Cheap flights from Ireland to Ko Samui from €411

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 5/12. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ireland to Ko Samui

Recent return flight deals from Ireland to Ko Samui

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:45 - 08:00DUB-USM
32h 15m3 stops
Multiple Airlines Logo
19:00 - 16:50USM-DUB
28h 50m3 stops
€691Multiple 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
€705Multiple 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
€761Air 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
€845Etihad 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
€871Air France
Find Deal
Sun, 30 Nov - Mon, 15 Dec
Qatar Airways Logo
14:05 - 19:35DUB-USM
46h 30m2 stops
Qatar Airways Logo
11:40 - 06:00USM-DUB
25h 20m2 stops
€873Qatar Airways
Find Deal
Thu, 27 Nov - Wed, 10 Dec
Qatar Airways Logo
14:05 - 13:05DUB-USM
40h 00m2 stops
Qatar Airways Logo
11:40 - 12:35USM-DUB
31h 55m2 stops
€910Qatar Airways
Find Deal
Thu, 27 Nov - Wed, 10 Dec
Emirates Logo
13:10 - 17:00DUB-USM
20h 50m2 stops
Emirates Logo
13:25 - 06:25USM-DUB
24h 00m2 stops
€1,026Emirates
Find Deal
Mon, 24 Nov - Mon, 8 Dec
Etihad Airways Logo
08:10 - 18:15DUB-USM
27h 05m2 stops
Etihad Airways Logo
19:00 - 18:15USM-DUB
30h 15m2 stops
€1,212Etihad Airways
Find Deal
Wed, 11 Feb - Sat, 21 Feb
Emirates Logo
13:10 - 17:00DUB-USM
20h 50m2 stops
Emirates Logo
16:25 - 11:20USM-DUB
25h 55m2 stops
€1,360Emirates
Find Deal
Mon, 24 Nov - Mon, 8 Dec

Etihad Airways flights from Ireland to Ko Samui

Our best Etihad Airways deals on Ireland 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
11 Feb
DUB08:10Dublin
27h 05m
2 stops
USM18:15Ko Samui
21 Feb
USM19:00Ko Samui
30h 15m
2 stops
DUB18:15Dublin
€1,212
Find similar
Etihad Airways
21 Dec
DUB19:50Dublin
33h 05m
2 stops
USM11:55Ko Samui
28 Dec
USM17:40Ko Samui
19h 45m
2 stops
DUB06:25Dublin
€1,248
Find similar

Qatar Airways flights from Ireland to Ko Samui

Our best Qatar Airways deals on Ireland to Ko Samui flight tickets
Qatar Airways
27 Nov
DUB14:05Dublin
46h 30m
2 stops
USM19:35Ko Samui
10 Dec
USM11:40Ko Samui
25h 20m
2 stops
DUB06:00Dublin
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
€2,239
Find similar

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 8 November 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

Thu 27/11

16:45-08:00

3 stops32h 15m

Ko Samui

Wed 10/12

19:00-16:50

3 stops28h 50m

€691

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

€705

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

€761

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

€845

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

€871

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/11

14:05-19:35

2 stops46h 30m

Ko Samui

Wed 10/12

11:40-06:00

2 stops25h 20m

€873

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

€910

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 24/11

13:10-17:00

2 stops20h 50m

Ko Samui

Mon 8/12

13:25-06:25

2 stops24h 00m

€1,026

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 11/2

08:10-18:15

2 stops27h 05m

Ko Samui

Sat 21/2

19:00-18:15

2 stops30h 15m

€1,212

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Mon 24/11

13:10-17:00

2 stops20h 50m

Ko Samui

Mon 8/12

16:25-11:20

2 stops25h 55m

€1,360

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 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 March instead. Flights to Ko Samui in March, while not as cheap as those in November, still average around €810.

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 €580. Flights from Ireland to Ko Samui on a Sunday will generally be more expensive and average around €747. 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 €539. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €607.

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 €536Free 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 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.

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/12
Mon 15/12

Find better results for your trip to Thailand