Which airlines fly to Ko Samui?

Qatar Airways, British Airways and Singapore Airlines are the top three most popular airlines that fly to Ko Samui from London Gatwick Airport according to our data. Qatar Airways is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Ko Samui. Keep in mind that there are 3 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London Gatwick to Ko Samui?

Emirates is the most popular carrier operating from London Gatwick to Ko Samui

How often are flights from London to Ko Samui delayed?

Historically, on average around 10% of flights between London and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 141 minutes.

What is the most punctual flight time for London to Ko Samui flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on London to Ko Samui flights?

According to our data, JetBlue have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from London Gatwick Airport to Ko Samui Airport?

Prices for flights from London Gatwick Airport to Ko Samui Airport were last updated today.

How many operators does momondo search for flights from London Gatwick Airport to Ko Samui Airport?

The number of operators available for flights from London Gatwick Airport to Ko Samui Airport is 3 as of November 2026.

How old do you have to be to fly from London Gatwick Airport to Ko Samui Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Gatwick Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£423 Cheap Flights from London Gatwick Airport to Ko Samui in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Gatwick Airport to Ko Samui

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:40 - 10:35LGW London Gatwick-USM Ko Samui

14h 55m1 stop Bangkok Suvarnabhumi

09:20 - 21:05USM Ko Samui-LGW London Gatwick

18h 45m1 stop Bangkok Suvarnabhumi

£791Multiple Airlines

Sun, 22 Nov - Thu, 3 Dec

13:25 - 18:55LGW London Gatwick-USM Ko Samui

46h 30m2 stops Athens Eleftherios V. Singapore Changi

11:10 - 21:25USM Ko Samui-LGW London Gatwick

17h 15m1 stop Phuket City

£791Multiple Airlines

Thu, 11 Mar - Tue, 23 Mar

07:00 - 14:55LGW London Gatwick-USM Ko Samui

24h 55m3 stops Milan Malpensa Manama Bahrain Intl Bangkok Suvarnabhumi

15:50 - 07:45USM Ko Samui-LGW London Gatwick

22h 55m2 stops Phuket City Sharjah

£792Multiple Airlines

Thu, 4 Mar - Tue, 16 Mar

09:00 - 16:35LGW London Gatwick-USM Ko Samui

25h 35m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

17:50 - 06:40USM Ko Samui-LGW London Gatwick

18h 50m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

£839Qatar Airways

Sun, 2 May - Fri, 28 May

09:00 - 16:35LGW London Gatwick-USM Ko Samui

25h 35m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

17:50 - 06:40USM Ko Samui-LGW London Gatwick

18h 50m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

£839Qatar Airways

Sun, 2 May - Sat, 29 May

09:00 - 15:45LGW London Gatwick-USM Ko Samui

24h 45m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

17:25 - 06:40USM Ko Samui-LGW London Gatwick

19h 15m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

£839Qatar Airways

Sun, 2 May - Sun, 30 May

13:15 - 18:50LGW London Gatwick-USM Ko Samui

23h 35m1 stop Singapore Changi

11:05 - 06:55USM Ko Samui-LGW London Gatwick

25h 50m1 stop Singapore Changi

£868Singapore Airlines

Wed, 14 Apr - Wed, 12 May

13:15 - 18:50LGW London Gatwick-USM Ko Samui

23h 35m1 stop Singapore Changi

19:45 - 09:00USM Ko Samui-LGW London Gatwick

19h 15m1 stop Singapore Changi

£949Singapore Airlines

Sun, 2 May - Sat, 22 May

22:15 - 20:30LGW London Gatwick-USM Ko Samui

16h 15m1 stop Bangkok Suvarnabhumi

19:10 - 05:55USM Ko Samui-LGW London Gatwick

16h 45m1 stop Bangkok Suvarnabhumi

£1,047British Airways

Tue, 27 Apr - Wed, 26 May

21:20 - 11:50LGW London Gatwick-USM Ko Samui

31h 30m1 stop Bangkok Suvarnabhumi

19:40 - 05:25USM Ko Samui-LGW London Gatwick

16h 45m1 stop Bangkok Suvarnabhumi

£1,050British Airways

Sun, 21 Feb - Wed, 24 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:30 - 18:25LGW London Gatwick-USM Ko Samui

