LGW - USM

฿13,718 Find Cheap Flights from London Gatwick Airport to Ko Samui – Compare and Save

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Everything you should know

Cheapest return flight
฿29,666
Typical prices: ฿33,349-฿43,962
Multiple Airlines
Fri 5/10Fri 12/10
LGW - USM • 2 stops
Cheapest one-way flight
฿13,718
Typical prices: ฿21,054-฿26,631
Multiple Airlines
Thu 15/11
LGW - USM • 3 stops
Direct flights
Not available
There are currently no direct flights between London Gatwick Airport and Ko Samui. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
23 weeks
in advance
Our data shows that travellers who book at least 23 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
May
Cheapest • 19% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Bangkok Suvarnabhumi (BKK)
Cheapest • Avg ฿40,718 (return)
Phuket City (HKT)
Shortest trip • 16h 06m (one-way)
Insights
Insights
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We hope you enjoy your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Gatwick to Ko Samui (LGW-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Gatwick to Ko Samui

Mon 5 Oct - Mon 12 Oct
Multiple Airlines Logo
19:35 - 20:25LGW  London Gatwick-USM Ko Samui
18h 50m2 stops Sharjah Phuket City
Multiple Airlines Logo
08:00 - 08:45USM  Ko Samui-LGW London Gatwick
30h 45m2 stops Phuket City Sharjah
฿29,666Multiple Airlines
Fri 2 Oct - Fri 6 Nov
Multiple Airlines Logo
15:20 - 20:25LGW  London Gatwick-USM Ko Samui
23h 05m3 stops Istanbul Sabiha Gokcen Sharjah Phuket City
Multiple Airlines Logo
08:30 - 21:45USM  Ko Samui-LGW London Gatwick
20h 15m2 stops Bangkok Suvarnabhumi Kastrup Copenhagen
฿29,932Multiple Airlines
Mon 26 Oct - Sun 1 Nov
Multiple Airlines Logo
08:45 - 17:00LGW  London Gatwick-USM Ko Samui
25h 15m2 stops Sharjah Bangkok Suvarnabhumi
Multiple Airlines Logo
08:15 - 08:35USM  Ko Samui-LGW London Gatwick
31h 20m2 stops Phuket City Oslo Gardermoen
฿29,966Multiple Airlines
Fri 2 Oct - Thu 15 Oct
Multiple Airlines Logo
19:35 - 20:25LGW  London Gatwick-USM Ko Samui
18h 50m2 stops Sharjah Phuket City
Multiple Airlines Logo
08:00 - 08:45USM  Ko Samui-LGW London Gatwick
30h 45m2 stops Phuket City Sharjah
฿30,065Multiple Airlines
Wed 3 Mar - Sat 20 Mar
Multiple Airlines Logo
17:00 - 10:40LGW  London Gatwick-USM Ko Samui
34h 40m2 stops Shanghai Pu Dong Phuket City
Multiple Airlines Logo
21:30 - 14:00USM  Ko Samui-LGW London Gatwick
23h 30m2 stops Bangkok Suvarnabhumi Shanghai Pu Dong
฿30,199Multiple Airlines
Tue 20 Oct - Wed 28 Oct
Multiple Airlines Logo
12:35 - 18:50LGW  London Gatwick-USM Ko Samui
24h 15m2 stops Beijing Capital Singapore Changi
Multiple Airlines Logo
12:00 - 07:10USM  Ko Samui-LGW London Gatwick
26h 10m2 stops Singapore Changi Shanghai Pu Dong
฿30,265Multiple Airlines
Fri 6 Nov - Tue 17 Nov
Multiple Airlines Logo
14:35 - 19:50LGW  London Gatwick-USM Ko Samui
22h 15m3 stops Václav Havel Prague Sharjah Bangkok Suvarnabhumi
Multiple Airlines Logo
17:05 - 06:30USM  Ko Samui-LGW London Gatwick
20h 25m2 stops Bangkok Suvarnabhumi Guangzhou Baiyun
฿30,298Multiple Airlines
Fri 2 Oct - Sun 1 Nov
Multiple Airlines Logo
13:35 - 20:25LGW  London Gatwick-USM Ko Samui
24h 50m3 stops Athens Eleftherios V. Sharjah Phuket City
Multiple Airlines Logo
08:15 - 08:35USM  Ko Samui-LGW London Gatwick
31h 20m2 stops Phuket City Oslo Gardermoen
฿30,365Multiple Airlines
Tue 23 Feb - Tue 9 Mar
Multiple Airlines Logo
10:30 - 15:35LGW  London Gatwick-USM Ko Samui
22h 05m2 stops Shanghai Pu Dong Bangkok Suvarnabhumi
Multiple Airlines Logo
20:30 - 14:00USM  Ko Samui-LGW London Gatwick
24h 30m2 stops Bangkok Suvarnabhumi Shanghai Pu Dong
฿30,498Multiple Airlines
Tue 3 Nov - Thu 26 Nov
Multiple Airlines Logo
15:20 - 20:25LGW  London Gatwick-USM Ko Samui
22h 05m3 stops Krakow J. Paul II Balice Sharjah Bangkok Suvarnabhumi
Multiple Airlines Logo
18:05 - 15:00USM  Ko Samui-LGW London Gatwick
27h 55m2 stops Singapore Changi Athens Eleftherios V.
฿30,565Multiple Airlines
Booking Insights

