How often are flights from London to Ko Samui delayed?

About 12% of weekly flights between London and Ko Samui have experienced delays in the past year, with the average delay time being 126 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 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 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 Saturday has historically faced a higher average of delays compared to other days of the week.

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 £906.

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 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 12% of flights being delayed.

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

Departing from London Gatwick Airport to Ko Samui will take you 19h. The distance from London Gatwick Airport to Ko Samui is about 6138 mi. Both multi-stop and direct flights can be found to your destination and back.

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

Currently priced at £734, 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 £763 and £794, respectively. You may be able to fly from London Gatwick Airport to Ko Samui for 20% 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.

£327+ 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

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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 26 August 2026.

Wed 14/1019:35 -

2 stops18h 50m

Tue 27/1021:10 -

1 stop25h 25m

Deal found 24/8£688

Tue 1/912:35 -

2 stops27h 00m

Mon 7/915:25 -

2 stops32h 40m

Deal found 25/8£688

Tue 1/1215:00 -

3 stops22h 25m

Mon 18/119:40 -

2 stops41h 50m

Deal found 24/8£690

Wed 7/1006:00 -

3 stops23h 55m

Wed 14/1011:05 -

2 stops25h 30m

Deal found 23/8£693

Mon 31/811:35 -

2 stops23h 30m

Thu 10/917:55 -

2 stops27h 05m

Deal found 22/8£694

Fri 20/1118:40 -

2 stops19h 25m

Tue 1/1210:00 -

2 stops38h 50m

Deal found 25/8£694

Mon 7/913:50 -

3 stops24h 35m

Sat 19/915:25 -

3 stops25h 30m

Deal found 24/8£695

Wed 23/906:00 -

3 stops23h 15m

Wed 30/914:30 -

2 stops25h 25m

Deal found 24/8£698

Tue 6/1008:35 -

3 stops23h 20m

Tue 13/1013:30 -

2 stops23h 05m

Deal found 22/8£699

Fri 2/1016:15 -

3 stops23h 20m

Sun 25/1012:00 -

2 stops25h 20m

Deal found 25/8£700

Find flight deals from Gatwick to Ko Samui

Round-trip from	£688
One-way from	£327
Popular in	December
Cheapest in	November
Average price	£802

14/10-27/10
3 total stops
44h 15m total
London to Ko Samui

Search Deals

6/9
3 total stops
56h 15m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£125 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

Thu 1/10

08:20-10:30

3 stops20h 10m

Ko Samui

Thu 29/10

08:30-21:05

1 stop19h 35m

£705

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sat 10/10

13:35-20:25

3 stops24h 50m

Ko Samui

Sat 17/10

15:30-06:30

2 stops21h 00m

£738

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Wed 21/10

18:35-21:10

2 stops20h 35m

Ko Samui

Wed 18/11

09:20-07:40

2 stops29h 20m

£820

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Tue 2/2

08:40-10:40

2 stops19h 00m

Ko Samui

Sun 14/2

15:50-05:55

2 stops21h 05m

£897

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Mon 16/11

20:25-12:35

2 stops33h 10m

Ko Samui

Thu 19/11

14:05-11:40

2 stops28h 35m

£936

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sat 21/11

13:05-08:00

1 stop35h 55m

Ko Samui

Thu 3/12

18:05-09:05

1 stop22h 00m

£938

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sat 20/2

17:25-18:25

2 stops18h 00m

Ko Samui

Sat 6/3

19:00-09:10

2 stops21h 10m

£938

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Mon 2/11

09:40-10:35

2 stops17h 55m

Ko Samui

Mon 23/11

14:05-06:40

2 stops23h 35m

£971

Fastest return journey

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Sat 20/2

21:20-19:45

1 stop15h 25m

Ko Samui

Sat 6/3

19:40-05:25

1 stop16h 45m

£1,050

LondonKo Samui

LGW London Gatwick - USM Ko Samui

LGWUSM

London Gatwick

Thu 18/2

13:05-17:10

1 stop45h 05m

Ko Samui

Fri 5/3

13:25-09:05

1 stop26h 40m

£1,059

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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 £738). Flying from London Gatwick Airport to Ko Samui in December is currently the most expensive (average of £1,741). 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 £829 and £835 in October.
The cheapest return price found within the last 5 days was £688 on Multiple Airlines (14 Oct–27 Oct).

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

1,587 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

1,587 reviews

Singapore Airlines

8.2

Very Good

1,587 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

3,731 reviews

Singapore Airlines

8.2

Very Good

1,587 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

8,194 reviews

Singapore Airlines

8.2

Very Good

1,587 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 19h. The distance from London Gatwick Airport to Ko Samui is about 6138 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from London Gatwick Airport to Ko Samui round-trip?
Currently priced at £734, 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 £763 and £794, respectively. You may be able to fly from London Gatwick Airport to Ko Samui for 20% 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 £738). Flying from London Gatwick Airport to Ko Samui in December is currently the most expensive (average of £1,741). 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

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Top 3 airlines flying from Gatwick to Ko Samui

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£734	Average£852	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Qatar Airways	Cheapest£763	Average£816	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Singapore Airlines	Cheapest£794	Average£950	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

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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?

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Cheap flights from London Gatwick Airport to Ko Samui from £327

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 6/9. 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 26 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 26 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 26 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 26 August 2026.

Last-minute flights from Gatwick to Ko SamuiDiscover last-minute flight deals from Gatwick to Ko Samui. Data last updated 26 August 2026 and is based on user searches.

Discover last-minute flight deals from Gatwick to Ko Samui. Data last updated 26 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 26 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 26 August 2026.

Find flight deals from Gatwick to Ko Samui

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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 £829 and £835 in October.The cheapest return price found within the last 5 days was £688 on Multiple Airlines (14 Oct–27 Oct).

How often are flights from London to Ko Samui delayed?

About 12% of weekly flights between London and Ko Samui have experienced delays in the past year, with the average delay time being 126 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 Saturday 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 12% 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 £906.

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?

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Alternative routes for Gatwick to Ko Samui

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Complete your trip

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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 26 August 2026.

Gatwick and Ko Samui flights

Browse other Gatwick and Ko Samui flight options. Last updated on 26 August 2026.

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Top 3 airlines flying from Gatwick to Ko Samui

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

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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 26 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 26 August 2026.

Last-minute flights from Gatwick to Ko Samui
Discover last-minute flight deals from Gatwick to Ko Samui. Data last updated 26 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 26 August 2026.

London Gatwick Airport to Ko Samui flights typically cost between £829 and £835 in October.
The cheapest return price found within the last 5 days was £688 on Multiple Airlines (14 Oct–27 Oct).