Which airlines fly to Ko Samui?

British Airways, Qatar Airways and Singapore Airlines are the top three most popular airlines that fly to Ko Samui from London Gatwick Airport according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Ko Samui. Keep in mind that there are 4 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

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 11% of their flights experiencing any sort of delay.

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

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

How often are flights from London to Ko Samui delayed?

Historically, on average around 11% 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 86 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.

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 4 as of February 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.

£356 Cheap Flights from London Gatwick Airport to Ko Samui in 2026

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Find the cheapest flights from London Gatwick Airport to Ko Samui

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

10:25 - 21:10

LGW

USM

28h 45m

2 stops

16:25 - 09:40

USM

LGW

23h 15m

2 stops

£716Air France

Sun, 26 Apr - Mon, 11 May

15:35 - 20:50

LGW

USM

23h 15m

2 stops

07:50 - 08:55

USM

LGW

31h 05m

2 stops

£719Multiple Airlines

Fri, 1 May - Sun, 7 Jun

09:15 - 12:45

LGW

USM

21h 30m

2 stops

09:15 - 17:50

USM

LGW

38h 35m

2 stops

£723SWISS

Mon, 11 May - Sat, 23 May

15:35 - 20:50

LGW

USM

23h 15m

2 stops

18:55 - 08:55

USM

LGW

20h 00m

2 stops

£730Multiple Airlines

Fri, 1 May - Sun, 31 May

17:00 - 08:25

LGW

USM

32h 25m

2 stops

14:05 - 06:30

USM

LGW

23h 25m

2 stops

£736Multiple Airlines

Mon, 2 Mar - Mon, 9 Mar

10:15 - 17:20

LGW

USM

25h 05m

1 stop

07:50 - 07:05

USM

LGW

29h 15m

2 stops

£741Multiple Airlines

Mon, 20 Apr - Sun, 7 Jun

10:30 - 21:20

LGW

USM

27h 50m

2 stops

19:00 - 06:30

USM

LGW

42h 30m

2 stops

£743Multiple Airlines

Thu, 5 Mar - Sun, 15 Mar

17:00 - 21:10

LGW

USM

22h 10m

2 stops

16:25 - 09:40

USM

LGW

23h 15m

2 stops

£743Air France

Sun, 26 Apr - Mon, 11 May

17:00 - 08:25

LGW

USM

32h 25m

2 stops

15:35 - 06:30

USM

LGW

21h 55m

2 stops

£746Multiple Airlines

Tue, 3 Mar - Tue, 10 Mar

10:15 - 17:20

LGW

USM

25h 05m

1 stop

18:15 - 06:55

USM

LGW

18h 40m

1 stop

£746Singapore Airlines

Mon, 18 May - Mon, 25 May

SWISS flights from London Gatwick Airport to Ko Samui

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

SWISS

11 May

LGW09:15London Gatwick

21h 30m

2 stops

USM12:45Ko Samui

23 May

USM09:15Ko Samui

38h 35m

2 stops

LGW17:50London Gatwick

£723

SWISS

10 May

LGW09:25London Gatwick

21h 20m

2 stops

USM12:45Ko Samui

23 May

USM09:15Ko Samui

29h 05m

2 stops

LGW08:20London Gatwick

£760

SWISS

9 May

LGW18:35London Gatwick

20h 35m

2 stops

USM21:10Ko Samui

24 May

USM10:05Ko Samui

28h 20m

2 stops

LGW08:25London Gatwick

£769

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 May

LGW10:15London Gatwick

25h 05m

1 stop

USM17:20Ko Samui

25 May

USM18:15Ko Samui

18h 40m

1 stop

LGW06:55London Gatwick

£746

Singapore Airlines

11 Jun

LGW10:15London Gatwick

26h 35m

1 stop

USM18:50Ko Samui

16 Jun

USM08:40Ko Samui

28h 15m

1 stop

LGW06:55London Gatwick

£776

Singapore Airlines

10 May

LGW10:15London Gatwick

25h 05m

1 stop

USM17:20Ko Samui

24 May

USM18:15Ko Samui

18h 40m

1 stop

LGW06:55London Gatwick

£778

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

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sun 26/4

10:25-21:10

2 stops28h 45m

Ko Samui

Mon 11/5

16:25-09:40

2 stops23h 15m

£716

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Fri 1/5

15:35-20:50

2 stops23h 15m

Ko Samui

Sun 7/6

07:50-08:55

2 stops31h 05m

£719

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 11/5

09:15-12:45

2 stops21h 30m

Ko Samui

Sat 23/5

09:15-17:50

2 stops38h 35m

£723

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Fri 1/5

15:35-20:50

2 stops23h 15m

Ko Samui

Sun 31/5

18:55-08:55

2 stops20h 00m

£730

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 2/3

17:00-08:25

2 stops32h 25m

Ko Samui

Mon 9/3

14:05-06:30

2 stops23h 25m

£736

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 20/4

10:15-17:20

1 stop25h 05m

Ko Samui

Sun 7/6

07:50-07:05

2 stops29h 15m

£741

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Thu 5/3

10:30-21:20

2 stops27h 50m

Ko Samui

Sun 15/3

19:00-06:30

2 stops42h 30m

£743

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sun 26/4

17:00-21:10

2 stops22h 10m

Ko Samui

Mon 11/5

16:25-09:40

2 stops23h 15m

£743

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 3/3

17:00-08:25

2 stops32h 25m

Ko Samui

Tue 10/3

15:35-06:30

2 stops21h 55m

£746

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 18/5

10:15-17:20

1 stop25h 05m

Ko Samui

Mon 25/5