24h 55m2 stops Shanghai Pu Dong Phuket City

08:50 - 06:30USM Ko Samui-LGW London Gatwick

28h 40m3 stops Chiang Mai Kunming Changshui Shanghai Pu Dong

£816Multiple Airlines

Sat, 14 Nov - Sat, 28 Nov

12:40 - 14:55LGW London Gatwick-USM Ko Samui

19h 15m1 stop Bangkok Suvarnabhumi

20:30 - 15:35USM Ko Samui-LGW London Gatwick

26h 05m1 stop Bangkok Suvarnabhumi

£816Multiple Airlines

Sun, 15 Nov - Sun, 29 Nov

10:35 - 14:55LGW London Gatwick-USM Ko Samui

21h 20m2 stops Manama Bahrain Intl Bangkok Suvarnabhumi

15:35 - 06:20USM Ko Samui-LGW London Gatwick

21h 45m2 stops Bangkok Suvarnabhumi Manama Bahrain Intl

£823Multiple Airlines

Fri, 13 Nov - Sat, 21 Nov

10:35 - 15:40LGW London Gatwick-USM Ko Samui

22h 05m2 stops Manama Bahrain Intl Bangkok Suvarnabhumi

18:05 - 15:00USM Ko Samui-LGW London Gatwick

27h 55m3 stops Singapore Changi Vienna Intl Frankfurt am Main

£855Multiple Airlines

Fri, 13 Nov - Sat, 21 Nov

06:55 - 13:50LGW London Gatwick-USM Ko Samui

23h 55m3 stops Václav Havel Prague Sharjah Phuket City

08:50 - 06:30USM Ko Samui-LGW London Gatwick

28h 40m3 stops Chiang Mai Kunming Changshui Shanghai Pu Dong

£872Multiple Airlines

Sat, 14 Nov - Sat, 28 Nov

13:05 - 17:10LGW London Gatwick-USM Ko Samui

21h 05m1 stop Singapore Changi

18:05 - 09:05USM Ko Samui-LGW London Gatwick

22h 00m1 stop Singapore Changi

£942Singapore Airlines

Sun, 15 Nov - Tue, 24 Nov

13:05 - 17:10LGW London Gatwick-USM Ko Samui

21h 05m1 stop Singapore Changi

18:05 - 09:05USM Ko Samui-LGW London Gatwick

22h 00m1 stop Singapore Changi

£946Singapore Airlines

Sun, 15 Nov - Tue, 24 Nov

13:05 - 17:10LGW London Gatwick-USM Ko Samui

21h 05m1 stop Singapore Changi

18:05 - 09:05USM Ko Samui-LGW London Gatwick

22h 00m1 stop Singapore Changi

£947Singapore Airlines

Sun, 15 Nov - Tue, 24 Nov

13:05 - 17:10LGW London Gatwick-USM Ko Samui

21h 05m1 stop Singapore Changi

18:05 - 09:05USM Ko Samui-LGW London Gatwick

22h 00m1 stop Singapore Changi

£950Singapore Airlines

Sun, 15 Nov - Tue, 24 Nov

08:40 - 13:50LGW London Gatwick-USM Ko Samui

22h 10m2 stops Doha Hamad Intl Phuket City

12:15 - 05:55USM Ko Samui-LGW London Gatwick

24h 40m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

£975Qatar Airways

Sun, 15 Nov - Sun, 29 Nov

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Singapore Airlines flights from London Gatwick Airport to Ko Samui

Our best Singapore Airlines deals on London Gatwick Airport to Ko Samui flight tickets

Singapore Airlines

18 Nov

LGW13:05London Gatwick

21h 05m

1 stop

USM17:10Ko Samui

26 Nov

USM08:55Ko Samui

31h 10m

1 stop

LGW09:05London Gatwick

£932

Singapore Airlines

15 Nov

LGW13:05London Gatwick

21h 05m

1 stop

USM17:10Ko Samui

24 Nov

USM18:05Ko Samui

22h 00m

1 stop

LGW09:05London Gatwick

£940

Singapore Airlines

15 Nov

LGW13:05London Gatwick

21h 05m

1 stop

USM17:10Ko Samui

24 Nov

USM18:05Ko Samui

22h 00m

1 stop

LGW09:05London Gatwick

£942

Emirates flights from London Gatwick Airport to Ko Samui

Our best Emirates deals on London Gatwick Airport to Ko Samui flight tickets

Emirates

18 Nov

LGW23:55London Gatwick

27h 40m

2 stops

USM10:35Ko Samui

2 Dec

USM20:30Ko Samui

22h 10m

2 stops

LGW11:40London Gatwick

£941

Emirates

19 Nov

LGW09:40London Gatwick

24h 45m

2 stops

USM17:25Ko Samui

3 Dec

USM18:15Ko Samui

24h 25m

2 stops

LGW11:40London Gatwick

£945

momondo Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 22/11

12:40-10:35

1 stop14h 55m

Ko Samui

Thu 3/12

09:20-21:05

1 stop18h 45m

£791

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Thu 11/3

13:25-18:55

2 stops46h 30m

Ko Samui

Tue 23/3

11:10-21:25

1 stop17h 15m

£791

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Thu 4/3

07:00-14:55

3 stops24h 55m

Ko Samui

Tue 16/3

15:50-07:45

2 stops22h 55m

£792

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 2/5

09:00-16:35

2 stops25h 35m

Ko Samui

Fri 28/5

17:50-06:40

2 stops18h 50m

£839

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 2/5

09:00-16:35

2 stops25h 35m

Ko Samui

Sat 29/5

17:50-06:40

2 stops18h 50m

£839

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 2/5

09:00-15:45

2 stops24h 45m

Ko Samui

Sun 30/5

17:25-06:40

2 stops19h 15m

£839

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Wed 14/4

13:15-18:50

1 stop23h 35m

Ko Samui

Wed 12/5

11:05-06:55

1 stop25h 50m

£868

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 2/5

13:15-18:50

1 stop23h 35m

Ko Samui

Sat 22/5

19:45-09:00

1 stop19h 15m

£949

Fastest return journey

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Tue 27/4

22:15-20:30

1 stop16h 15m

Ko Samui

Wed 26/5

19:10-05:55

1 stop16h 45m

£1,047

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 21/2

21:20-11:50

1 stop31h 30m

Ko Samui

Wed 24/3

19:40-05:25

1 stop16h 45m

£1,050

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Gatwick Airport to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the typical price of a round-trip flight between London Gatwick Airport and Ko Samui?

