Cheap flights from Belfast to Koh Samui

from as little as £946

8 nights in Koh Samui, departing George Best Belfast City Airport on 23 / May / 2025 with KLM (price found 35 hours ago)

Subject to availability, prices correct of the last 24 hours
Koh Samui

Cheap return flights from Belfast to Koh Samui

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The Belfast / Koh Samui route

All 10173 km of it

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Koh Samui flight facts

What you need to know

Alternative flights from the UK to Koh Samui

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Koh Samui

23 / May / 2025 is currently the lowest priced day of the year to fly the Belfast/Koh Samui route. There are around 30 flights on any given week from the UK to Koh Samui and the cheapest month to fly right now is May.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

24 °C

AVG

28 °C

HIGHEST

33 °C

Rainfall (mm)
LOWEST

33 mm

AVG

159.2 mm

HIGHEST

527 mm

Key facts about Koh Samui

How to get cheap flights from Belfast to Koh Samui

Tips and advice from our flight experts

Find a good deal on your flight from Belfast to Koh Samui with Netflights. 30 flights go via this route every week, and we've collected them all to help you find the best flight deal. If you want to keep your options open, take a look at flights from another airport in Belfast.

George Best Belfast City Airport (BHD) is the most popular airport in this city for flights to Koh Samui, and the most popular airlines are KLM, British Airways & Qantas. Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

On average, the 10173 km flight to Koh Samui takes 20 hrs 20 mins. If you want a bargain, keep an eye out for flights with KLM, as they often have good deals. Or you could broaden your search by looking at flights to other airports in Thailand to see if there are any cheaper options.

You can also compare the prices of hotels and hire cars for your stay in Thailand. Simply use the tabs above, or add them to your booking once you’ve chosen your flight.

Other popular destinations near Koh Samui

Where other people are flying to

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