Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Gatwick Airport to Ko Samui from £323

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 17/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

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
10:30 - 17:00
LGW
-
USM
23h 30m
2 stops
Multiple Airlines Logo
20:20 - 14:00
USM
-
LGW
24h 40m
2 stops
£706Multiple Airlines
Sun, 15 Nov - Sun, 22 Nov
Multiple Airlines Logo
10:30 - 17:40
LGW
-
USM
24h 10m
2 stops
Multiple Airlines Logo
07:00 - 21:05
USM
-
LGW
21h 05m
1 stop
£708Multiple Airlines
Wed, 4 Nov - Thu, 26 Nov
Multiple Airlines Logo
12:40 - 10:35
LGW
-
USM
14h 55m
1 stop
Multiple Airlines Logo
21:30 - 15:35
USM
-
LGW
25h 05m
1 stop
£709Multiple Airlines
Tue, 3 Nov - Tue, 24 Nov
Multiple Airlines Logo
11:35 - 07:10
LGW
-
USM
36h 35m
3 stops
Multiple Airlines Logo
12:30 - 05:40
USM
-
LGW
24h 10m
2 stops
£716Multiple Airlines
Wed, 4 Nov - Thu, 26 Nov
Multiple Airlines Logo
18:10 - 21:35
LGW
-
USM
21h 25m
3 stops
Multiple Airlines Logo
11:05 - 07:05
USM
-
LGW
26h 00m
3 stops
£718Multiple Airlines
Thu, 3 Sep - Thu, 17 Sep
Multiple Airlines Logo
22:00 - 08:25
LGW
-
USM
28h 25m
2 stops
Multiple Airlines Logo
10:00 - 06:30
USM
-
LGW
27h 30m
2 stops
£721Multiple Airlines
Wed, 9 Sep - Mon, 26 Oct
Multiple Airlines Logo
17:40 - 17:40
LGW
-
USM
17h 00m
1 stop
Multiple Airlines Logo
21:30 - 15:35
USM
-
LGW
25h 05m
1 stop
£723Multiple Airlines
Wed, 4 Nov - Tue, 24 Nov
Multiple Airlines Logo
11:10 - 14:45
LGW
-
USM
21h 35m
2 stops
Multiple Airlines Logo
11:05 - 07:25
USM
-
LGW
26h 20m
3 stops
£725Multiple Airlines
Tue, 8 Sep - Tue, 6 Oct
Multiple Airlines Logo
07:00 - 18:00
LGW
-
USM
29h 00m
3 stops
Multiple Airlines Logo
08:40 - 07:25
USM
-
LGW
28h 45m
3 stops
£731Multiple Airlines
Sat, 12 Sep - Sun, 27 Sep
Multiple Airlines Logo
09:00 - 20:50
LGW
-
USM
29h 50m
2 stops
Multiple Airlines Logo
06:00 - 06:40
USM
-
LGW
30h 40m
2 stops
£732Multiple Airlines
Tue, 8 Sep - Tue, 22 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
12 Sept
LGW22:15London Gatwick
16h 15m
1 stop
USM20:30Ko Samui
20 Sept
USM19:15Ko Samui
16h 40m
1 stop
LGW05:55London Gatwick
£784
British Airways
26 Sept
LGW22:15London Gatwick
16h 15m
1 stop
USM20:30Ko Samui
9 Oct
USM19:15Ko Samui
16h 40m
1 stop
LGW05:55London Gatwick
£800
British Airways
29 Aug
LGW22:15London Gatwick
16h 15m
1 stop
USM20:30Ko Samui
11 Sept
USM19:15Ko Samui
16h 40m
1 stop
LGW05:55London Gatwick
£810

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
3 Jul
LGW09:00London Gatwick
19h 45m
2 stops
USM10:45Ko Samui
17 Jul
USM17:55Ko Samui
42h 45m
2 stops
LGW06:40London Gatwick
£987
Qatar Airways
3 Jul
LGW09:00London Gatwick
19h 45m
2 stops
USM10:45Ko Samui
17 Jul
USM14:30Ko Samui
46h 10m
2 stops
LGW06:40London Gatwick
£1,015
Qatar Airways
3 Jul
LGW09:00London Gatwick
19h 45m
2 stops
USM10:45Ko Samui
17 Jul
USM17:55Ko Samui
42h 45m
2 stops
LGW06:40London Gatwick
£1,015

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 24 June 2026.
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

Sun 15/11

10:30-17:00

2 stops23h 30m

Ko Samui

Sun 22/11

20:20-14:00

2 stops24h 40m

£706

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 4/11

10:30-17:40

2 stops24h 10m

Ko Samui

Thu 26/11

07:00-21:05

1 stop21h 05m

£708
Fastest return journey

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 3/11

12:40-10:35

1 stop14h 55m

Ko Samui

Tue 24/11

21:30-15:35

1 stop25h 05m

£709

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 4/11

11:35-07:10

3 stops36h 35m

Ko Samui

Thu 26/11

12:30-05:40

2 stops24h 10m

£716

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Thu 3/9

18:10-21:35

3 stops21h 25m

Ko Samui

Thu 17/9

11:05-07:05

3 stops26h 00m

£718

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 9/9

22:00-08:25

2 stops28h 25m

Ko Samui

Mon 26/10

10:00-06:30

2 stops27h 30m

£721

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 4/11

17:40-17:40

1 stop17h 00m

Ko Samui

Tue 24/11

21:30-15:35

1 stop25h 05m

£723

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 8/9

11:10-14:45

2 stops21h 35m

Ko Samui

Tue 6/10

11:05-07:25

3 stops26h 20m

£725

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sat 12/9

07:00-18:00

3 stops29h 00m

Ko Samui

Sun 27/9

08:40-07:25

3 stops28h 45m

£731

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 8/9

09:00-20:50

2 stops29h 50m

Ko Samui

Tue 22/9

06:00-06:40

2 stops30h 40m

£732

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 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 £823, 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 August to fly from London Gatwick Airport, when ticket prices are also cheap, with an average price of £830.

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

18h 50m

Direct flights

None
The fastest flight from London Gatwick Airport to Ko Samui takes 18h 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. 18h 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?

  • 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 £767Free CancellationRating
7.3
3,730 reviews
Search Qatar Airways flights
Singapore AirlinesPriceFrom £814Free CancellationRating
8.2
1,554 reviews
Search Singapore Airlines flights
British AirwaysPriceFrom £825Free CancellationRating
6.7
8,070 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 24/7
Fri 31/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Thailand