Price, demand, and travel trends for London Gatwick Airport to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London Gatwick Airport to Ko Samui with more confidence.

What's the cheapest day of the week to fly from London Gatwick Airport to Ko Samui?

Monday is the cheapest day of the week to fly from London Gatwick Airport to Ko Samui and is 9% cheaper than the average day. Friday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from London Gatwick Airport to Ko Samui?

•May is the cheapest month to fly from London Gatwick Airport to Ko Samui at ฿30,099 return.
•December (฿49,143) and July (฿43,550) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 63% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from London Gatwick Airport to Ko Samui the cheapest?

Flights from London Gatwick Airport to Ko Samui are cheapest 23 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for London Gatwick Airport to Ko Samui flights

Low season

October

Cheapest flight

฿13,718
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly (6% more expensive on average)
Flights from London Gatwick Airport to Ko Samui

When to book flights from Gatwick to Ko Samui

Are your dates flexible? Find out the best times to travel from Gatwick to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London Gatwick Airport to Ko Samui flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from London Gatwick Airport to Ko Samui?

    Flights from London Gatwick Airport to Ko Samui usually depart from London Gatwick (LGW) and arrive at Ko Samui (USM).

  • Which cabin classes can I book on flights from London Gatwick Airport to Ko Samui?

    Only Economy class is available on flights from London Gatwick Airport to Ko Samui.

  • Which airports do connecting flights from London Gatwick Airport to Ko Samui pass through?

    One-stop flights from London Gatwick Airport to Ko Samui most commonly connect through:

    • Bangkok Suvarnabhumi (BKK) – 81% of one-stop connections
    • Singapore Changi (SIN) – 19% of one-stop connections
    • Phuket City (HKT) – 1% of one-stop connections

    Bangkok Suvarnabhumi (BKK) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London Gatwick Airport to Ko Samui?

    Yes. Being flexible with your travel dates can save you up to 20% on the London Gatwick Airport to Ko Samui route. Monday is the cheapest departure day at ฿34,027 return on average, while Friday is the most expensive at ฿42,318, a difference of ฿8,290. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Maenam Beach. These are among the most viewed places in Ko Samui on KAYAK.

  • How expensive are last-minute London Gatwick Airport to Ko Samui flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 32% above the route average of ฿37,230. Book 23 weeks before departure for the lowest fares.

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

    A direct flight from London Gatwick Airport to Ko Samui takes 0h 00m, covering 15,897 km.

  • Do I need a passport to fly from London Gatwick Airport to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from London Gatwick Airport to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿29,666 to ฿278,513. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from London Gatwick Airport to Ko Samui looking right now?

    One-way fares from London Gatwick Airport to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿15,029, which is 37% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from London Gatwick Airport to Ko Samui?

    Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time of 16h 06m, compared to 16h 50m via Bangkok Suvarnabhumi (BKK) and 19h 54m via Singapore Changi (SIN).

  • What is the time difference between London Gatwick Airport and Ko Samui?

    Ko Samui is 6 hours ahead of London Gatwick Airport (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿452 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Hertz

  • How much should I expect to pay for a London Gatwick Airport to Ko Samui flight?

    Return flights from London Gatwick Airport to Ko Samui range from ฿33,349 to ฿43,962, with an average of ฿37,230 over the past 12 months. Anything below ฿33,349 counts as a good deal.

Your guide to booking London Gatwick Airport to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Friday. On this route, Monday flights average ฿34,027 – about ฿8,290 less than Friday (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Gatwick Airport to Ko Samui trip for May. Fares historically average ฿30,099 return in that month – typically ฿19,045 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.
    - Ozo Chaweng Samui - Sha Extra Plus
    - Melia Koh Samui
    - Cosi Samui Chaweng Beach

More options for your flight from Gatwick to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui