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

Saturday 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.

What is the most punctual flight time for Dublin 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.

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 148 minutes.

Which airline has the best punctuality record on Dublin 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.

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 were last updated today.

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

The number of operators available for flights from Dublin Airport to Ko Samui Airport is 1 as of December 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Ko Samui Airport.

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

The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

€357 Cheap Flights from Dublin to Ko Samui in 2025/26

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Find the cheapest flights from Dublin to Ko Samui

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13:25 - 16:50

DUB

USM

21h 25m2 stops

08:45 - 08:20

USM

DUB

29h 35m2 stops

€755KLM

Wed, 3 Jun - Sat, 20 Jun

11:10 - 13:45

DUB

USM

20h 35m2 stops

08:45 - 08:20

USM

DUB

29h 35m2 stops

€757KLM

Wed, 3 Jun - Sat, 20 Jun

10:40 - 20:35

DUB

USM

26h 55m3 stops

12:25 - 15:00

USM

DUB

33h 35m3 stops

€766Multiple Airlines

Sun, 18 Jan - Mon, 2 Feb

06:15 - 20:50

DUB

USM

31h 35m3 stops

12:25 - 17:00

USM

DUB

35h 35m3 stops

€801Multiple Airlines

Sun, 1 Mar - Sun, 8 Mar

19:50 - 07:45

DUB

USM

28h 55m2 stops

13:25 - 18:15

USM

DUB

35h 50m2 stops

€871Etihad Airways

Sun, 18 Jan - Mon, 2 Feb

16:45 - 13:05

DUB

USM

37h 20m2 stops

11:40 - 07:50

USM

DUB

27h 10m2 stops

€895Multiple Airlines

Sun, 1 Mar - Sun, 8 Mar

19:50 - 07:45

DUB

USM

28h 55m2 stops

08:15 - 06:25

USM

DUB

29h 10m2 stops

€930Etihad Airways

Sun, 18 Jan - Sat, 31 Jan

13:10 - 18:15

DUB

USM

22h 05m2 stops

16:25 - 06:25

USM

DUB

21h 00m2 stops

€1,093Emirates

Sun, 18 Jan - Sat, 31 Jan

09:15 - 19:50

DUB

USM

27h 35m3 stops

20:30 - 16:25

USM

DUB

26h 55m3 stops

€1,143Austrian Airlines

Sun, 18 Jan - Mon, 2 Feb

09:15 - 19:50

DUB

USM

27h 35m3 stops

20:20 - 16:25

USM

DUB

27h 05m3 stops

€1,148Austrian Airlines

Sun, 18 Jan - Sat, 31 Jan

Air France flights from Dublin to Ko Samui

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

Air France

3 Jan

DUB06:00Dublin

21h 55m

2 stops

USM10:55Ko Samui

17 Jan

USM11:40Ko Samui

27h 10m

2 stops

DUB07:50Dublin

€1,545

Find similar

Air France

3 Jan

DUB06:00Dublin

21h 55m

2 stops

USM10:55Ko Samui

17 Jan

USM11:40Ko Samui

27h 10m

2 stops

DUB07:50Dublin

€1,549

Find similar

KLM flights from Dublin to Ko Samui

Our best KLM deals on Dublin to Ko Samui flight tickets

KLM

3 Jun

DUB13:25Dublin

21h 25m

2 stops

USM16:50Ko Samui

20 Jun

USM08:45Ko Samui

29h 35m

2 stops

DUB08:20Dublin

€755

Find similar

KLM

3 Jun

DUB11:10Dublin

20h 35m

2 stops

USM13:45Ko Samui

20 Jun

USM08:45Ko Samui

29h 35m

2 stops

DUB08:20Dublin

€757

Find similar

KLM

3 Jun

DUB13:25Dublin

18h 20m

2 stops

USM13:45Ko Samui

20 Jun

USM08:45Ko Samui

19h 40m

2 stops

DUB22:25Dublin

€758

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 3/6

13:25-16:50

2 stops21h 25m

Ko Samui

Sat 20/6

08:45-08:20

2 stops29h 35m

€755

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 3/6

11:10-13:45

2 stops20h 35m

Ko Samui

Sat 20/6

08:45-08:20

2 stops29h 35m

€757

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 18/1

10:40-20:35

3 stops26h 55m

Ko Samui

Mon 2/2

12:25-15:00

3 stops33h 35m

€766

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 1/3

06:15-20:50

3 stops31h 35m

Ko Samui

Sun 8/3

12:25-17:00

3 stops35h 35m

€801

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 18/1

19:50-07:45

2 stops28h 55m

Ko Samui

Mon 2/2

13:25-18:15

2 stops35h 50m

€871

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 1/3

16:45-13:05

2 stops37h 20m

Ko Samui

Sun 8/3

11:40-07:50

2 stops27h 10m

€895

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 18/1

19:50-07:45

2 stops28h 55m

Ko Samui

Sat 31/1

08:15-06:25

2 stops29h 10m

€930

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 18/1

13:10-18:15

2 stops22h 05m

Ko Samui

Sat 31/1

16:25-06:25

2 stops21h 00m

€1,093

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 18/1

