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Flights to Ko Samui

Find cheap flights to Ko Samui in 2025/2026 from £475 This is the cheapest return flight found to Ko Samui from UK on FlightsFinder on March 14th 2025 at 08:44. This offer may no longer be available. Click the offer to check live prices & dates of travel.

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Our Flight Finder compares the cheapest flights to Ko Samui from the most established flight comparison sites.
Fly to Ko Samui and visit sites like Chaweng Beach, Lamai Beach, Maenam Beach & Bo Phut Beach.

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What are the cheapest return flights to Ko Samui in 2025/2026?

These economy flights were found on FlightsFinder from UK to Ko Samui in the last few days. Prices subject to availability.

What are the cheapest one-way flights to Ko Samui in 2025/2026?

These economy flights were found on FlightsFinder from UK to Ko Samui in the last few days. Prices subject to availability.

When are flights to Ko Samui cheapest?

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The month of May

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According to our data, May is on average the cheapest time to book flights to Ko Samui.
You can get flights from £475 return.

When is the most expensive time to fly to Ko Samui?

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The month of July

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According to our data, July is on average the most expensive time to book flights to Ko Samui.
A return flight could set you back more than £712.

Why fly to Ko Samui?

Ko Samui, an idyllic island paradise nestled in the Gulf of Thailand, captures the hearts of visitors with its pristine white sandy beaches, crystal-clear turquoise waters, and lush tropical landscapes. This enchanting destination offers a perfect blend of serenity and vibrant energy, making it a haven for relaxation and adventure seekers alike. Explore picturesque fishing villages, indulge in sumptuous local cuisine, or snorkel in the vibrant coral reefs teeming with marine life. Whether you seek tranquillity under swaying palm trees or excitement in bustling markets, Ko Samui promises an unforgettable journey of discovery and relaxation.

Frequently asked questions about Flights to Ko Samui

What is considered a good price to Ko Samui?

Which popular airports are close to Ko Samui?

How long does it take to fly to Ko Samui?

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Are there direct flights to Ko Samui?

What is the weather like in Ko Samui?

How far is the main airport in Ko Samui from the city centre?

How far in advance should I book my flight to Ko Samui?

Which day is cheapest to fly to Ko Samui?

Weather in Ko Samui

Clouds
Clouds

28.3 °C

Fri, 14 Mar 2025

Average Temperature

29°C

Jan

29°C

Feb

31°C

Mar

32°C

Apr

33°C

May

33°C

Jun

32°C

Jul

32°C

Aug

32°C

Sep

31°C

Oct

30°C

Nov

29°C

Dec

Ko Samui

Flight Distance and Flying Time to Ko Samui

London, England UK - Heathrow International Airport (LHR) to Ko Samui (USM)

Distance:
6,149 miles (9,896 kilometres)

Average flight time (direct 14 hours 9 minutes)

London, England UK - London Gatwick International Airport (LGW) to Ko Samui (USM)

Distance:
6,143 miles (9,886 kilometres)

Average flight time (direct 14 hours 9 minutes)

Manchester, England UK - Manchester Airport (MAN) to Ko Samui (USM)

Distance:
6,189 miles (9,961 kilometres)

Average flight time (direct 14 hours 15 minutes)

London, England UK - London North East - Stansted International Airport (STN) to Ko Samui (USM)

Distance:
6,113 miles (9,838 kilometres)

Average flight time (direct 14 hours 5 minutes)

London, England UK - London North, Luton International Airport (LTN) to Ko Samui (USM)

Distance:
6,138 miles (9,878 kilometres)

Average flight time (direct 14 hours 8 minutes)

Edinburgh, Scotland UK - Airport (EDI) to Ko Samui (USM)

Distance:
6,182 miles (9,949 kilometres)

Average flight time (direct 14 hours 14 minutes)

Birmingham, England UK - Birmingham Airport (BHX) to Ko Samui (USM)

Distance:
6,185 miles (9,953 kilometres)

Average flight time (direct 14 hours 14 minutes)

Bristol, UK - Bristol Airport (BRS) to Ko Samui (USM)

Distance:
6,244 miles (10,049 kilometres)

Average flight time (direct 14 hours 22 minutes)

Glasgow, Scotland UK - Glasgow International Airport (GLA) to Ko Samui (USM)

Distance:
6,223 miles (10,015 kilometres)

Average flight time (direct 14 hours 19 minutes)

Belfast, Ireland UK - Belfast International Airport (BFS) to Ko Samui (USM)

Distance:
6,316 miles (10,164 kilometres)

Average flight time (direct 14 hours 32 minutes)

Newcastle, UK - Newcastle International Airport (NCL) to Ko Samui (USM)

Distance:
6,136 miles (9,875 kilometres)

Average flight time (direct 14 hours 8 minutes)

London, England UK - Royal Docks - London City Airport (LCY) to Ko Samui (USM)

Distance:
6,127 miles (9,860 kilometres)

Average flight time (direct 14 hours 6 minutes)

