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Cheap flights from Dublin to Ko Samui from €304

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 12/4. 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
0 bags

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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 - 21:35
DUB
-
USM
30h 35m
2 stops
Multiple Airlines Logo
07:50 - 07:15
USM
-
DUB
29h 25m
2 stops
€704Multiple Airlines
Wed, 15 Apr - Wed, 13 May
Multiple Airlines Logo
08:55 - 20:50
DUB
-
USM
29h 55m
3 stops
Multiple Airlines Logo
06:00 - 14:50
USM
-
DUB
38h 50m
3 stops
€722Multiple Airlines
Mon, 13 Apr - Tue, 28 Apr
Multiple Airlines Logo
09:00 - 10:45
DUB
-
USM
19h 45m
2 stops
Multiple Airlines Logo
06:00 - 19:05
USM
-
DUB
43h 05m
2 stops
€725Multiple Airlines
Mon, 13 Apr - Tue, 28 Apr
Multiple Airlines Logo
20:35 - 21:35
DUB
-
USM
19h 00m
2 stops
Multiple Airlines Logo
06:00 - 07:15
USM
-
DUB
31h 15m
2 stops
€733Multiple Airlines
Mon, 20 Apr - Tue, 5 May
Multiple Airlines Logo
20:35 - 07:30
DUB
-
USM
28h 55m
2 stops
Multiple Airlines Logo
06:00 - 20:30
USM
-
DUB
44h 30m
3 stops
€743Multiple Airlines
Mon, 13 Apr - Tue, 28 Apr
Etihad Airways Logo
20:35 - 07:30
DUB
-
USM
28h 55m
2 stops
Etihad Airways Logo
21:00 - 19:05
USM
-
DUB
28h 05m
2 stops
€745Etihad Airways
Mon, 13 Apr - Tue, 28 Apr
Multiple Airlines Logo
16:15 - 07:45
DUB
-
USM
33h 30m
3 stops
Multiple Airlines Logo
06:00 - 11:15
USM
-
DUB
35h 15m
3 stops
€751Multiple Airlines
Mon, 13 Apr - Tue, 28 Apr
Multiple Airlines Logo
14:25 - 18:50
DUB
-
USM
46h 25m
3 stops
Multiple Airlines Logo
08:40 - 07:15
USM
-
DUB
28h 35m
2 stops
€757Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Multiple Airlines Logo
20:35 - 21:35
DUB
-
USM
19h 00m
2 stops
Multiple Airlines Logo
06:00 - 18:45
USM
-
DUB
42h 45m
3 stops
€759Multiple Airlines
Mon, 20 Apr - Tue, 5 May
Multiple Airlines Logo
09:00 - 18:30
DUB
-
USM
27h 30m
2 stops
Multiple Airlines Logo
08:40 - 07:15
USM
-
DUB
28h 35m
2 stops
€763Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr

Etihad Airways flights from Dublin to Ko Samui

Our best Etihad Airways deals on Dublin to Ko Samui flight tickets
Etihad Airways
13 Apr
DUB20:35Dublin
28h 55m
2 stops
USM07:30Ko Samui
28 Apr
USM21:00Ko Samui
28h 05m
2 stops
DUB19:05Dublin
€745
Etihad Airways
20 Apr
DUB20:35Dublin
19h 00m
2 stops
USM21:35Ko Samui
6 May
USM06:00Ko Samui
19h 05m
2 stops
DUB19:05Dublin
€771
Etihad Airways
16 Apr
DUB09:00Dublin
25h 30m
2 stops
USM16:30Ko Samui
7 May
USM21:00Ko Samui
28h 05m
2 stops
DUB19:05Dublin
€800

Qatar Airways flights from Dublin to Ko Samui

Our best Qatar Airways deals on Dublin to Ko Samui flight tickets
Qatar Airways
3 Jun
DUB15:00Dublin
38h 55m
2 stops
USM11:55Ko Samui
20 Jun
USM17:55Ko Samui
25h 35m
2 stops
DUB13:30Dublin
€806
Qatar Airways
3 Jun
DUB15:00Dublin
38h 55m
2 stops
USM11:55Ko Samui
20 Jun
USM15:25Ko Samui
28h 05m
2 stops
DUB13:30Dublin
€807
Qatar Airways
4 Jun
DUB08:15Dublin
21h 40m
2 stops
USM11:55Ko Samui
30 Jun
USM15:25Ko Samui
21h 20m
2 stops
DUB06:45Dublin
€836

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 24 February 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

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 15/4

09:00-21:35

2 stops30h 35m

Ko Samui

Wed 13/5

07:50-07:15

2 stops29h 25m

€704

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 13/4

08:55-20:50

3 stops29h 55m

Ko Samui

Tue 28/4

06:00-14:50

3 stops38h 50m

€722

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 13/4

09:00-10:45

2 stops19h 45m

Ko Samui

Tue 28/4

06:00-19:05

2 stops43h 05m

€725

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 20/4

20:35-21:35

2 stops19h 00m

Ko Samui

Tue 5/5

06:00-07:15

2 stops31h 15m

€733

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 13/4

20:35-07:30

2 stops28h 55m

Ko Samui

Tue 28/4

06:00-20:30

3 stops44h 30m

€743

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 13/4

20:35-07:30

2 stops28h 55m

Ko Samui

Tue 28/4

21:00-19:05

2 stops28h 05m

€745

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 13/4

16:15-07:45

3 stops33h 30m

Ko Samui

Tue 28/4

06:00-11:15

3 stops35h 15m

€751

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 23/4

14:25-18:50

3 stops46h 25m

Ko Samui

Thu 30/4

08:40-07:15

2 stops28h 35m

€757

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 20/4

20:35-21:35

2 stops19h 00m

Ko Samui

Tue 5/5

06:00-18:45

3 stops42h 45m

€759

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 23/4

09:00-18:30

2 stops27h 30m

Ko Samui

Thu 30/4

08:40-07:15

2 stops28h 35m

€763

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 €839.

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 €568. Flights from Dublin to Ko Samui on a Sunday will generally be more expensive and average around €731. 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 €594.

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

21h 10m

Direct flights

None
The fastest flight from Dublin to Ko Samui takes 21h 10m
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 21h 10m 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
Qatar AirwaysPriceFrom €524Free CancellationRating
7.4
3,742 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom €665Free CancellationRating
7.3
1,416 reviews
Search Etihad Airways flights

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
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.

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