Cheap Flights from Dublin to Samui International

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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 to Samui International? Find the lowest prices on one-way and return tickets right here.

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 August.

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.

Dublin to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundRs125,495
Cheapest month to flyAugust

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 Rs228,440. 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 Rs228,440.
As of May 2025, there are no flights flying from Dublin to Samui International.
The cheapest month to fly from Dublin to Samui International is usually May 2025.
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 Wednesday, 5 November 2025.
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, SWISS offers the cheapest flight tickets to Samui International.

Travelling from Dublin Airport (DUB) to Koh Samui Airport (USM): what you need to know

  • Arrive at the airport on time so you don't miss your DUB to USM flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • During popular months such as August, it's a good idea to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during a high season in general.

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

  • The lowest price we've found for a one-way Dublin Airport to Koh Samui Airport flight is Rs125,495. A round-trip fare is currently Rs228,440. Depending on the availability when you book, these fares may change.

  • It's usually best to book ahead of time if you want to get cheap tickets from DUB to USM. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • Getting cheap flights from Dublin Airport to Koh Samui Airport is easier if you're flexible with your travel dates. Use the 'Whole month' tool to see the lowest fares across the month and snap up a great deal.

  • Stay on top of deals for cheap flights from DUB to USM by creating a Price Alert. You'll get an email or notification on the app when fares go down.

  • Tailor your trip using filters. Choose your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Dublin Airport to Koh Samui Airport.

Handy information about Dublin Airport (DUB)

  • 72.87% of flights departing from Dublin Airport touch down at their destination on time.

  • To reach Dublin Airport from central Dublin, it'll take around 30 minutes if you're going by car. This depends on traffic though. It's approximately 21 kilometres from the airport to the city centre.

  • The journey when using public transport takes roughly 2 hours 10 minutes.

  • Need a handy hotel near DUB? If you're boarding an early flight from Dublin Airport to Koh Samui Airport, these accommodation options will have you moments from check-in:

Arriving at Koh Samui Airport (USM)

  • If you're arriving on a late Dublin Airport to Koh Samui Airport flight, few things beat the convenience of being close to the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these options near USM:

  • Pick up a Koh Samui Airport rental car and discover Koh Samui and beyond with your own set of wheels. Asap car hire, Hertz and Drive Car Hire are well-known companies to choose from here.

  • Lock in the lowest price by booking your vehicle from Koh Samui Airport about four weeks before your travel date.

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

  • Koh Samui Airport is approximately 3 kilometres from central Koh Samui. The time it takes to get there by ride-share or cab will depend on the time of day, so do a little research before you go.

When to fly to Koh Samui Airport (USM)

  • It's time to pick your travel dates for your flight from Dublin Airport to Koh Samui Airport. July is the busiest month to head to Koh Samui. If you prefer a more low-key vibe, go in February.

Explore more of Thailand

  • Bangkok is just one of the many cities in Thailand waiting to be explored once you've seen Koh Samui. Around 467 kilometres away to the north, well-known attractions include Grand Palace, Wat Arun and Wat Phra Kaew.

  • If there's time to check out another major destination in Thailand, head for Chon Buri, roughly 434 kilometres north of Koh Samui. Wat Ton Son, Forest and Phra Phutthasihing Hall are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.