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.

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.

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 3 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

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 May 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.

£334 Cheap Flights from London Gatwick Airport to Ko Samui in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from £993 to £760. The lowest price recently found on this route was £760.

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Find the cheapest flights from London Gatwick Airport to Ko Samui

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:15 - 16:55

LGW

USM

25h 40m

2 stops

15:25 - 06:40

USM

LGW

21h 15m

2 stops

£760Qatar Airways

Mon, 8 Jun - Wed, 24 Jun

08:10 - 11:40

LGW

USM

21h 30m

2 stops

07:50 - 06:40

USM

LGW

28h 50m

2 stops

£766Multiple Airlines

Fri, 18 Sep - Wed, 30 Sep

15:40 - 21:35

LGW

USM

23h 55m

2 stops

17:50 - 14:45

USM

LGW

26h 55m

2 stops

£767Multiple Airlines

Thu, 25 Jun - Thu, 2 Jul

09:15 - 20:25

LGW

USM

29h 10m

2 stops

17:55 - 06:40

USM

LGW

18h 45m

2 stops

£771Qatar Airways

Sat, 13 Jun - Wed, 24 Jun

09:15 - 18:00

LGW

USM

26h 45m

2 stops

17:25 - 06:55

USM

LGW

19h 30m

2 stops

£771Multiple Airlines

Sat, 6 Jun - Sat, 20 Jun

16:10 - 20:30

LGW

USM

22h 20m

3 stops

08:40 - 07:30

USM

LGW

28h 50m

3 stops

£778Multiple Airlines

Wed, 24 Jun - Wed, 1 Jul

09:05 - 17:45

LGW

USM

26h 40m

2 stops

06:00 - 06:40

USM

LGW

30h 40m

2 stops

£779Multiple Airlines

Tue, 9 Jun - Mon, 22 Jun

09:05 - 16:50

LGW

USM

25h 45m

2 stops

11:25 - 07:45

USM

LGW

26h 20m

2 stops

£782Qatar Airways

Mon, 8 Jun - Sun, 14 Jun

12:00 - 17:45

LGW

USM

23h 45m

3 stops

18:15 - 08:25

USM

LGW

20h 10m

2 stops

£788Multiple Airlines

Wed, 10 Jun - Wed, 17 Jun

12:00 - 17:45

LGW

USM

23h 45m

3 stops

09:15 - 08:25

USM

LGW

29h 10m

2 stops

£788Multiple Airlines

Mon, 8 Jun - Sun, 14 Jun

Qatar Airways flights from London Gatwick Airport to Ko Samui

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

Qatar Airways

8 Jun

LGW09:15London Gatwick

25h 40m

2 stops

USM16:55Ko Samui

24 Jun

USM15:25Ko Samui

21h 15m

2 stops

LGW06:40London Gatwick

£760

Qatar Airways

13 Jun

LGW09:15London Gatwick

29h 10m

2 stops

USM20:25Ko Samui

24 Jun

USM17:55Ko Samui

18h 45m

2 stops

LGW06:40London Gatwick

£771

Qatar Airways

8 Jun

LGW09:05London Gatwick

25h 45m

2 stops

USM16:50Ko Samui

14 Jun

USM11:25Ko Samui

26h 20m

2 stops

LGW07:45London Gatwick

£782

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

5 Nov

LGW13:00London Gatwick

21h 10m

1 stop

USM17:10Ko Samui

26 Nov

USM18:05Ko Samui

19h 20m

1 stop

LGW06:25London Gatwick

£808

Singapore Airlines

26 Oct

LGW13:00London Gatwick

21h 10m

1 stop

USM17:10Ko Samui

31 Oct

USM19:45Ko Samui

20h 15m

1 stop

LGW09:00London Gatwick

£838

Singapore Airlines

1 Sept

LGW13:15London Gatwick

36h 30m

1 stop

USM07:45Ko Samui

6 Oct

USM11:05Ko Samui

25h 50m

1 stop

LGW06:55London Gatwick

£841

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 - USM

LGWUSM

London Gatwick

Mon 8/6

09:15-16:55

2 stops25h 40m

Ko Samui

Wed 24/6

15:25-06:40

2 stops21h 15m

£760

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Fri 18/9

08:10-11:40

2 stops21h 30m

Ko Samui

Wed 30/9

07:50-06:40

2 stops28h 50m

£766

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Thu 25/6

15:40-21:35

2 stops23h 55m

Ko Samui

Thu 2/7

17:50-14:45

2 stops26h 55m

£767

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sat 13/6

09:15-20:25

2 stops29h 10m

Ko Samui

Wed 24/6

17:55-06:40

2 stops18h 45m

£771

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sat 6/6

09:15-18:00

2 stops26h 45m

Ko Samui

Sat 20/6

17:25-06:55

2 stops19h 30m

£771

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 24/6

16:10-20:30

3 stops22h 20m

Ko Samui

Wed 1/7

08:40-07:30

3 stops28h 50m

£778

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 9/6

09:05-17:45

2 stops26h 40m

Ko Samui

Mon 22/6

06:00-06:40

2 stops30h 40m

£779

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 8/6

09:05-16:50

2 stops25h 45m

Ko Samui

Sun 14/6

11:25-07:45

2 stops26h 20m

£782

Fastest return journey

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 10/6

12:00-17:45

3 stops23h 45m

Ko Samui

Wed 17/6

18:15-08:25

2 stops20h 10m

£788

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 8/6

12:00-17:45

3 stops23h 45m

Ko Samui

Sun 14/6

09:15-08:25

2 stops29h 10m

£788

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?

What is the cheapest month to fly to Ko Samui?

The cheapest month to fly to Ko Samui from London Gatwick Airport is in June. Flight prices, which tend to average around £799, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in June, then you should wait until April to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of £857.

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

You could potentially save up to 41% 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	16h 50m
Direct flights	None

The fastest flight from London Gatwick Airport to Ko Samui takes 16h 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. 16h 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 May 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 (30%) and Singapore Airlines (26%).

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 £746	Free Cancellation	Rating 7.4 3,728 reviews	Search Qatar Airways flights
Singapore Airlines	PriceFrom £791	Free Cancellation	Rating 8.2 1,513 reviews	Search Singapore Airlines flights
British Airways	PriceFrom £817	Free Cancellation	Rating 6.7 7,979 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 £334

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Qatar Airways flights from London Gatwick Airport to Ko Samui

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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?

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

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

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

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Find better results for your trip to Thailand

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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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