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

Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

What’s the top stopover airport for flights from London Gatwick Airport to Ko Samui?

Bangkok (BKK) – chosen by Cheapflights users on 55% of one-stop itineraries from London Gatwick Airport to Ko Samui on Cheapflights.

What’s the fastest stopover option from London Gatwick Airport to Ko Samui?

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 16h 00m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Ko Samui?

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 2h 37m.

How often are flights from London to Ko Samui delayed?

About 11% of weekly flights between London and Ko Samui have experienced delays in the past year, with the average delay time being 106 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Ko Samui?

Singapore (SIN) is the most affordable one-stop option, with an average return flight price of £916.

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

Over the past year, JetBlue have had the lowest number of delays on this route, with just 11% of flights being delayed.

How long is the flight from London Gatwick Airport to Ko Samui?

Departing from London Gatwick Airport to Ko Samui will take you 20h 35m. The distance from London Gatwick Airport to Ko Samui is about 6138 mi.

What are the cheapest airlines flying from London Gatwick Airport to Ko Samui round-trip?

Currently priced at £741, British Airways will fly you from London Gatwick Airport to Ko Samui and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qatar Airways and Singapore Airlines - these airlines can fly you to your destination from £749 and £803, respectively. You may be able to fly from London Gatwick Airport to Ko Samui for 21% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

What are the most popular airlines that fly from London Gatwick Airport to Ko Samui?

Qatar Airways, British Airways and Singapore Airlines are the most popular airlines when flying from London Gatwick Airport to Ko Samui.

What is the cheapest time of day to fly from LGW to USM?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Ko Samui as you normally would.

What airport do you fly into for flights to Ko Samui from London Gatwick?

If you book a flight to Ko Samui from London Gatwick, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 2.1 mi from the center of Ko Samui. There are 0 flights from London Gatwick to Ko Samui per day from 3 different airlines.

Can I find deals for flights from Gatwick to Ko Samui that include hotel bookings?

Yes. In addition to deals on Gatwick to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Gatwick to Ko Samui?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Ko Samui.

Can I find deals for business class flights from Gatwick to Ko Samui?

Yes. Cheapflights offers flight deals from Gatwick to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£302+ Cheap Flights from London Gatwick Airport to Ko Samui

Cheap flight deals from Gatwick to Ko Samui

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Gatwick to Ko Samui
Explore the most affordable flight options available from Gatwick to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 August 2026.

Wed 28/1017:40 -

1 stop17h 00m

Thu 12/1107:55 -

1 stop20h 10m

Deal found 5/8£678

Mon 9/1118:40 -

2 stops19h 25m

Sat 21/1109:20 -

2 stops29h 30m

Deal found 5/8£679

Mon 21/910:20 -

2 stops25h 25m

Mon 28/910:05 -

2 stops34h 35m

Deal found 7/8£681

Mon 14/922:00 -

2 stops30h 30m

Thu 24/915:25 -

2 stops21h 30m

Deal found 9/8£685

Mon 9/1118:40 -

2 stops19h 25m

Sun 22/1116:25 -

2 stops22h 25m

Deal found 5/8£687

Sat 19/911:00 -

2 stops27h 30m

Tue 29/906:00 -

2 stops30h 30m

Deal found 6/8£689

Sun 6/910:20 -

2 stops28h 30m

Sun 4/1008:45 -

2 stops35h 55m

Deal found 5/8£690

Sat 21/1118:40 -

2 stops19h 25m

Thu 3/1210:00 -

2 stops38h 50m

Deal found 5/8£691

Tue 17/1108:35 -

2 stops29h 30m

Tue 1/1210:00 -

2 stops38h 50m

Deal found 8/8£692

Sat 29/811:15 -

2 stops25h 35m

Wed 9/908:40 -

2 stops28h 20m

Deal found 5/8£696

Fri 4/1206:20 -

1 stop17h 50m

Fri 18/1218:15 -

1 stop25h 50m

Deal found 6/8£696

Tue 17/1110:30 -

2 stops22h 10m

Tue 24/1110:00 -

2 stops27h 30m

Deal found 9/8£697

Find flight deals from Gatwick to Ko Samui

Round-trip from	£676
One-way from	£302
Popular in	December
Cheapest in	November
Average price	£811

23/1-2/2
4 total stops
64h 55m total
London to Ko Samui

Search Deals

17/9
3 total stops
52h 35m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£117 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£55 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights 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

