing any sort of delay.

What is the most punctual flight time for Dublin 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.

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

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

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

There is 1 operator available for flights from Dublin Airport to Ko Samui Airport as of September 2026.

How old do you have to be to fly from Dublin Airport 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport 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 license, 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.

£663 Cheap Flights from Dublin to Ko Samui in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dublin to Ko Samui

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:05 - 15:40DUB Dublin-USM Ko Samui

18h 35m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

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

22h 35m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

£663Qatar Airways

Fri, 13 Nov - Fri, 20 Nov

08:05 - 17:30DUB Dublin-USM Ko Samui

26h 25m2 stops Abu Dhabi Zayed Intl Phuket City

21:10 - 20:15USM Ko Samui-DUB Dublin

30h 05m3 stops Bangkok Suvarnabhumi Sharjah London Gatwick

£674Multiple Airlines

Fri, 13 Nov - Fri, 20 Nov

06:50 - 17:00DUB Dublin-USM Ko Samui

27h 10m3 stops Brussels Bruxelles-National Beijing Capital Bangkok Suvarnabhumi

19:10 - 19:05USM Ko Samui-DUB Dublin

30h 55m3 stops Bangkok Suvarnabhumi Sharjah London Gatwick

£681Multiple Airlines

Fri, 13 Nov - Fri, 20 Nov

14:05 - 17:00DUB Dublin-USM Ko Samui

19h 55m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

17:40 - 06:00USM Ko Samui-DUB Dublin

19h 20m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

£683Qatar Airways

Mon, 16 Nov - Mon, 30 Nov

15:30 - 18:15DUB Dublin-USM Ko Samui

19h 45m2 stops London Heathrow Singapore Changi

16:25 - 12:10USM Ko Samui-DUB Dublin

26h 45m2 stops Singapore Changi London Heathrow

£716British Airways

Fri, 6 Nov - Tue, 10 Nov

15:30 - 18:15DUB Dublin-USM Ko Samui

19h 45m2 stops London Heathrow Singapore Changi

16:25 - 11:15USM Ko Samui-DUB Dublin

25h 50m2 stops Singapore Changi London Heathrow

£716British Airways

Fri, 6 Nov - Tue, 10 Nov

10:50 - 17:40DUB Dublin-USM Ko Samui

23h 50m2 stops Munich Franz Josef Strauss Bangkok Suvarnabhumi

16:25 - 11:20USM Ko Samui-DUB Dublin

25h 55m2 stops Singapore Changi Zurich

£783Multiple Airlines

Thu, 11 Mar - Mon, 22 Mar

14:05 - 18:05DUB Dublin-USM Ko Samui

21h 00m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

21:30 - 12:35USM Ko Samui-DUB Dublin

22h 05m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

£820Qatar Airways

Fri, 6 Nov - Tue, 10 Nov

08:05 - 17:30DUB Dublin-USM Ko Samui

26h 25m2 stops Abu Dhabi Zayed Intl Phuket City

20:20 - 18:10USM Ko Samui-DUB Dublin

28h 50m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

£979Etihad Airways

Thu, 12 Nov - Fri, 13 Nov

08:05 - 14:55DUB Dublin-USM Ko Samui

23h 50m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

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

27h 30m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

£2,065Etihad Airways

Thu, 14 Jan - Thu, 28 Jan

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Qatar Airways flights from Dublin to Ko Samui