Liverpool, UK - John Lennon Airport (LPL) to Ko Samui (USM)

Distance:
6,213 miles (9,998 kilometres)

Average flight time (direct 14 hours 18 minutes)

Nottingham, UK - East Midlands Airport (EMA) to Ko Samui (USM)

Distance:
6,161 miles (9,915 kilometres)

Average flight time (direct 14 hours 11 minutes)

Leeds, UK - Leeds/Bradford Airport (LBA) to Ko Samui (USM)

Distance:
6,156 miles (9,907 kilometres)

Average flight time (direct 14 hours 10 minutes)

Aberdeen, Scotland UK - Dyce Airport (ABZ) to Ko Samui (USM)

Distance:
6,115 miles (9,842 kilometres)

Average flight time (direct 14 hours 5 minutes)

Belfast, Ireland UK - George Best City Apt Airport (BHD) to Ko Samui (USM)

Distance:
6,304 miles (10,145 kilometres)

Average flight time (direct 14 hours 30 minutes)

London, England UK - London South, Southend Airport (SEN) to Ko Samui (USM)

Distance:
6,099 miles (9,815 kilometres)

Average flight time (direct 14 hours 3 minutes)

Southampton, UK - Southampton Airport (SOU) to Ko Samui (USM)

Distance:
6,195 miles (9,970 kilometres)

Average flight time (direct 14 hours 16 minutes)

Jersey, UK - Jersey Airport (JER) to Ko Samui (USM)

Distance:
6,263 miles (10,079 kilometres)

Average flight time (direct 14 hours 25 minutes)

Cardiff, Wales - UK - Cardiff Airport (CWL) to Ko Samui (USM)

Distance:
6,270 miles (10,091 kilometres)

Average flight time (direct 14 hours 25 minutes)

Doncaster, UK - Sheffield/ Robin Hood Airport (DSA) to Ko Samui (USM)

Distance:
6,137 miles (9,876 kilometres)

Average flight time (direct 14 hours 8 minutes)

Map of Ko Samui

Travel Videos About Ko Samui

Cheapest flight routes found to Ko Samui

From London

From London (LHR), UK to Koh Samui, Thailand (USM): £475

Depart: 11 May 2025 · Return: 25 May 2025 Price found 14 Mar 2025, 08:44

From Manchester

From Manchester (MAN), UK to Koh Samui, Thailand (USM): £620

Depart: 09 Jun 2025 · Return: 23 Jun 2025 Price found 14 Mar 2025, 00:05

From Edinburgh

From Edinburgh (EDI), UK to Koh Samui, Thailand (USM): £632

Depart: 02 Jun 2025 · Return: 22 Jun 2025 Price found 10 Mar 2025, 14:07

From Birmingham

From Birmingham (BHX), UK to Koh Samui, Thailand (USM): £672

Depart: 13 Jun 2025 · Return: 01 Jul 2025 Price found 12 Mar 2025, 18:10

From Newcastle

From Newcastle (NCL), UK to Koh Samui, Thailand (USM): £710

Depart: 18 May 2025 · Return: 05 Jun 2025 Price found 14 Mar 2025, 01:59

From Bristol

From Bristol (BRS), UK to Koh Samui, Thailand (USM): £773

Depart: 01 Jul 2025 · Return: 31 Jul 2025 Price found 13 Mar 2025, 15:44

From Leeds

From Leeds (LBA), UK to Koh Samui, Thailand (USM): £785

Depart: 06 May 2025 · Return: 10 Jun 2025 Price found 11 Mar 2025, 18:02

From Liverpool

From Liverpool (LPL), UK to Koh Samui, Thailand (USM): £801

Depart: 06 May 2025 · Return: 10 Jun 2025 Price found 11 Mar 2025, 18:02

From Glasgow

From Glasgow (GLA), UK to Koh Samui, Thailand (USM): £807

Depart: 25 Mar 2025 · Return: 01 Apr 2025 Price found 11 Mar 2025, 11:41

From Belfast

From Belfast (BFS), UK to Koh Samui, Thailand (USM): £812

Depart: 21 May 2025 · Return: 28 May 2025 Price found 13 Mar 2025, 18:01

From Aberdeen

From Aberdeen (ABZ), UK to Koh Samui, Thailand (USM): £827

Depart: 16 May 2025 · Return: 30 May 2025 Price found 11 Mar 2025, 13:28

From Nottingham

From Nottingham (EMA), UK to Koh Samui, Thailand (USM): £857

Depart: 12 May 2025 · Return: 19 May 2025 Price found 10 Mar 2025, 23:01

From Cardiff

From Cardiff (CWL), UK to Koh Samui, Thailand (USM): £897

Depart: 26 Sep 2025 · Return: 10 Oct 2025 Price found 10 Mar 2025, 11:04

From Southampton

From Southampton (SOU), UK to Koh Samui, Thailand (USM): £921

Depart: 21 Mar 2025 · Return: 30 Mar 2025 Price found 12 Mar 2025, 12:15