Cheap flights from Ireland to Ko Samui from €448

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Ko Samui departing on 14/12. 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 Ireland to Ko Samui

Recent return flight deals from Ireland to Ko Samui

 Logo
08:45 - 21:05DUB-USM
29h 20m2 stops
 Logo
07:00 - 08:05USM-DUB
32h 05m2 stops
€693
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Air France Logo
16:45 - 21:05DUB-USM
21h 20m2 stops
Air France Logo
08:30 - 22:55USM-DUB
21h 25m2 stops
€720Air France
Find Deal
Mon, 27 Oct - Tue, 11 Nov
Qatar Airways Logo
07:45 - 17:30DUB-USM
26h 45m2 stops
Qatar Airways Logo
19:00 - 19:50USM-DUB
31h 50m2 stops
€819Qatar Airways
Find Deal
Tue, 25 Nov - Fri, 5 Dec
SWISS Logo
13:20 - 21:05DUB-USM
24h 45m2 stops
SWISS Logo
10:00 - 12:05USM-DUB
33h 05m2 stops
€821SWISS
Find Deal
Fri, 6 Mar - Fri, 27 Mar
Qatar Airways Logo
07:45 - 17:30DUB-USM
26h 45m2 stops
Qatar Airways Logo
08:15 - 12:35USM-DUB
35h 20m2 stops
€826Qatar Airways
Find Deal
Tue, 25 Nov - Tue, 9 Dec
SWISS Logo
18:35 - 10:40DUB-USM
33h 05m2 stops
SWISS Logo
16:25 - 12:05USM-DUB
26h 40m2 stops
€836SWISS
Find Deal
Thu, 27 Nov - Mon, 8 Dec
Etihad Airways Logo
08:10 - 07:45DUB-USM
40h 35m2 stops
Etihad Airways Logo
17:05 - 18:15USM-DUB
32h 10m2 stops
€885Etihad Airways
Find Deal
Sat, 29 Nov - Thu, 4 Dec
Etihad Airways Logo
08:10 - 12:35DUB-USM
21h 25m2 stops
Etihad Airways Logo
19:00 - 18:15USM-DUB
30h 15m2 stops
€911Etihad Airways
Find Deal
Fri, 28 Nov - Thu, 4 Dec
Turkish Airlines Logo
06:25 - 18:15DUB-USM
28h 50m2 stops
Turkish Airlines Logo
16:25 - 09:40USM-DUB
24h 15m2 stops
€957Turkish Airlines
Find Deal
Tue, 25 Nov - Sun, 7 Dec
Turkish Airlines Logo
07:20 - 18:15DUB-USM
27h 55m2 stops
Turkish Airlines Logo
17:05 - 15:30USM-DUB
29h 25m2 stops
€979Turkish Airlines
Find Deal
Fri, 28 Nov - Thu, 4 Dec

SWISS flights from Ireland to Ko Samui

Our best SWISS deals on Ireland to Ko Samui flight tickets
SWISS
6 Mar
DUB13:20Dublin
24h 45m
2 stops
USM21:05Ko Samui
27 Mar
USM10:00Ko Samui
33h 05m
2 stops
DUB12:05Dublin
SWISS
27 Nov
DUB18:35Dublin
33h 05m
2 stops
USM10:40Ko Samui
8 Dec
USM16:25Ko Samui
26h 40m
2 stops
DUB12:05Dublin
SWISS
27 Dec
DUB18:35Dublin
39h 05m
2 stops
USM16:40Ko Samui
10 Jan
USM10:00Ko Samui
34h 15m
3 stops
DUB13:15Dublin
€1,683
Find similar

Air France flights from Ireland to Ko Samui

Our best Air France deals on Ireland to Ko Samui flight tickets
Air France
27 Oct
DUB16:45Dublin
21h 20m
2 stops
USM21:05Ko Samui
11 Nov
USM08:30Ko Samui
21h 25m
2 stops
DUB22:55Dublin
Air France
6 Nov
DUB16:45Dublin
37h 20m
2 stops
USM13:05Ko Samui
19 Nov
USM16:25Ko Samui
30h 20m
2 stops
DUB15:45Dublin
Air France
26 Nov
DUB06:00Dublin
32h 05m
2 stops
USM21:05Ko Samui
6 Dec
USM11:40Ko Samui
27h 10m
2 stops
DUB07:50Dublin

momondo Fare Finder

 
Customise your flight search to find flights from Ireland 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 12 September 2025.
Use the filters below to find and compare flights from Ireland to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 27/10

08:45-21:05

2 stops29h 20m

Ko Samui

Mon 3/11

07:00-08:05

2 stops32h 05m

€693

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 27/10

16:45-21:05

2 stops21h 20m

Ko Samui

Tue 11/11

08:30-22:55

2 stops21h 25m

€720

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 25/11

07:45-17:30

2 stops26h 45m

Ko Samui

Fri 5/12

19:00-19:50

2 stops31h 50m

€818

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 6/3

13:20-21:05

2 stops24h 45m

Ko Samui

Fri 27/3

10:00-12:05

2 stops33h 05m

€821

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 25/11

07:45-17:30

2 stops26h 45m

Ko Samui

Tue 9/12

08:15-12:35

2 stops35h 20m

€826

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/11

18:35-10:40

2 stops33h 05m

Ko Samui

Mon 8/12

16:25-12:05

2 stops26h 40m

€836

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sat 29/11

08:10-07:45

2 stops40h 35m

Ko Samui

Thu 4/12

17:05-18:15

2 stops32h 10m

€885

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 28/11

08:10-12:35

2 stops21h 25m

Ko Samui

Thu 4/12

19:00-18:15

2 stops30h 15m

€911

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Tue 25/11

06:25-18:15

2 stops28h 50m

Ko Samui

Sun 7/12

16:25-09:40

2 stops24h 15m

€957

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 28/11

07:20-18:15

2 stops27h 55m

Ko Samui

Thu 4/12

17:05-15:30

2 stops29h 25m

€979

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 Ireland 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 Ireland during April instead. Flights to Ko Samui in April, 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 Ireland to Ko Samui is on a Thursday when prices can be found for as low as €572. Flights from Ireland to Ko Samui on a Sunday will generally be more expensive and average around €736. 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 Ireland 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 €531. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €598.

Cheap Ireland to Ko Samui flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Ko Samui

Direct flights

None
There are no direct flights from Ireland to Ko Samui. There are no popular flight routes from Ireland to Ko Samui.
  • When did momondo last update prices for flights from Ireland to Ko Samui Airport?

    Prices for flights from Ireland to Ko Samui Airport are updated daily.

  • How many operators does momondo search for flights from Ireland to Ko Samui Airport?

  • How old do you have to be to fly from Ireland to Ko Samui Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ireland to Ko Samui

Compare and see reviews for airlines that fly from Ireland to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom €528Free CancellationRating
7.4
3,624 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 Ireland to Ko Samui?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Ko Samui. momondo saves you time and could save you money on your trip.

Can I find flights from Ireland to Ko Samui with flexible booking policies on momondo?

Flights from Ireland 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 Ireland to Ko Samui?

Once you have performed a search for Ireland to Ko Samui flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ireland to Ko Samui right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ko Samui from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sun 12/10
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