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

Qatar Airways

13 Nov

DUB14:05Dublin

18h 35m

2 stops

USM15:40Ko Samui

20 Nov

USM14:25Ko Samui

22h 35m

2 stops

DUB06:00Dublin

£663

Qatar Airways

16 Nov

DUB14:05Dublin

19h 55m

2 stops

USM17:00Ko Samui

30 Nov

USM17:40Ko Samui

19h 20m

2 stops

DUB06:00Dublin

£683

Qatar Airways

6 Nov

DUB14:05Dublin

21h 00m

2 stops

USM18:05Ko Samui

10 Nov

USM21:30Ko Samui

22h 05m

2 stops

DUB12:35Dublin

£820

Finnair flights from Dublin to Ko Samui

Our best Finnair deals on Dublin to Ko Samui flight tickets

Finnair

11 Mar

DUB09:45Dublin

28h 35m

2 stops

USM21:20Ko Samui

22 Mar

USM07:55Ko Samui

32h 05m

2 stops

DUB09:00Dublin

£831

Finnair

16 Nov

DUB09:45Dublin

27h 40m

2 stops

USM20:25Ko Samui

30 Nov

USM08:30Ko Samui

39h 50m

2 stops

DUB17:20Dublin

£945

Finnair

26 Oct

DUB09:45Dublin

40h 35m

2 stops

USM09:20Ko Samui

9 Nov

USM18:40Ko Samui

29h 40m

2 stops

DUB17:20Dublin

£1,045

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 13/11

14:05-15:40

2 stops18h 35m

Ko Samui

Fri 20/11

14:25-06:00

2 stops22h 35m

£663

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 13/11

08:05-17:30

2 stops26h 25m

Ko Samui

Fri 20/11

21:10-20:15

3 stops30h 05m

£674

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 13/11

06:50-17:00

3 stops27h 10m

Ko Samui

Fri 20/11

19:10-19:05

3 stops30h 55m

£681

Fastest return journey

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Mon 16/11

14:05-17:00

2 stops19h 55m

Ko Samui

Mon 30/11

17:40-06:00

2 stops19h 20m

£683

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 6/11

15:30-18:15

2 stops19h 45m

Ko Samui

Tue 10/11

16:25-12:10

2 stops26h 45m

£716

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 6/11

15:30-18:15

2 stops19h 45m

Ko Samui

Tue 10/11

16:25-11:15

2 stops25h 50m

£716

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 11/3

10:50-17:40

2 stops23h 50m

Ko Samui

Mon 22/3

16:25-11:20

2 stops25h 55m

£783

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Fri 6/11

14:05-18:05

2 stops21h 00m

Ko Samui

Tue 10/11

21:30-12:35

2 stops22h 05m

£820

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 12/11

08:05-17:30

2 stops26h 25m

Ko Samui

Fri 13/11

20:20-18:10

2 stops28h 50m

£979

DublinKo Samui

DUB Dublin - USM Ko Samui

DUBUSM

Dublin

Thu 14/1

08:05-14:55

2 stops23h 50m

Ko Samui

Thu 28/1

10:00-06:30

2 stops27h 30m

£2,065

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Dublin 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

What is the cheapest month to fly to Ko Samui?

The cheapest month to fly to Ko Samui from Dublin is in April. Flight prices, which tend to average around £621, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in April, then you should wait until September to fly from Dublin, when ticket prices are also cheap, with an average price of £733.

When to book flights from Dublin to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Dublin to Ko Samui (DUB to USM) flight deals and tips

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

Best price found	£663
Direct flights	None

The best flight deal from Dublin to Ko Samui found on momondo in the last 72 hours is £663

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

Search flight deals

Frequently asked questions about flying from Dublin to Ko Samui

How far is Dublin to Ko Samui by plane?
There are 6343.4 mi between Dublin and Ko Samui.
When did momondo last update prices for flights from Dublin Airport to Ko Samui Airport?
Prices for flights from Dublin Airport to Ko Samui Airport are updated daily.
How many operators does momondo search for flights from Dublin Airport to Ko Samui Airport?
There is 1 operator available for flights from Dublin Airport to Ko Samui Airport as of September 2026.
How old do you have to be to fly from Dublin Airport 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport 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 license, 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.
What is the most popular airline from Dublin to Ko Samui?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dublin to Ko Samui is Etihad Airways (100% of total bookings).

Best airlines flying from Dublin to Ko Samui

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

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom £671	Free Cancellation	Rating 7.3 1,540 reviews		Search Etihad Airways flights

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

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

Finding the right flight to Ko Samui from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ko Samui quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Dublin to Ko Samui flights to just show those with flexible booking policies.

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

Once you have performed a search for Dublin 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 Dublin to Ko Samui right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Dublin to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Dublin to Ko Samui from £663

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Ko Samui departing on 13/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Dublin to Ko Samui

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

Finnair flights from Dublin to Ko Samui

Our best Finnair deals on Dublin to Ko Samui flight tickets

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

What is the cheapest month to fly to Ko Samui?

How often are flights from Dublin to Ko Samui delayed?

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

When to book flights from Dublin to Ko Samui

Cheap Dublin to Ko Samui (DUB to USM) flight deals and tips

Best price found

Direct flights

Frequently asked questions about flying from Dublin to Ko Samui

Best airlines flying from Dublin to Ko Samui

Compare and see reviews for airlines that fly from Dublin 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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ko Samui

List of cabin classes available on flights landing in Ko Samui. Availability may vary depending on flight origin and airline.

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