Cheap flights from London to Koh Samui

from as little as £740

27 nights in Koh Samui, departing London Heathrow on 11 / May / 2023 with Lufthansa (price found 27 hours ago)

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

Cheap return flights from London to Koh Samui

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The London / Koh Samui route

All 9894 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

Today alone, Netflights has searched over 7,875 flights. 11 / May / 2023 is currently the lowest priced day of the year to fly the London/Koh Samui route. There are around 1,641 flights on any given week from the UK to Koh Samui and the cheapest month to fly right now is May.

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 London to Koh Samui

Tips and advice from our flight experts

Find a good deal on your flight from London to Koh Samui with Netflights. 1,641 flights go via this route every week, and we've collected them all to help you find the best deal. If you want to keep your options open, take a look at flights from another airport in London.

Generally, London Heathrow (LHR) is the most popular choice for flights to Koh Samui. And the most popular airlines are Thai Airways International, Turkish Airlines & Lufthansa. But when you fly is just as important as who you fly with. If you're flexible on dates, try searching by month to see when the cheapest flights are.

On average, the 9894 km flight to Koh Samui takes 18 hrs 30 mins. If you want a bargain, keep an eye out for flights with EVA Air, 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.

We’ve scanned 7,875 flights today to help you find the cheapest deals – not just to Koh Samui, but worldwide. 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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