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Cheap flights from Dublin to Ko Samui from €395

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 3/2. 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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Find the cheapest flights from Dublin to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
20:25 - 10:10DUB-USM
31h 45m2 stops
Etihad Airways Logo
18:55 - 18:55USM-DUB
30h 00m2 stops
€665Etihad Airways
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Fri, 1 May - Fri, 15 May
Etihad Airways Logo
08:10 - 07:10DUB-USM
40h 00m2 stops
Etihad Airways Logo
18:15 - 18:15USM-DUB
31h 00m2 stops
€707Etihad Airways
Find Deal
Wed, 4 Mar - Sat, 14 Mar
Etihad Airways Logo
19:50 - 21:20DUB-USM
18h 30m2 stops
Etihad Airways Logo
18:15 - 06:25USM-DUB
19h 10m2 stops
€717Etihad Airways
Find Deal
Tue, 3 Mar - Fri, 13 Mar
Multiple Airlines Logo
14:45 - 08:05DUB-USM
34h 20m3 stops
Multiple Airlines Logo
21:10 - 21:35USM-DUB
31h 25m3 stops
€751Multiple Airlines
Find Deal
Sat, 24 Jan - Fri, 30 Jan
Multiple Airlines Logo
08:10 - 07:45DUB-USM
40h 35m2 stops
Multiple Airlines Logo
08:50 - 06:25USM-DUB
52h 35m2 stops
€762Multiple Airlines
Find Deal
Wed, 4 Feb - Sat, 14 Feb
Multiple Airlines Logo
11:00 - 19:45DUB-USM
25h 45m2 stops
Multiple Airlines Logo
07:15 - 05:50USM-DUB
29h 35m2 stops
€774Multiple Airlines
Find Deal
Sat, 24 Jan - Fri, 30 Jan
Multiple Airlines Logo
08:10 - 07:45DUB-USM
40h 35m2 stops
Multiple Airlines Logo
08:15 - 18:15USM-DUB
41h 00m2 stops
€775Multiple Airlines
Find Deal
Mon, 26 Jan - Thu, 5 Feb
Multiple Airlines Logo
11:00 - 19:45DUB-USM
25h 45m2 stops
Multiple Airlines Logo
15:05 - 17:55USM-DUB
33h 50m3 stops
€801Multiple Airlines
Find Deal
Sat, 24 Jan - Fri, 30 Jan
Multiple Airlines Logo
08:30 - 08:00DUB-USM
40h 30m3 stops
Multiple Airlines Logo
12:25 - 20:40USM-DUB
39h 15m3 stops
€814Multiple Airlines
Find Deal
Wed, 4 Mar - Sat, 14 Mar
Multiple Airlines Logo
07:45 - 21:20DUB-USM
30h 35m3 stops
Multiple Airlines Logo
08:55 - 22:15USM-DUB
44h 20m3 stops
€818Multiple Airlines
Find Deal
Tue, 3 Mar - Fri, 13 Mar

Etihad Airways flights from Dublin to Ko Samui

Our best Etihad Airways deals on Dublin to Ko Samui flight tickets
Etihad Airways
1 May
DUB20:25Dublin
31h 45m
2 stops
USM10:10Ko Samui
15 May
USM18:55Ko Samui
30h 00m
2 stops
DUB18:55Dublin
€665
Find similar
Etihad Airways
4 Mar
DUB08:10Dublin
40h 00m
2 stops
USM07:10Ko Samui
14 Mar
USM18:15Ko Samui
31h 00m
2 stops
DUB18:15Dublin
€707
Find similar
Etihad Airways
3 Mar
DUB19:50Dublin
18h 30m
2 stops
USM21:20Ko Samui
13 Mar
USM18:15Ko Samui
19h 10m
2 stops
DUB06:25Dublin
€717
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Austrian Airlines flights from Dublin to Ko Samui

Our best Austrian Airlines deals on Dublin to Ko Samui flight tickets
Austrian Airlines
21 Nov
DUB11:55Dublin
20h 40m
3 stops
USM15:35Ko Samui
4 Dec
USM09:20Ko Samui
32h 50m
3 stops
DUB11:10Dublin
€1,013
Find similar
Austrian Airlines
24 Nov
DUB09:10Dublin
23h 25m
3 stops
USM15:35Ko Samui
8 Dec
USM10:00Ko Samui
32h 00m
3 stops
DUB11:00Dublin
€1,088
Find similar
Austrian Airlines
4 Feb
DUB09:10Dublin
26h 45m
3 stops
USM18:55Ko Samui
14 Feb
USM20:30Ko Samui
26h 55m
3 stops
DUB16:25Dublin
€1,401
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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 14 November 2025.
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

Fri 1/5

20:25-10:10

2 stops31h 45m

Ko Samui

Fri 15/5

18:55-18:55

2 stops30h 00m

€665

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 4/3

08:10-07:10

2 stops40h 00m

Ko Samui

Sat 14/3

18:15-18:15

2 stops31h 00m

€707

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 3/3

19:50-21:20

2 stops18h 30m

Ko Samui

Fri 13/3

18:15-06:25

2 stops19h 10m

€717

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 24/1

14:45-08:05

3 stops34h 20m

Ko Samui

Fri 30/1

21:10-21:35

3 stops31h 25m

€751

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 4/2

08:10-07:45

2 stops40h 35m

Ko Samui

Sat 14/2

08:50-06:25

2 stops52h 35m

€762

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 24/1

11:00-19:45

2 stops25h 45m

Ko Samui

Fri 30/1

07:15-05:50

2 stops29h 35m

€774

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 26/1

08:10-07:45

2 stops40h 35m

Ko Samui

Thu 5/2

08:15-18:15

2 stops41h 00m

€775

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 24/1

11:00-19:45

2 stops25h 45m

Ko Samui

Fri 30/1

15:05-17:55

3 stops33h 50m

€801

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 4/3

08:30-08:00

3 stops40h 30m

Ko Samui

Sat 14/3

12:25-20:40

3 stops39h 15m

€814

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 3/3

07:45-21:20

3 stops30h 35m

Ko Samui

Fri 13/3

08:55-22:15

3 stops44h 20m

€818

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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 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 November, then book flights to Ko Samui from Dublin during March instead. Flights to Ko Samui in March, while not as cheap as those in November, still average around €806.

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 €577. Flights from Dublin to Ko Samui on a Sunday will generally be more expensive and average around €743. 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 €536. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €604.

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

Direct flights

None
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 17h 45m 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 €533Free CancellationRating
7.4
3,662 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 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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