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Cheap flights from Dublin to Koh Samui

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Koh Samui

Cheap return flights from Dublin to Koh Samui

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The Dublin / Koh Samui route

All 10220 km of it

Cheap flight deals for this route

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Koh Samui flight facts

What you need to know

Alternative flights from Dublin

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Koh Samui

Min / Max Temperature (°C)

24 °C


28 °C


33 °C

Rainfall (mm)

33 mm


159.2 mm


527 mm

Key facts about Koh Samui

How to get cheap flights from Dublin to Koh Samui

Tips and advice from our flight experts

We've compared all 17 flights that go to or via Koh Samui every week, to find the best deal for you. Emirates usually has the cheapest flights from Dublin to Koh Samui, so keep an eye out for them in your search results. If they’re not the cheapest option, try searching by month to compare costs throughout the week.

We scan thousands of airfares from hundreds of airlines across the globe. We've found that four airlines operate the 10220 km flight from Dublin to Koh Samui. Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute deal.

To sort cheap flights to Koh Samui, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on Emirates too, as they're the most popular airline for flying from Dublin to Koh Samui.

Flights from Dublin to Koh Samui normally take 23 hrs 50 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our hotel and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.

Other popular destinations near Koh Samui

Where other people are flying to

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