Prices are currently typical for flights on this route.

Typical prices usually range from £744 to £883.
The lowest price recently found on this route was £791.

What is the cheapest month to fly to Ko Samui?

The cheapest month to fly to Ko Samui from London Gatwick Airport is in February. Flight prices, which tend to average around £421, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in February, then you should wait until November to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of £757.

Can stopping save me money on London Gatwick Airport to Ko Samui flights?

You could potentially save up to 39% on your flight if you consider stops on a London Gatwick Airport to Ko Samui flight.

When to book flights from London Gatwick Airport to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Gatwick Airport to Ko Samui (LGW to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Ko Samui

Best price found	£423
Fastest flight time	17h 50m
Direct flights	None

The best one-way flight to Ko Samui from London Gatwick Airport in the past 72 hours is £423. The best return flight deal from London Gatwick Airport to Ko Samui found on momondo in the last 72 hours is £791.

The fastest flight from London Gatwick Airport to Ko Samui takes 17h 50m

There are no direct flights from London Gatwick Airport to Ko Samui. There are no popular flight routes from London Gatwick Airport to Ko Samui.

Search flight deals

Frequently asked questions about flying from London Gatwick Airport to Ko Samui

How far is London Gatwick to Ko Samui by plane?
A flight from London Gatwick to Ko Samui will travel around 6139.0 mi. 17h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from London Gatwick Airport to Ko Samui Airport?
Prices for flights from London Gatwick Airport to Ko Samui Airport were last updated today.
How many operators does momondo search for flights from London Gatwick Airport to Ko Samui Airport?
The number of operators available for flights from London Gatwick Airport to Ko Samui Airport is 3 as of November 2026.
How old do you have to be to fly from London Gatwick Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Gatwick Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Gatwick Airport to Ko Samui?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Gatwick Airport to Ko Samui is Qatar Airways (46% of total bookings). The next most popular airlines are British Airways (36%) and Singapore Airlines (18%).

Best airlines flying from London Gatwick Airport to Ko Samui

Compare and see reviews for airlines that fly from London Gatwick Airport to Ko Samui with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £752	Free Cancellation	Rating 6.7 8,279 reviews	Search British Airways flights
Qatar Airways	PriceFrom £768	Free Cancellation	Rating 7.4 3,699 reviews	Search Qatar Airways flights
Singapore Airlines	PriceFrom £805	Free Cancellation	Rating 8.2 1,633 reviews	Search Singapore Airlines flights

Ko Pha Ngan

Ko Tao

Khanom

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Why should I use momondo to find a flight deal from London to Ko Samui?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ko Samui . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Ko Samui?

momondo helps you find the best flight between London and Ko Samui by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Ko Samui right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ko Samui, momondo offers a useful price alert feature which will track prices for flights to Ko Samui from London and alert you when they change.

An easier way to manage your Ko Samui trip

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Cheap flights from London Gatwick Airport to Ko Samui from £423

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Singapore Airlines flights from London Gatwick Airport to Ko Samui

Our best Singapore Airlines deals on London Gatwick Airport to Ko Samui flight tickets

Emirates flights from London Gatwick Airport to Ko Samui

Our best Emirates deals on London Gatwick Airport to Ko Samui flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Ko Samui that are best for you.

See travel insights to Ko Samui from

How to get the cheapest flight ticket from London Gatwick Airport to Ko Samui

What is the typical price of a round-trip flight between London Gatwick Airport and Ko Samui?

What is the cheapest month to fly to Ko Samui?

Can stopping save me money on London Gatwick Airport to Ko Samui flights?

What is the cheapest airline that flies from London Gatwick to Ko Samui?

Which airlines fly to Ko Samui?

How often are flights from London to Ko Samui delayed?

What is the most punctual flight time for London to Ko Samui flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on London to Ko Samui flights?

When to book flights from London Gatwick Airport to Ko Samui

Cheap London Gatwick Airport to Ko Samui (LGW to USM) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from London Gatwick Airport to Ko Samui

Best airlines flying from London Gatwick Airport to Ko Samui

Compare and see reviews for airlines that fly from London Gatwick Airport to Ko Samui with momondo

Travelling to a place near Ko Samui?

Why use momondo?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand

Fly your favourite airline to Ko Samui

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ko Samui

List of cabin classes available on flights landing in Ko Samui. Availability may vary depending on flight origin and airline.

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