Find flights
When to book
Airlines
FAQs

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — USM
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Gatwick to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.

Round-trip from

£692

One-way from

£302

Popular in

December

Cheapest in

June

Average price

£867
25/2-5/3
  • 25/2-5/3
  • 4 total stops
  • 53h 45m total
  • London to Ko Samui
Search Deals
26/9
  • 26/9
  • 3 total stops
  • 29h 40m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Gatwick to Ko Samui

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 18 September 2025.

Sat 18/1021:50LGW - USM
3 stops31h 15mMultiple Airlines
Wed 29/1021:10USM - LGW
2 stops30h 00mMultiple Airlines
Deal found 16/9£694
Mon 3/1110:30LGW - USM
2 stops22h 10mMultiple Airlines
Tue 18/1115:35USM - LGW
2 stops21h 55mMultiple Airlines
Deal found 17/9£695
Wed 15/1021:50LGW - USM
2 stops28h 25mMultiple Airlines
Tue 28/1020:20USM - LGW
1 stop29h 10mMultiple Airlines
Deal found 17/9£698
Mon 13/1021:50LGW - USM
2 stops28h 25mMultiple Airlines
Thu 30/1007:55USM - LGW
1 stop17h 35mMultiple Airlines
Deal found 17/9£699
Fri 19/909:10LGW - USM
3 stops29h 15mMultiple Airlines
Tue 30/919:25USM - LGW
2 stops24h 00mMultiple Airlines
Deal found 17/9£704
Thu 30/1006:35LGW - USM
2 stops18h 35mMultiple Airlines
Sun 9/1119:00USM - LGW
1 stop30h 30mMultiple Airlines
Deal found 16/9£709
Wed 15/1021:50LGW - USM
2 stops28h 25mMultiple Airlines
Thu 30/1007:55USM - LGW
1 stop17h 35mMultiple Airlines
Deal found 17/9£714
Fri 17/1012:00LGW - USM
2 stops23h 45mMultiple Airlines
Tue 28/1020:20USM - LGW
1 stop29h 10mMultiple Airlines
Deal found 17/9£717
Wed 1/1011:25LGW - USM
2 stops20h 20mMultiple Airlines
Thu 23/1008:20USM - LGW
2 stops28h 35mMultiple Airlines
Deal found 17/9£724
Mon 17/1118:40LGW - USM
2 stops19h 25mMultiple Airlines
Mon 24/1110:00USM - LGW
2 stops38h 50mMultiple Airlines
Deal found 16/9£729
Mon 3/1118:40LGW - USM
2 stops40h 35mMultiple Airlines
Mon 1/1210:00USM - LGW
2 stops38h 50mMultiple Airlines
Deal found 16/9£730
Fri 17/1012:00LGW - USM
2 stops23h 45mMultiple Airlines
Thu 30/1007:55USM - LGW
1 stop17h 35mMultiple Airlines
Deal found 17/9£733

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Ko Samui that are best for you.

Fly from

Gatwick

Fly to

Ko Samui

Route

Depart

Return

Price

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 17/11

18:40-21:05

2 stops19h 25m

Ko Samui

Mon 24/11

09:20-17:50

2 stops39h 30m

£733

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Thu 5/3

18:40-13:05

2 stops35h 25m

Ko Samui

Sun 15/3

10:00-17:50

2 stops38h 50m

£796

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 6/10

09:00-10:30

2 stops19h 30m

Ko Samui

Mon 13/10

16:25-06:40

2 stops44h 15m

£807

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sun 25/1

21:15-19:50

1 stop15h 35m

Ko Samui

Sun 8/2

19:10-05:30

1 stop17h 20m

£813

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 13/1

21:15-19:50

1 stop15h 35m

Ko Samui

Mon 9/2

17:40-05:30

1 stop18h 50m

£813

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sun 11/1

21:15-19:50

1 stop15h 35m

Ko Samui

Fri 13/2

19:10-05:30

1 stop17h 20m

£813

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 13/1

21:15-20:25

1 stop16h 10m

Ko Samui

Sun 8/2

17:05-05:30

1 stop19h 25m

£813

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Thu 5/3

21:15-19:50

1 stop15h 35m

Ko Samui

Sun 15/3

17:05-05:30

1 stop19h 25m

£813

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 18/11

21:15-20:15

1 stop16h 00m

Ko Samui

Tue 2/12

18:35-05:30

1 stop17h 55m

£816

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 18/11

21:15-20:15

1 stop16h 00m

Ko Samui

Wed 3/12

18:35-05:30

1 stop17h 55m

£816

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 17 results
1
2

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.
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

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

Currently, August is the cheapest month in which you can book a flight from London Gatwick Airport to Ko Samui (average of £1,019). Flying from London Gatwick Airport to Ko Samui in December is currently the most expensive (average of £1,669). 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.

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

Find hourly flight availability from Gatwick to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

It’s optimal to fly from London Gatwick Airport to Ko Samui in the morning. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at midday.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 18 September 2025.
Read reviews from past customers who have flown with Emirates, Singapore Airlines, andQatar 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.
Emirates
8.1
Very Good
3,339 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Emirates
8.1
Very Good
3,339 reviews
Emirates
8.1
Very Good
3,339 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Singapore Airlines
8.1
Very Good
1,367 reviews
Emirates
8.1
Very Good
3,339 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Qatar Airways
7.4
Good
3,622 reviews
Emirates
8.1
Very Good
3,339 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
British Airways
6.7
Okay
7,367 reviews
Emirates
8.1
Very Good
3,339 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.3

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 4 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 15h 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 £751, Emirates will fly you from London Gatwick Airport to Ko Samui and back. In addition to Emirates, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and British Airways - these airlines can fly you to your destination from £770 and £797, respectively. You may be able to fly from London Gatwick Airport to Ko Samui for 23% 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, August is the cheapest month in which you can book a flight from London Gatwick Airport to Ko Samui (average of £1,019). Flying from London Gatwick Airport to Ko Samui in December is currently the most expensive (average of £1,669). 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

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

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.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
London City to Suvarnabhumi flights
Stansted to Suvarnabhumi flights
Luton to Suvarnabhumi flights
Heathrow 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
Gatwick to Don Mueang Intl flights
Heathrow to Ko Samui flights
Heathrow to Chiang Mai flights
Luton to Phuket City flights
Southend to Suvarnabhumi flights
London City to Ko Samui flights
Stansted to Ko Samui flights
Heathrow to Krabi flights
Gatwick to Krabi flights
Gatwick to Chiang Mai flights
Stansted to Krabi flights
London City to Krabi flights
London City to Chiang Mai flights
Stansted to Chiang Mai flights
Gatwick to Rayong flights
Heathrow to Chiang Rai flights
Heathrow to Rayong flights
Gatwick to Chiang Rai flights
Luton to Krabi flights
Heathrow to Hat Yai flights
Gatwick to Khon Kaen flights
Luton to Chiang Mai flights
Heathrow to Udon Thani flights
London City to Don Mueang Intl flights
Southend to Krabi flights
Heathrow to Trat flights
Luton to Ko Samui flights
Gatwick to Surat Thani flights
Gatwick to Trat flights
Stansted to Trat flights

Top 4 airlines flying from Gatwick to Ko Samui

Discover the top 4 airlines that operate flights from Gatwick to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£751Average£810FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Singapore AirlinesCheapest£770Average£991FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
British AirwaysCheapest£797Average£974FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest£833Average£1,140FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.