09:15-19:50

3 stops27h 35m

Ko Samui

Mon 2/2

20:30-16:25

3 stops26h 55m

€1,143

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 18/1

09:15-19:50

3 stops27h 35m

Ko Samui

Sat 31/1

20:20-16:25

3 stops27h 05m

€1,148

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?

If you aren’t able to travel during the month of April, then book flights to Ko Samui from Dublin during September instead. Flights to Ko Samui in September, while not as cheap as those in April, still average around €841.

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

The cheapest day to depart from Dublin to Ko Samui is on a Thursday when prices can be found for as low as €569. Flights from Dublin to Ko Samui on a Sunday will generally be more expensive and average around €732. 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 Dublin 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 €528. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €595.

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

Fastest flight time	20h 35m
Direct flights	None

The fastest flight from Dublin to Ko Samui takes 20h 35m

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

Search flight deals

How far is Dublin to Ko Samui by plane?
A flight from Dublin to Ko Samui will travel around 10208.6 km. Typically, this will take 20h 35m by plane in normal conditions.
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 were last updated today.
How many operators does momondo search for flights from Dublin Airport to Ko Samui Airport?
The number of operators available for flights from Dublin Airport to Ko Samui Airport is 1 as of December 2025.
How old do you have to be to fly from Dublin Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Dublin to Ko Samui?
Based on momondo bookings for flights between Dublin and Ko Samui, the leading airline is Qatar Airways, making up 100% of the 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
Qatar Airways	PriceFrom €525	Free Cancellation	Rating 7.4 3,690 reviews		Search Qatar Airways flights

Ko Pha Ngan

Ko Tao

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Ko Samui for you.

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

Flights from Dublin 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 Dublin to Ko Samui?

momondo provides multiple filters to help you find the best flight to Ko Samui from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Ko Samui from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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 Dublin to Ko Samui from €755

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 3/6. 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 Dublin to Ko Samui

Cheap return flights

Cheap one-way flights

Air France flights from Dublin to Ko Samui

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

KLM flights from Dublin to Ko Samui

Our best KLM deals on Dublin to Ko Samui flight tickets

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Use the filters below to find and compare flights from Dublin to Ko Samui that are best for you.

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Dublin 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 Dublin during September instead. Flights to Ko Samui in September, while not as cheap as those in April, still average around €841.

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 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 148 minutes.

What is the most punctual flight time for Dublin 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?

Saturday 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 Dublin 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.

When to book flights from Dublin to Ko Samui

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

Fastest flight time

Direct flights

How far is Dublin to Ko Samui by plane?

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

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

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

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

What is the most popular airline 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?

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

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

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

I’m not ready to book a flight from Dublin 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