Mon 31/8

18:35-21:10

2 stops20h 35m

Ko Samui

Wed 16/9

09:15-08:25

2 stops29h 10m

£776

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Mon 1/2

17:35-11:55

1 stop35h 20m

Ko Samui

Mon 8/2

15:05-20:50

1 stop36h 45m

£781

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 6/12

18:40-21:05

2 stops19h 25m

Ko Samui

Sun 20/12

09:20-07:50

2 stops29h 30m

£817

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 6/12

18:40-21:05

2 stops19h 25m

Ko Samui

Sat 19/12

10:00-07:50

2 stops28h 50m

£832

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sat 28/11

18:40-21:05

2 stops19h 25m

Ko Samui

Mon 28/12

10:00-07:45

2 stops28h 45m

£895

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 6/9

18:35-21:10

2 stops20h 35m

Ko Samui

Thu 17/9

09:15-08:25

2 stops29h 10m

£898

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sun 1/11

12:40-07:45

1 stop36h 05m

Ko Samui

Sun 8/11

08:30-15:35

1 stop38h 05m

£920

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Fri 11/9

10:05-18:00

2 stops25h 55m

Ko Samui

Fri 18/9

08:00-07:20

2 stops29h 20m

£937

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Mon 7/9

18:35-21:10

2 stops20h 35m

Ko Samui

Fri 18/9

09:15-08:25

2 stops29h 10m

£958

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Fri 11/9

10:20-20:50

2 stops28h 30m

Ko Samui

Wed 23/9

19:10-18:45

2 stops29h 35m

£1,266

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 19 resultsSorted by cheapest first

Best time to book a flight from Gatwick to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Gatwick with our price prediction graph.

LGW-USM

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Ko Samui

Prices

Delays

Currently, November is the cheapest month in which you can book a flight from London Gatwick Airport to Ko Samui (average of £746). Flying from London Gatwick Airport to Ko Samui in December is currently the most expensive (average of £1,760). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Gatwick Airport to Ko Samui?

Airfare is below average for this route at the moment.

London Gatwick Airport to Ko Samui flights typically cost between £811 and £824 in January.
The cheapest return price found within the last 5 days was £676 on Multiple Airlines (23 Jan–2 Feb).

Reviews of airlines servicing Ko Samui

Read reviews from past customers who have flown with Singapore Airlines,Qatar Airways, andBritish Airways from London Gatwick Airport to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Singapore Airlines

8.2

Very Good

1,584 reviews

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Qatar Airways

7.4

Good

3,739 reviews

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

British Airways

6.7

Okay

8,151 reviews

Singapore Airlines

8.2

Very Good

1,584 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Related info for your journey

What airport do you fly into for flights to Ko Samui from London Gatwick?
If you book a flight to Ko Samui from London Gatwick, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 2.1 mi from the center of Ko Samui. There are 0 flights from London Gatwick to Ko Samui per day from 3 different airlines.
How long is the flight from London Gatwick Airport to Ko Samui?
Departing from London Gatwick Airport to Ko Samui will take you 20h 35m. The distance from London Gatwick Airport to Ko Samui is about 6138 mi.
What are the cheapest airlines flying from London Gatwick Airport to Ko Samui round-trip?
Currently priced at £741, British Airways will fly you from London Gatwick Airport to Ko Samui and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qatar Airways and Singapore Airlines - these airlines can fly you to your destination from £749 and £803, respectively. You may be able to fly from London Gatwick Airport to Ko Samui for 21% less than the average price by searching for these airlines.
Can I find deals for flights from Gatwick to Ko Samui that include hotel bookings?
Yes. In addition to deals on Gatwick to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Gatwick to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Ko Samui.
Can I find deals for business class flights from Gatwick to Ko Samui?
Yes. Cheapflights offers flight deals from Gatwick to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Gatwick Airport to Ko Samui?
Currently, November is the cheapest month in which you can book a flight from London Gatwick Airport to Ko Samui (average of £746). Flying from London Gatwick Airport to Ko Samui in December is currently the most expensive (average of £1,760). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Ko Pha Ngan

Ko Tao

Khanom

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Thailand

Flights by cabin class

Ko Samui flight routes

Other flight options

Other flights from Gatwick

Popular flights

Alternative routes for Gatwick to Ko Samui

Heathrow to Suvarnabhumi flights

Gatwick to Suvarnabhumi flights

Stansted to Suvarnabhumi flights

London City to Suvarnabhumi flights

Heathrow to Don Mueang Intl flights

Luton to Suvarnabhumi flights

Gatwick to Don Mueang Intl flights

Heathrow to Phuket City flights

Gatwick to Phuket City flights

Stansted to Phuket City flights

London City to Phuket City flights

Southend to Suvarnabhumi flights

Luton to Phuket City flights

Heathrow to Ko Samui flights

Stansted to Ko Samui flights

Heathrow to Krabi flights

London City to Ko Samui flights

Gatwick to Krabi flights

Heathrow to Chiang Mai flights

Stansted to Krabi flights

Gatwick to Chiang Mai flights

Stansted to Chiang Mai flights

London City to Chiang Mai flights

London City to Krabi flights

Luton to Chiang Mai flights

Heathrow to Udon Thani flights

Luton to Ko Samui flights

Luton to Krabi flights

Heathrow to Rayong flights

Gatwick to Khon Kaen flights

Gatwick to Rayong flights

Heathrow to Trat flights

Heathrow to Chiang Rai flights

Gatwick to Chiang Rai flights

Stansted to Trat flights

Gatwick to Trat flights

Southend to Krabi flights

Gatwick to Surat Thani flights

Heathrow to Hat Yai flights

Heathrow to Surat Thani flights

Top 3 airlines flying from Gatwick to Ko Samui

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£741	Average£861	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Qatar Airways	Cheapest£749	Average£824	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Singapore Airlines	Cheapest£803	Average£960	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Gatwick to Ko Samui?

