Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Dublin to Ko Samui from €355

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 27/11. 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
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.
Search flight deals

Find the cheapest flights from Dublin to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:20 - 08:00DUB-USM
31h 40m3 stops
Multiple Airlines Logo
07:15 - 08:45USM-DUB
32h 30m2 stops
€661Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
17:20 - 08:00DUB-USM
31h 40m3 stops
Multiple Airlines Logo
19:00 - 22:15USM-DUB
34h 15m3 stops
€667Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
17:50 - 08:00DUB-USM
31h 10m2 stops
Multiple Airlines Logo
08:55 - 12:20USM-DUB
34h 25m2 stops
€694Multiple Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Etihad Airways Logo
20:25 - 07:20DUB-USM
28h 55m2 stops
Etihad Airways Logo
19:30 - 18:55USM-DUB
29h 25m2 stops
€695Etihad Airways
Find Deal
Thu, 9 Apr - Sun, 26 Apr
Multiple Airlines Logo
17:50 - 08:00DUB-USM
31h 10m2 stops
Multiple Airlines Logo
08:55 - 12:20USM-DUB
34h 25m2 stops
€701Multiple Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Etihad Airways Logo
08:10 - 18:25DUB-USM
27h 15m2 stops
Etihad Airways Logo
08:15 - 06:25USM-DUB
29h 10m2 stops
€714Etihad Airways
Find Deal
Wed, 18 Mar - Wed, 25 Mar
Air France Logo
16:45 - 13:05DUB-USM
37h 20m2 stops
Air France Logo
11:40 - 07:50USM-DUB
27h 10m2 stops
€733Air France
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Air France Logo
16:45 - 21:05DUB-USM
21h 20m2 stops
Air France Logo
11:40 - 07:50USM-DUB
27h 10m2 stops
€832Air France
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Austrian Airlines Logo
09:10 - 18:40DUB-USM
26h 30m3 stops
Austrian Airlines Logo
20:30 - 11:00USM-DUB
21h 30m3 stops
€968Austrian Airlines
Find Deal
Wed, 18 Mar - Wed, 25 Mar
Finnair Logo
18:05 - 09:20DUB-USM
32h 15m2 stops
Finnair Logo
07:55 - 09:00USM-DUB
32h 05m2 stops
€1,532Finnair
Find Deal
Sun, 23 Nov - Mon, 8 Dec

Air France flights from Dublin to Ko Samui

Our best Air France deals on Dublin to Ko Samui flight tickets
Air France
27 Nov
DUB16:45Dublin
37h 20m
2 stops
USM13:05Ko Samui
4 Dec
USM11:40Ko Samui
27h 10m
2 stops
DUB07:50Dublin
€733
Find similar
Air France
27 Nov
DUB16:45Dublin
21h 20m
2 stops
USM21:05Ko Samui
4 Dec
USM11:40Ko Samui
27h 10m
2 stops
DUB07:50Dublin
€832
Find similar
Air France
23 Nov
DUB16:45Dublin
21h 20m
2 stops
USM21:05Ko Samui
8 Dec
USM11:40Ko Samui
27h 10m
2 stops
DUB07:50Dublin
€896
Find similar

Etihad Airways flights from Dublin to Ko Samui

Our best Etihad Airways deals on Dublin to Ko Samui flight tickets
Etihad Airways
9 Apr
DUB20:25Dublin
28h 55m
2 stops
USM07:20Ko Samui
26 Apr
USM19:30Ko Samui
29h 25m
2 stops
DUB18:55Dublin
€695
Find similar
Etihad Airways
18 Mar
DUB08:10Dublin
27h 15m
2 stops
USM18:25Ko Samui
25 Mar
USM08:15Ko Samui
29h 10m
2 stops
DUB06:25Dublin
€714
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 15 October 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

17:20-08:00

3 stops31h 40m

Ko Samui

Thu 4/12

07:15-08:45

2 stops32h 30m

€661

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/11

17:20-08:00

3 stops31h 40m

Ko Samui

Thu 4/12

19:00-22:15

3 stops34h 15m

€667

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 28/11

17:50-08:00

2 stops31h 10m

Ko Samui

Fri 5/12

08:55-12:20

2 stops34h 25m

€694

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 9/4

20:25-07:20

2 stops28h 55m

Ko Samui

Sun 26/4

19:30-18:55

2 stops29h 25m

€695

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Fri 28/11

17:50-08:00

2 stops31h 10m

Ko Samui

Fri 5/12

08:55-12:20

2 stops34h 25m

€701

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 18/3

08:10-18:25

2 stops27h 15m

Ko Samui

Wed 25/3

08:15-06:25

2 stops29h 10m

€714

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/11

16:45-13:05

2 stops37h 20m

Ko Samui

Thu 4/12

11:40-07:50

2 stops27h 10m

€733

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Thu 27/11

16:45-21:05

2 stops21h 20m

Ko Samui

Thu 4/12

11:40-07:50

2 stops27h 10m

€832

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Wed 18/3

09:10-18:40

3 stops26h 30m

Ko Samui

Wed 25/3

20:30-11:00

3 stops21h 30m

€968

DublinKo Samui

DUB - USM

DUBUSM

Dublin

Sun 23/11

18:05-09:20

2 stops32h 15m

Ko Samui

Mon 8/12

07:55-09:00

2 stops32h 05m

€1,532

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 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 €808.

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 €579. Flights from Dublin to Ko Samui on a Sunday will generally be more expensive and average around €745. 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 €538. In contrast, the most expensive time of day to depart to Ko Samui is at midday when prices are around €606.

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 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
Qatar AirwaysPriceFrom €534Free CancellationRating
7.4
3,651 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 14/11
Fri 21/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Thailand