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Cheap flights from London Gatwick Airport to Ko Samui from £313

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 23/11. 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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Find the cheapest flights from London Gatwick Airport to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:35 - 21:10LGW-USM
20h 35m2 stops
Multiple Airlines Logo
10:05 - 17:50USM-LGW
37h 45m2 stops
£706Multiple Airlines
Find Deal
Tue, 28 Apr - Tue, 12 May
Multiple Airlines Logo
10:35 - 18:15LGW-USM
24h 40m2 stops
Multiple Airlines Logo
08:15 - 06:20USM-LGW
29h 05m2 stops
£706Multiple Airlines
Find Deal
Wed, 21 Jan - Thu, 5 Feb
Multiple Airlines Logo
18:35 - 21:10LGW-USM
20h 35m2 stops
Multiple Airlines Logo
09:15 - 17:50USM-LGW
38h 35m2 stops
£707Multiple Airlines
Find Deal
Tue, 28 Apr - Tue, 12 May
Multiple Airlines Logo
10:30 - 07:45LGW-USM
38h 15m2 stops
Multiple Airlines Logo
19:00 - 06:30USM-LGW
42h 30m2 stops
£708Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
10:30 - 18:05LGW-USM
24h 35m2 stops
Multiple Airlines Logo
12:30 - 14:00USM-LGW
32h 30m2 stops
£709Multiple Airlines
Find Deal
Thu, 20 Nov - Thu, 11 Dec
Multiple Airlines Logo
10:30 - 19:50LGW-USM
26h 20m2 stops
Multiple Airlines Logo
09:20 - 06:30USM-LGW
28h 10m2 stops
£714Multiple Airlines
Find Deal
Fri, 23 Jan - Sun, 1 Feb
Multiple Airlines Logo
15:40 - 20:25LGW-USM
21h 45m2 stops
Multiple Airlines Logo
19:35 - 14:25USM-LGW
25h 50m1 stop
£725Multiple Airlines
Find Deal
Sat, 22 Nov - Mon, 15 Dec
Multiple Airlines Logo
16:00 - 20:30LGW-USM
21h 30m1 stop
Multiple Airlines Logo
18:35 - 18:30USM-LGW
30h 55m1 stop
£728Multiple Airlines
Find Deal
Tue, 25 Nov - Sun, 30 Nov
Singapore Airlines Logo
09:20 - 17:10LGW-USM
24h 50m1 stop
Singapore Airlines Logo
08:55 - 06:25USM-LGW
28h 30m1 stop
£776Singapore Airlines
Find Deal
Tue, 13 Jan - Tue, 27 Jan
Singapore Airlines Logo
09:25 - 18:50LGW-USM
26h 25m1 stop
Singapore Airlines Logo
08:55 - 06:25USM-LGW
28h 30m1 stop
£776Singapore Airlines
Find Deal
Mon, 23 Feb - Mon, 9 Mar

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
13 Jan
LGW09:20London Gatwick
24h 50m
1 stop
USM17:10Ko Samui
27 Jan
USM08:55Ko Samui
28h 30m
1 stop
LGW06:25London Gatwick
£776
Find similar
Singapore Airlines
23 Feb
LGW09:25London Gatwick
26h 25m
1 stop
USM18:50Ko Samui
9 Mar
USM08:55Ko Samui
28h 30m
1 stop
LGW06:25London Gatwick
£776
Find similar
Singapore Airlines
1 Feb
LGW09:25London Gatwick
26h 25m
1 stop
USM18:50Ko Samui
15 Feb
USM08:55Ko Samui
28h 30m
1 stop
LGW06:25London Gatwick
£805
Find similar

British Airways flights from London Gatwick Airport to Ko Samui

Our best British Airways deals on London Gatwick Airport to Ko Samui flight tickets
British Airways
18 Nov
LGW21:15London Gatwick
16h 00m
1 stop
USM20:15Ko Samui
9 Dec
USM19:10Ko Samui
17h 20m
1 stop
LGW05:30London Gatwick
£976
Find similar
British Airways
16 Nov
LGW21:15London Gatwick
16h 10m
1 stop
USM20:25Ko Samui
12 Dec
USM19:10Ko Samui
17h 20m
1 stop
LGW05:30London Gatwick
£1,031
Find similar
British Airways
18 Nov
LGW21:15London Gatwick
16h 10m
1 stop
USM20:25Ko Samui
3 Dec
USM17:40Ko Samui
18h 50m
1 stop
LGW05:30London Gatwick
£1,044
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 4 November 2025.
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

Tue 28/4

18:35-21:10

2 stops20h 35m

Ko Samui

Tue 12/5

10:05-17:50

2 stops37h 45m

£706

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 21/1

10:35-18:15

2 stops24h 40m

Ko Samui

Thu 5/2

08:15-06:20

2 stops29h 05m

£706

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 28/4

18:35-21:10

2 stops20h 35m

Ko Samui

Tue 12/5

09:15-17:50

2 stops38h 35m

£707

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 1/12

10:30-07:45

2 stops38h 15m

Ko Samui

Mon 8/12

19:00-06:30

2 stops42h 30m

£708

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Thu 20/11

10:30-18:05

2 stops24h 35m

Ko Samui

Thu 11/12

12:30-14:00

2 stops32h 30m

£709

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Fri 23/1

10:30-19:50

2 stops26h 20m

Ko Samui

Sun 1/2

09:20-06:30

2 stops28h 10m

£714

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sat 22/11

15:40-20:25

2 stops21h 45m

Ko Samui

Mon 15/12

19:35-14:25

1 stop25h 50m

£725

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 25/11

16:00-20:30

1 stop21h 30m

Ko Samui

Sun 30/11

18:35-18:30

1 stop30h 55m

£728

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 13/1

09:20-17:10

1 stop24h 50m

Ko Samui

Tue 27/1

08:55-06:25

1 stop28h 30m

£776

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 23/2

09:25-18:50

1 stop26h 25m

Ko Samui

Mon 9/3

08:55-06:25

1 stop28h 30m

£776

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ko Samui from

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

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 £824, 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 May to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of £842.

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 £503. 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 £858.

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 £510. Flights at midday are often more expensive, with an average ticket price of £828.

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

Direct flights

None
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

  • How far is London Gatwick to Ko Samui by plane?

    A flight from London Gatwick to Ko Samui will travel around 6139.0 mi. 13h 55m 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?

  • 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?

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 AirwaysPriceFrom £770Free CancellationRating
7.4
3,660 reviews
Search Qatar Airways flights
Singapore AirlinesPriceFrom £800Free CancellationRating
8.1
1,391 reviews
Search Singapore Airlines flights
British AirwaysPriceFrom £828Free CancellationRating
6.7
7,494 reviews
Search British Airways flights

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
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.

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