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655 € Cheap Flights from Dublin to Samui International

Compare Dublin to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

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Flight deals from Dublin to Samui International

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Samui International Airport? If you want to travel next month, return fares start from 909 €. Find the lowest prices on one-way and return tickets right here.
Koh Samui.655 € per passenger.Departing Tue, 1 Sep, returning Tue, 15 Sep.Return flight with Etihad Airways and Bangkok Airways.Outbound indirect flight with Etihad Airways, departs from Dublin on Tue, 1 Sep, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Tue, 15 Sep, arriving in Dublin.Price includes taxes and charges.From 655 €, select.
Koh Samui.680 € per passenger.Departing Sat, 7 Nov, returning Mon, 16 Nov.Return flight with Ryanair and Bangkok Airways.Outbound indirect flight with Ryanair, departs from Dublin on Sat, 7 Nov, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Mon, 16 Nov, arriving in Dublin.Price includes taxes and charges.From 680 €, select.
Koh Samui.692 € per passenger.Departing Sat, 29 Aug, returning Tue, 15 Sep.Return flight with Etihad Airways and Bangkok Airways.Outbound indirect flight with Etihad Airways, departs from Dublin on Sat, 29 Aug, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Tue, 15 Sep, arriving in Dublin.Price includes taxes and charges.From 692 €, select.
Koh Samui.745 € per passenger.Departing Mon, 21 Sep, returning Mon, 12 Oct.Return flight with Qatar Airways and Bangkok Airways.Outbound indirect flight with Qatar Airways, departs from Dublin on Mon, 21 Sep, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Mon, 12 Oct, arriving in Dublin.Price includes taxes and charges.From 745 €, select.
Koh Samui.752 € per passenger.Departing Wed, 5 May, returning Thu, 20 May.Return flight with Qatar Airways and Bangkok Airways.Outbound indirect flight with Qatar Airways, departs from Dublin on Wed, 5 May, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Thu, 20 May, arriving in Dublin.Price includes taxes and charges.From 752 €, select.
Koh Samui.763 € per passenger.Departing Tue, 2 Mar, returning Tue, 16 Mar.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Dublin on Tue, 2 Mar, arriving in Samui International.Inbound indirect flight with Lufthansa, departs from Samui International on Tue, 16 Mar, arriving in Dublin.Price includes taxes and charges.From 763 €, select.
Koh Samui.767 € per passenger.Departing Wed, 26 May, returning Thu, 10 Jun.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Dublin on Wed, 26 May, arriving in Samui International.Inbound indirect flight with SWISS, departs from Samui International on Thu, 10 Jun, arriving in Dublin.Price includes taxes and charges.From 767 €, select.
Koh Samui.767 € per passenger.Departing Mon, 12 Oct, returning Sat, 24 Oct.Return flight with Etihad Airways and Bangkok Airways.Outbound indirect flight with Etihad Airways, departs from Dublin on Mon, 12 Oct, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sat, 24 Oct, arriving in Dublin.Price includes taxes and charges.From 767 €, select.
Koh Samui.774 € per passenger.Departing Sat, 21 Nov, returning Wed, 2 Dec.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Dublin on Sat, 21 Nov, arriving in Samui International.Inbound indirect flight with SWISS, departs from Samui International on Wed, 2 Dec, arriving in Dublin.Price includes taxes and charges.From 774 €, select.
Koh Samui.775 € per passenger.Departing Mon, 25 Jan, returning Mon, 1 Feb.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Dublin on Mon, 25 Jan, arriving in Samui International.Inbound indirect flight with Lufthansa, departs from Samui International on Mon, 1 Feb, arriving in Dublin.Price includes taxes and charges.From 775 €, select.
Koh Samui.776 € per passenger.Departing Mon, 8 Feb, returning Wed, 3 Mar.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Dublin on Mon, 8 Feb, arriving in Samui International.Inbound indirect flight with Lufthansa, departs from Samui International on Wed, 3 Mar, arriving in Dublin.Price includes taxes and charges.From 776 €, select.
Koh Samui.778 € per passenger.Departing Thu, 29 Oct, returning Thu, 5 Nov.Return flight with Etihad Airways and Bangkok Airways.Outbound indirect flight with Etihad Airways, departs from Dublin on Thu, 29 Oct, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Thu, 5 Nov, arriving in Dublin.Price includes taxes and charges.From 778 €, select.
Koh Samui.778 € per passenger.Departing Wed, 10 Mar, returning Thu, 3 Jun.Return flight with Lufthansa and SWISS.Outbound indirect flight with Lufthansa, departs from Dublin on Wed, 10 Mar, arriving in Samui International.Inbound indirect flight with SWISS, departs from Samui International on Thu, 3 Jun, arriving in Dublin.Price includes taxes and charges.From 778 €, select.
Koh Samui.797 € per passenger.Departing Tue, 2 Feb, returning Wed, 24 Feb.Return flight with Etihad Airways and Bangkok Airways.Outbound indirect flight with Etihad Airways, departs from Dublin on Tue, 2 Feb, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 24 Feb, arriving in Dublin.Price includes taxes and charges.From 797 €, select.
Koh Samui.813 € per passenger.Departing Thu, 14 Jan, returning Sun, 31 Jan.Return flight with Etihad Airways and Bangkok Airways.Outbound indirect flight with Etihad Airways, departs from Dublin on Thu, 14 Jan, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sun, 31 Jan, arriving in Dublin.Price includes taxes and charges.From 813 €, select.
Koh Samui.816 € per passenger.Departing Fri, 23 Apr, returning Sat, 8 May.Return flight with Etihad Airways and Bangkok Airways.Outbound indirect flight with Etihad Airways, departs from Dublin on Fri, 23 Apr, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sat, 8 May, arriving in Dublin.Price includes taxes and charges.From 816 €, select.