When you search for this flight from Gatwick to Ko Samui, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Ko Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui from Gatwick.

Can Cheapflights find flights from Gatwick to Ko Samui with no change fees?

Yes! Cheapflights helps users easily find flights from Gatwick to Ko Samui with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to Ko Samui become cheaper?

Yes! Start tracking prices for Gatwick to Ko Samui flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Gatwick Airport to Ko Samui from £302

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Ko Samui

Cheapest flights from Gatwick to Ko SamuiExplore the most affordable flight options available from Gatwick to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 August 2026.

Explore the most affordable flight options available from Gatwick to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 August 2026.

Best flights from Gatwick to Ko SamuiDiscover carefully curated flight deals from Gatwick to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 August 2026.

Discover carefully curated flight deals from Gatwick to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 August 2026.

Last-minute flights from Gatwick to Ko SamuiDiscover last-minute flight deals from Gatwick to Ko Samui. Data last updated 9 August 2026 and is based on user searches.

Discover last-minute flight deals from Gatwick to Ko Samui. Data last updated 9 August 2026 and is based on user searches.

One-way flights from Gatwick to Ko SamuiSearch for one-way flight options from Gatwick to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 August 2026.

Search for one-way flight options from Gatwick to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 August 2026.

Find flight deals from Gatwick to Ko Samui

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Gatwick to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Gatwick with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London Gatwick Airport to Ko Samui?

How much does it cost for a return flight from London Gatwick Airport to Ko Samui?

Airfare is below average for this route at the moment.

London Gatwick Airport to Ko Samui flights typically cost between £811 and £824 in January.The cheapest return price found within the last 5 days was £676 on Multiple Airlines (23 Jan–2 Feb).

How often are flights from London to Ko Samui delayed?

About 11% of weekly flights between London and Ko Samui have experienced delays in the past year, with the average delay time being 106 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, JetBlue have had the lowest number of delays on this route, with just 11% of flights being delayed.

What’s the top stopover airport for flights from London Gatwick Airport to Ko Samui?

Bangkok (BKK) – chosen by Cheapflights users on 55% of one-stop itineraries from London Gatwick Airport to Ko Samui on Cheapflights.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Ko Samui?

Singapore (SIN) is the most affordable one-stop option, with an average return flight price of £916.

What’s the fastest stopover option from London Gatwick Airport to Ko Samui?

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 16h 00m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Ko Samui?

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 2h 37m.

Reviews of airlines servicing Ko Samui

Related info for your journey

What airport do you fly into for flights to Ko Samui from London Gatwick?

How long is the flight from London Gatwick Airport to Ko Samui?

What are the cheapest airlines flying from London Gatwick Airport to Ko Samui round-trip?

Can I find deals for flights from Gatwick to Ko Samui that include hotel bookings?

How can I find direct flights from Gatwick to Ko Samui?

Can I find deals for business class flights from Gatwick to Ko Samui?

What is the cheapest month to book a flight from London Gatwick Airport to Ko Samui?

Travelling to a place near Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Gatwick to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ko Samui by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Gatwick to Ko Samui by cabin class

Find flights from Gatwick to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 August 2026.

Gatwick and Ko Samui flights

Browse other Gatwick and Ko Samui flight options. Last updated on 9 August 2026.

Other flights from Gatwick

Browse through other flights departing from Gatwick. Flights are based on user searches made on Cheapflights and were last updated on 9 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 3 airlines flying from Gatwick to Ko Samui

Fly with Cheapflights

How does Cheapflights help users find flights from Gatwick to Ko Samui?

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Ko Samui?

Can Cheapflights find flights from Gatwick to Ko Samui with no change fees?

Can Cheapflights notify me if prices for flights from Gatwick to Ko Samui become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Gatwick to Ko Samui
Explore the most affordable flight options available from Gatwick to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 August 2026.

Best flights from Gatwick to Ko Samui
Discover carefully curated flight deals from Gatwick to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 August 2026.

Last-minute flights from Gatwick to Ko Samui
Discover last-minute flight deals from Gatwick to Ko Samui. Data last updated 9 August 2026 and is based on user searches.

One-way flights from Gatwick to Ko Samui
Search for one-way flight options from Gatwick to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 August 2026.

London Gatwick Airport to Ko Samui flights typically cost between £811 and £824 in January.
The cheapest return price found within the last 5 days was £676 on Multiple Airlines (23 Jan–2 Feb).