18:15-06:55

1 stop18h 40m

£746

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 cheapest month to fly to Ko Samui?

The cheapest month to fly to Ko Samui from London Gatwick Airport is in May. Flight prices, which tend to average around £785, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in May, then you should wait until June to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of £791.

What is the cheapest day to depart on your flight to Ko Samui?

According to our data, Wednesday is the cheapest day to fly to Ko Samui from London Gatwick Airport. The lowest ticket price found for a Wednesday departure recently was £483. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ko Samui on Sunday is £823.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our most recent data shows that the best time of day to fly to Ko Samui is in the afternoon. Flights from London Gatwick Airport to Ko Samui during this time can be as low as £489. Flights at midday are often more expensive, with an average ticket price of £795.

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

You could potentially save up to 22% 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

Fastest flight time	18h 20m
Direct flights	None

The fastest flight from London Gatwick Airport to Ko Samui takes 18h 20m

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.

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How far is London Gatwick to Ko Samui by plane?
A flight from London Gatwick to Ko Samui will travel around 6139.0 mi. 18h 20m 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 4 as of February 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 British Airways (43% of total bookings). The next most popular airlines are Qatar Airways (24%), Singapore Airlines (22%), and Emirates (11%).

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
Qatar Airways	PriceFrom £738	Free Cancellation	Rating 7.4 3,729 reviews	Search Qatar Airways flights
Emirates	PriceFrom £748	Free Cancellation	Rating 8.1 3,495 reviews	Search Emirates flights
Singapore Airlines	PriceFrom £783	Free Cancellation	Rating 8.2 1,443 reviews	Search Singapore Airlines flights
British Airways	PriceFrom £794	Free Cancellation	Rating 6.7 7,711 reviews	Search British Airways flights

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

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

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.

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Cheap flights from London Gatwick Airport to Ko Samui from £356

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Ko Samui departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Filter for what you want

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Find the cheapest flights from London Gatwick Airport to Ko Samui

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SWISS flights from London Gatwick Airport to Ko Samui

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

Singapore Airlines flights from London Gatwick Airport to Ko Samui

Our best Singapore Airlines 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 cheapest month to fly to Ko Samui?

What is the cheapest day to depart on your flight to Ko Samui?

What is the cheapest time of day to depart on your flight to Ko Samui?

Our most recent data shows that the best time of day to fly to Ko Samui is in the afternoon. Flights from London Gatwick Airport to Ko Samui during this time can be as low as £489. Flights at midday are often more expensive, with an average ticket price of £795.

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

You could potentially save up to 22% on your flight if you consider stops on a London Gatwick Airport to Ko Samui flight.

Which airlines fly to Ko Samui?

How often are flights from London to Ko Samui delayed?

Historically, on average around 11% 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 86 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.

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

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

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 11% of their flights experiencing any sort of delay.

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

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

Fastest flight time

Direct flights

How far is London Gatwick to Ko Samui by plane?

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

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

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

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

What is the most popular airline 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?

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

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

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

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

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