Cheap flights from Dublin to Ko Samui from €393

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 11/11. 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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Cheap return flights

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Multiple Airlines Logo
16:45 - 08:00DUB-USM
32h 15m3 stops
Multiple Airlines Logo
19:00 - 16:50USM-DUB
28h 50m3 stops
€692Multiple Airlines
Find Deal
Thu, 27 Nov - Wed, 10 Dec
Multiple Airlines Logo
06:30 - 08:00DUB-USM
42h 30m3 stops
Multiple Airlines Logo
12:25 - 17:00USM-DUB
35h 35m3 stops
€707Multiple Airlines
Find Deal
Sun, 30 Nov - Mon, 15 Dec
Multiple Airlines Logo
06:30 - 08:00DUB-USM
42h 30m3 stops
Multiple Airlines Logo
08:55 - 12:50USM-DUB
34h 55m2 stops
€741Multiple Airlines
Find Deal
Sun, 30 Nov - Mon, 15 Dec
Air France Logo
08:55 - 13:05DUB-USM
45h 10m2 stops
Air France Logo
11:40 - 15:45USM-DUB
35h 05m2 stops
€763Air France
Find Deal
Sun, 30 Nov - Sun, 14 Dec
Etihad Airways Logo
08:10 - 21:05DUB-USM
29h 55m2 stops
Etihad Airways Logo
08:15 - 06:25USM-DUB
29h 10m2 stops
€847Etihad Airways
Find Deal
Thu, 27 Nov - Wed, 10 Dec
Air France Logo
08:55 - 13:05DUB-USM
45h 10m2 stops
Air France Logo
11:40 - 07:50USM-DUB
27h 10m2 stops
€874Air France
Find Deal
Sun, 30 Nov - Mon, 15 Dec
Qatar Airways Logo
14:05 - 13:05DUB-USM
40h 00m2 stops
Qatar Airways Logo
11:40 - 12:35USM-DUB
31h 55m2 stops
€913Qatar Airways
Find Deal
Thu, 27 Nov - Wed, 10 Dec
KLM Logo
13:25 - 18:55DUB-USM
22h 30m2 stops
KLM Logo
08:00 - 22:25USM-DUB
20h 25m2 stops
€1,081KLM
Find Deal
Fri, 13 Mar - Thu, 9 Apr
Etihad Airways Logo
19:50 - 21:20DUB-USM
18h 30m2 stops
Etihad Airways Logo
20:50 - 18:55USM-DUB
28h 05m2 stops
€1,123Etihad Airways
Find Deal
Fri, 13 Mar - Fri, 10 Apr
Qatar Airways Logo
14:05 - 18:25DUB-USM
21h 20m2 stops
Qatar Airways Logo
20:20 - 12:35USM-DUB
23h 15m2 stops
€2,245Qatar Airways
Find Deal
Sat, 27 Dec - Sun, 11 Jan

Etihad Airways flights from Dublin to Ko Samui

Our best Etihad Airways deals on Dublin to Ko Samui flight tickets
Etihad Airways
27 Nov
DUB08:10Dublin
29h 55m
2 stops
USM21:05Ko Samui
10 Dec
USM08:15Ko Samui
29h 10m
2 stops
DUB06:25Dublin
Etihad Airways
13 Mar
DUB19:50Dublin
18h 30m
2 stops
USM21:20Ko Samui
10 Apr
USM20:50Ko Samui
28h 05m
2 stops
DUB18:55Dublin
€1,123
Find similar
Etihad Airways
11 Feb
DUB08:10Dublin
27h 05m
2 stops
USM18:15Ko Samui
21 Feb
USM19:00Ko Samui
30h 15m
2 stops
DUB18:15Dublin
€1,215
Find similar

Qatar Airways flights from Dublin to Ko Samui

Our best Qatar Airways deals on Dublin to Ko Samui flight tickets
Qatar Airways
27 Nov
DUB14:05Dublin
40h 00m
2 stops
USM13:05Ko Samui
10 Dec
USM11:40Ko Samui
31h 55m
2 stops
DUB12:35Dublin
Qatar Airways
27 Dec
DUB14:05Dublin
21h 20m
2 stops
USM18:25Ko Samui
11 Jan
USM20:20Ko Samui
23h 15m
2 stops
DUB12:35Dublin
€2,245
Find similar

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 7 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

Thu 27/11

16:45-08:00

3 stops32h 15m

Ko Samui

Wed 10/12

19:00-16:50

3 stops28h 50m

€692

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 30/11

06:30-08:00

3 stops42h 30m

Ko Samui

Mon 15/12

12:25-17:00

3 stops35h 35m

€707

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 30/11

06:30-08:00

3 stops42h 30m

Ko Samui

Mon 15/12

08:55-12:50

2 stops34h 55m

€741

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 30/11

08:55-13:05

2 stops45h 10m

Ko Samui

Sun 14/12

11:40-15:45

2 stops35h 05m

€763

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/11

08:10-21:05

2 stops29h 55m

Ko Samui

Wed 10/12

08:15-06:25

2 stops29h 10m

€847

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 30/11

08:55-13:05

2 stops45h 10m

Ko Samui

Mon 15/12

11:40-07:50

2 stops27h 10m

€874

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/11

14:05-13:05

2 stops40h 00m

Ko Samui

Wed 10/12

11:40-12:35

2 stops31h 55m

€913

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 13/3

13:25-18:55

2 stops22h 30m

Ko Samui

Thu 9/4

08:00-22:25

2 stops20h 25m

€1,081

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 13/3

19:50-21:20

2 stops18h 30m

Ko Samui

Fri 10/4

20:50-18:55

2 stops28h 05m

€1,123

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 27/12

14:05-18:25

2 stops21h 20m

Ko Samui

Sun 11/1

20:20-12:35

2 stops23h 15m

€2,245

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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 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 €812.

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 €582. Flights from Dublin to Ko Samui on a Sunday will generally be more expensive and average around €749. 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 €541. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €609.

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.
  • 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 50m 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 €537Free CancellationRating
7.4
3,661 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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1 adult
Sun 7/12
Sun 14/12

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