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Cheap flights from Dublin to Ko Samui from €516

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 8/7. 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
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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.
Etihad Airways Logo
14:00 - 15:40
DUB
-
USM
18h 40m
2 stops
Etihad Airways Logo
21:10 - 18:15
USM
-
DUB
28h 05m
2 stops
€828Etihad Airways
Mon, 9 Nov - Mon, 16 Nov
Qatar Airways Logo
12:50 - 20:25
DUB
-
USM
25h 35m
2 stops
Qatar Airways Logo
15:25 - 06:45
USM
-
DUB
21h 20m
2 stops
€847Qatar Airways
Sun, 7 Jun - Sat, 20 Jun
Etihad Airways Logo
20:35 - 08:35
DUB
-
USM
30h 00m
2 stops
Etihad Airways Logo
06:00 - 19:05
USM
-
DUB
19h 05m
2 stops
€859Etihad Airways
Thu, 11 Jun - Wed, 24 Jun
Qatar Airways Logo
08:15 - 21:10
DUB
-
USM
30h 55m
2 stops
Qatar Airways Logo
14:30 - 06:45
USM
-
DUB
22h 15m
2 stops
€866Qatar Airways
Wed, 26 Aug - Thu, 17 Sep
Multiple Airlines Logo
09:00 - 14:40
DUB
-
USM
23h 40m
2 stops
Multiple Airlines Logo
08:00 - 07:15
USM
-
DUB
29h 15m
2 stops
€872Multiple Airlines
Thu, 20 Aug - Thu, 3 Sep
Etihad Airways Logo
20:35 - 08:15
DUB
-
USM
29h 40m
2 stops
Etihad Airways Logo
19:00 - 19:05
USM
-
DUB
30h 05m
2 stops
€875Etihad Airways
Sun, 7 Jun - Sat, 20 Jun
Multiple Airlines Logo
07:05 - 20:25
DUB
-
USM
31h 20m
3 stops
Multiple Airlines Logo
08:00 - 15:25
USM
-
DUB
37h 25m
3 stops
€879Multiple Airlines
Thu, 11 Jun - Wed, 24 Jun
Qatar Airways Logo
08:15 - 20:25
DUB
-
USM
30h 10m
2 stops
Qatar Airways Logo
14:30 - 06:45
USM
-
DUB
22h 15m
2 stops
€885Qatar Airways
Sun, 7 Jun - Sat, 20 Jun
Multiple Airlines Logo
13:50 - 18:50
DUB
-
USM
47h 00m
3 stops
Multiple Airlines Logo
08:00 - 22:45
USM
-
DUB
44h 45m
3 stops
€902Multiple Airlines
Sun, 7 Jun - Sat, 20 Jun
Emirates Logo
14:20 - 16:55
DUB
-
USM
20h 35m
2 stops
Emirates Logo
19:00 - 12:20
USM
-
DUB
23h 20m
2 stops
€927Emirates
Thu, 11 Jun - Wed, 24 Jun

Qatar Airways flights from Dublin to Ko Samui

Our best Qatar Airways deals on Dublin to Ko Samui flight tickets
Qatar Airways
7 Jun
DUB12:50Dublin
25h 35m
2 stops
USM20:25Ko Samui
20 Jun
USM15:25Ko Samui
21h 20m
2 stops
DUB06:45Dublin
€847
Qatar Airways
26 Aug
DUB08:15Dublin
30h 55m
2 stops
USM21:10Ko Samui
17 Sept
USM14:30Ko Samui
22h 15m
2 stops
DUB06:45Dublin
€866
Qatar Airways
7 Jun
DUB08:15Dublin
30h 10m
2 stops
USM20:25Ko Samui
20 Jun
USM14:30Ko Samui
22h 15m
2 stops
DUB06:45Dublin
€885

British Airways flights from Dublin to Ko Samui

Our best British Airways deals on Dublin to Ko Samui flight tickets
British Airways
7 Jun
DUB18:00Dublin
21h 10m
2 stops
USM21:10Ko Samui
20 Jun
USM13:30Ko Samui
26h 45m
2 stops
DUB10:15Dublin
€1,608
British Airways
7 Jun
DUB18:00Dublin
21h 10m
2 stops
USM21:10Ko Samui
20 Jun
USM13:30Ko Samui
26h 45m
2 stops
DUB10:15Dublin
€1,676
British Airways
7 Jun
DUB19:00Dublin
20h 10m
2 stops
USM21:10Ko Samui
20 Jun
USM16:25Ko Samui
23h 50m
2 stops
DUB10:15Dublin
€1,679

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 27 May 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

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 9/11

14:00-15:40

2 stops18h 40m

Ko Samui

Mon 16/11

21:10-18:15

2 stops28h 05m

€828

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 7/6

12:50-20:25

2 stops25h 35m

Ko Samui

Sat 20/6

15:25-06:45

2 stops21h 20m

€847

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 11/6

20:35-08:35

2 stops30h 00m

Ko Samui

Wed 24/6

06:00-19:05

2 stops19h 05m

€859

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 26/8

08:15-21:10

2 stops30h 55m

Ko Samui

Thu 17/9

14:30-06:45

2 stops22h 15m

€866

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 20/8

09:00-14:40

2 stops23h 40m

Ko Samui

Thu 3/9

08:00-07:15

2 stops29h 15m

€872

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 7/6

20:35-08:15

2 stops29h 40m

Ko Samui

Sat 20/6

19:00-19:05

2 stops30h 05m

€875

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 11/6

07:05-20:25

3 stops31h 20m

Ko Samui

Wed 24/6

08:00-15:25

3 stops37h 25m

€879

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 7/6

08:15-20:25

2 stops30h 10m

Ko Samui

Sat 20/6

14:30-06:45

2 stops22h 15m

€885

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 7/6

13:50-18:50

3 stops47h 00m

Ko Samui

Sat 20/6

08:00-22:45

3 stops44h 45m

€902
Fastest return journey

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 11/6

14:20-16:55

2 stops20h 35m

Ko Samui

Wed 24/6

19:00-12:20

2 stops23h 20m

€927

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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?

What is the cheapest month to fly to Ko Samui?

If you aren’t able to travel during the month of January, then book flights to Ko Samui from Dublin during September instead. Flights to Ko Samui in September, while not as cheap as those in January, still average around €789.

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

19h 25m

Direct flights

None
The fastest flight from Dublin to Ko Samui takes 19h 25m
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 19h 25m 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 €496Free CancellationRating
7.3
1,445 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom €532Free CancellationRating
7.4
3,726 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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