Find the cheapest month to fly from Dublin to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Samui International flights are currently cheapest in September.
Jun
from 818 €
Jul
from 909 €
Aug
from 950 €
Sep
from 655 €
Oct
from 767 €
Nov
from 680 €
Dec
from 825 €
Jan
from 813 €
Feb
from 797 €
Mar
from 763 €
Apr
from 843 €
May
from 752 €

Dublin to Samui International: Alternative routes

Compare routes from Dublin to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Samui International

5km from central Koh Samui
ClosestCheapest
from 655 €
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Dublin to Koh Samui: Flight information

The things to know before you go.
Cheapest flight found655 €
Cheapest month to flySeptember

Finding cheap flights from Dublin to Samui International: Frequently asked questions

The best price we found for a return flight from Dublin to Samui International is 655 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Dublin to Samui International. But we found flights with one or more stops from 655 €.
As of June 2026, there are no flights flying from Dublin to Samui International.
The cheapest month to fly from Dublin to Samui International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Samui International Airport on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Dublin Airport and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Etihad Airways offers the cheapest flight tickets to Samui International.

Flying from Dublin Airport (DUB) to Samui International Airport (USM): what you need to know

  • The timezone in Koh Samui is UTC+7, which is seven hours ahead of Dublin.

  • Leave plenty of time to catch your DUB to USM flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, you'll want to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during peak periods in general.

How to find the cheapest flights from Dublin Airport (DUB) to Samui International Airport (USM)

  • At the moment, 348 € is the cheapest price we've seen for a one-way Dublin Airport to Samui International Airport flight. The best price for a return ticket is 655 €. Remember that fares could change due to demand at the time of booking.

  • To pick up cheap tickets from DUB to USM, book ahead. Airlines tend to offer their best fares when flights are first made available.

  • The 'Whole month' search function shows you the cheapest flights from Dublin Airport to Samui International Airport throughout the month. It's an easy way to find a bargain if your trip dates are flexible.

  • You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment the price changes on cheap flights from DUB to USM.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Dublin Airport to Samui International Airport.

Handy information about Dublin Airport (DUB)

  • When it comes to the on-time performance of Dublin Airport, 77% of flights arrive within the scheduled timeframe.

  • Dublin Airport is around 11 kilometres from central Dublin. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 25 minutes or so to get there, depending on the traffic.

  • The journey when using public transport takes roughly 30 minutes.

  • Catching an early flight from Dublin Airport to Samui International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by picking one of these stays close to DUB:

Arriving at Samui International Airport (USM)

  • If you have a late Dublin Airport to Samui International Airport flight, nothing beats the convenience of being near the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these hotels near USM:

  • Hit the road running by picking up a Samui International Airport rental car. Grab a set of wheels from asap car rental, Hertz or Drive Car Rental and explore beyond Koh Samui's main sights.

  • For the lowest price, reserve your vehicle from Samui International Airport around four weeks before you set off.

Getting from Samui International Airport (USM) to central Koh Samui

  • From Samui International Airport, Koh Samui is approximately 11 kilometres away. It takes around 20 minutes to reach the centre driving.

  • It typically takes 30 minutes to get there using public transport.

When to fly to Samui International Airport (USM)

  • December is the most popular month for flights from Dublin Airport to Samui International Airport. To escape the crowds, visit Koh Samui in May.

  • Book your flight from Dublin Airport to Samui International Airport for May if you'd like to explore Koh Samui during its warmest month. You can expect temperatures of between 25ºC (77ºF) and 30ºC (86ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from DUB to USM in January. Temperatures average between 23ºC (73ºF) and 28ºC (82ºF) then.

Explore more of Thailand

  • You've seen Koh Samui, now it's time to explore more of Thailand. Travel about 467 kilometres north to Bangkok to check off its top sights. From Grand Palace to Wat Phra Kaew and Songkran Festival Silom, you've got a jam-packed schedule ahead.

More travel options

Plan the rest of your trip from Dublin to Koh Samui

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.