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Cheap flights from Dublin to Ko Samui from €352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Ko Samui departing on 27/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dublin to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:00 - 20:25
DUB
-
USM
29h 25m
2 stops
Multiple Airlines Logo
19:00 - 19:05
USM
-
DUB
30h 05m
2 stops
€720Multiple Airlines
Sun, 6 Sep - Sun, 13 Sep
Multiple Airlines Logo
09:00 - 18:00
DUB
-
USM
27h 00m
2 stops
Multiple Airlines Logo
06:55 - 20:15
USM
-
DUB
43h 20m
3 stops
€723Multiple Airlines
Mon, 14 Sep - Sun, 20 Sep
Multiple Airlines Logo
09:00 - 20:25
DUB
-
USM
29h 25m
2 stops
Multiple Airlines Logo
14:30 - 19:05
USM
-
DUB
34h 35m
2 stops
€729Multiple Airlines
Fri, 4 Sep - Fri, 25 Sep
Multiple Airlines Logo
09:00 - 20:25
DUB
-
USM
29h 25m
2 stops
Multiple Airlines Logo
19:00 - 19:05
USM
-
DUB
30h 05m
2 stops
€731Multiple Airlines
Sun, 6 Sep - Sun, 13 Sep
Multiple Airlines Logo
09:00 - 20:25
DUB
-
USM
29h 25m
2 stops
Multiple Airlines Logo
19:00 - 19:05
USM
-
DUB
30h 05m
2 stops
€745Multiple Airlines
Fri, 4 Sep - Thu, 17 Sep
Multiple Airlines Logo
09:00 - 18:00
DUB
-
USM
27h 00m
2 stops
Multiple Airlines Logo
11:25 - 19:05
USM
-
DUB
37h 40m
2 stops
€757Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
14:20 - 07:45
DUB
-
USM
35h 25m
3 stops
Multiple Airlines Logo
11:25 - 07:15
USM
-
DUB
25h 50m
2 stops
€762Multiple Airlines
Thu, 27 Aug - Thu, 10 Sep
Multiple Airlines Logo
06:30 - 20:25
DUB
-
USM
31h 55m
3 stops
Multiple Airlines Logo
19:00 - 19:05
USM
-
DUB
30h 05m
2 stops
€766Multiple Airlines
Sun, 6 Sep - Sun, 13 Sep
Multiple Airlines Logo
07:25 - 20:25
DUB
-
USM
31h 00m
3 stops
Multiple Airlines Logo
06:45 - 12:55
USM
-
DUB
37h 10m
3 stops
€769Multiple Airlines
Wed, 14 Oct - Wed, 25 Nov
Multiple Airlines Logo
09:00 - 20:25
DUB
-
USM
29h 25m
2 stops
Multiple Airlines Logo
18:15 - 00:30
USM
-
DUB
36h 15m
3 stops
€779Multiple Airlines
Fri, 4 Sep - Fri, 25 Sep

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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 Sept
DUB08:15Dublin
30h 10m
2 stops
USM20:25Ko Samui
28 Sept
USM17:55Ko Samui
18h 50m
2 stops
DUB06:45Dublin
€932
Qatar Airways
4 Aug
DUB15:00Dublin
22h 00m
2 stops
USM19:00Ko Samui
25 Aug
USM11:55Ko Samui
24h 50m
2 stops
DUB06:45Dublin
€1,387

KLM flights from Dublin to Ko Samui

Our best KLM deals on Dublin to Ko Samui flight tickets
KLM
4 Aug
DUB13:25Dublin
24h 15m
2 stops
USM19:40Ko Samui
25 Aug
USM11:55Ko Samui
26h 25m
2 stops
DUB08:20Dublin
€1,430
KLM
4 Aug
DUB13:25Dublin
24h 15m
2 stops
USM19:40Ko Samui
25 Aug
USM11:55Ko Samui
26h 25m
2 stops
DUB08:20Dublin
€1,431

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 23 July 2026.
Use the filters below to find and compare flights from Dublin to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 6/9

09:00-20:25

2 stops29h 25m

Ko Samui

Sun 13/9

19:00-19:05

2 stops30h 05m

€720

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 14/9

09:00-18:00

2 stops27h 00m

Ko Samui

Sun 20/9

06:55-20:15

3 stops43h 20m

€723

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 4/9

09:00-20:25

2 stops29h 25m

Ko Samui

Fri 25/9

14:30-19:05

2 stops34h 35m

€729

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 6/9

09:00-20:25

2 stops29h 25m

Ko Samui

Sun 13/9

19:00-19:05

2 stops30h 05m

€731

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 4/9

09:00-20:25

2 stops29h 25m

Ko Samui

Thu 17/9

19:00-19:05

2 stops30h 05m

€745

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 3/9

09:00-18:00

2 stops27h 00m

Ko Samui

Thu 10/9

11:25-19:05

2 stops37h 40m

€757

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/8

14:20-07:45

3 stops35h 25m

Ko Samui

Thu 10/9

11:25-07:15

2 stops25h 50m

€762

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 6/9

06:30-20:25

3 stops31h 55m

Ko Samui

Sun 13/9

19:00-19:05

2 stops30h 05m

€766

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 14/10

07:25-20:25

3 stops31h 00m

Ko Samui

Wed 25/11

06:45-12:55

3 stops37h 10m

€769

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 4/9

09:00-20:25

2 stops29h 25m

Ko Samui

Fri 25/9

18:15-00:30

3 stops36h 15m

€779

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ko Samui from

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

What is the typical price of a round-trip flight between Dublin and Ko Samui?

Prices are currently low for flights on this route.

Typical prices usually range from €1,060 to €1,334.
The lowest price recently found on this route was €720.

What is the cheapest month to fly to Ko Samui?

If you aren’t able to travel during the month of October, then book flights to Ko Samui from Dublin during September instead. Flights to Ko Samui in September, while not as cheap as those in October, still average around €827.

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 20m

Direct flights

None
The fastest flight from Dublin to Ko Samui takes 20h 20m
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?

    A flight from Dublin to Ko Samui will travel around 10208.6 km. Typically, this will take 20h 20m 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?

  • 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?

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 AirwaysPriceFrom €506Free CancellationRating
7.3
1,486 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom €542Free CancellationRating
7.3
3,747 reviews
Search Qatar Airways flights

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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.

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