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627 € Cheap Flights from London Gatwick to Samui International

Compare London Gatwick to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

Book the best Samui International fare with no extra fees

Flight deals from London Gatwick to Samui International

Looking for a cheap last-minute deal or the best return flight from London Gatwick to Samui International? Find the lowest prices on one-way and return tickets right here.
Koh Samui.627 € per passenger.Departing Sat, 15 Nov, returning Wed, 3 Dec.Return flight with Wizz Air UK and Bangkok Airways.Outbound indirect flight with Wizz Air UK, departs from London Gatwick on Sat, 15 Nov, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 3 Dec, arriving in London Gatwick.Price includes taxes and charges.From 627 €, select.
Koh Samui.642 € per passenger.Departing Sun, 11 Jan, returning Thu, 22 Jan.Return flight with easyJet and Scoot.Outbound indirect flight with easyJet, departs from London Gatwick on Sun, 11 Jan, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Thu, 22 Jan, arriving in London Gatwick.Price includes taxes and charges.From 642 €, select.
Koh Samui.650 € per passenger.Departing Wed, 15 Oct, returning Wed, 29 Oct.Return flight with Wizz Air UK and Bangkok Airways.Outbound indirect flight with Wizz Air UK, departs from London Gatwick on Wed, 15 Oct, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Wed, 29 Oct, arriving in London Gatwick.Price includes taxes and charges.From 650 €, select.
Koh Samui.665 € per passenger.Departing Sun, 8 Feb, returning Thu, 12 Feb.Return flight with SKY express and Scoot.Outbound indirect flight with SKY express, departs from London Gatwick on Sun, 8 Feb, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Thu, 12 Feb, arriving in London Gatwick.Price includes taxes and charges.From 665 €, select.
Koh Samui.669 € per passenger.Departing Thu, 15 Jan, returning Thu, 5 Feb.Return flight with SKY express and Scoot.Outbound indirect flight with SKY express, departs from London Gatwick on Thu, 15 Jan, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Thu, 5 Feb, arriving in London Gatwick.Price includes taxes and charges.From 669 €, select.
Koh Samui.670 € per passenger.Departing Sun, 14 Dec, returning Sun, 25 Jan.Return flight with easyJet and Scoot.Outbound indirect flight with easyJet, departs from London Gatwick on Sun, 14 Dec, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Sun, 25 Jan, arriving in London Gatwick.Price includes taxes and charges.From 670 €, select.
Koh Samui.676 € per passenger.Departing Sat, 1 Nov, returning Sat, 15 Nov.Return flight with China Eastern and Bangkok Airways.Outbound indirect flight with China Eastern, departs from London Gatwick on Sat, 1 Nov, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sat, 15 Nov, arriving in London Gatwick.Price includes taxes and charges.From 676 €, select.
Koh Samui.676 € per passenger.Departing Sat, 18 Oct, returning Sun, 2 Nov.Return flight with Wizz Air UK and Bangkok Airways.Outbound indirect flight with Wizz Air UK, departs from London Gatwick on Sat, 18 Oct, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sun, 2 Nov, arriving in London Gatwick.Price includes taxes and charges.From 676 €, select.

Find the cheapest month to fly from London Gatwick to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Gatwick to Samui International flights are currently cheapest in January.
Sep
from 719 €
Oct
from 650 €
Nov
from 676 €
Dec
from 684 €
Jan
from 642 €
Feb
from 665 €
Mar
from 692 €
Apr
from 721 €
May
from 821 €
Jun
from 835 €
Jul
from 817 €
Aug
from 1.140 €

London Gatwick to Samui International: Alternative routes

Compare routes from London Gatwick to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

London to Koh Samui: Flight information

The things to know before you go.
Cheapest flight found627 €
Cheapest month to flyNovember

Finding cheap flights from London Gatwick to Samui International: Frequently asked questions

The best price we found for a return flight from London Gatwick to Samui International is 627 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Gatwick to Samui International. But we found flights with one or more stops from 627 €.
As of September 2025, there are no flights flying from London Gatwick to Samui International.
The cheapest month to fly from London Gatwick to Samui International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Gatwick Airport to Samui International Airport on Saturday, 15 November 2025.
No airlines currently offer direct flights between London Gatwick Airport and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Wizz Air UK offers the cheapest flight tickets to Samui International.

Flying from London Gatwick Airport (LGW) to Koh Samui Airport (USM): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Make sure you're at the airport on time to catch your LGW to USM flight.

  • Travelling during a peak time such as August? Public holidays and other high seasons can mean longer lines and delays at airport checkpoints. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • Choose a stopover if you'd love to break up your flight. Just uncheck 'Direct flights only' to look at all your options for tickets from London Gatwick Airport to Koh Samui Airport. Changi International Airport is a popular stopover on the LGW to USM route.

How to find the cheapest flights from London Gatwick Airport (LGW) to Koh Samui Airport (USM)

  • The cheapest price we've found for a one-way London Gatwick Airport to Koh Samui Airport flight is 308 €. A return ticket is currently 627 €. Depending on the availability when you book, these fares can change.

  • Don't wait until the last moment. You're more likely to get cheap tickets from LGW to USM if you book ahead. Airlines often have some excellent early bird rates.

  • Getting cheap flights from London Gatwick Airport to Koh Samui Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' function to see the lowest prices throughout the month and land a great deal.

  • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll update you the moment a special offer becomes available on cheap flights from LGW to USM.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from London Gatwick Airport to Koh Samui Airport.

Handy information about London Gatwick Airport (LGW)

  • When it comes to the on-time performance of London Gatwick Airport, 69.26% of flights arrive within the expected timeframe.

  • London Gatwick Airport is around 80 kilometres from central London. If you're driving, ride-sharing or catching a cab from the centre, it'll take 1 hour 20 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of about 1 hour 25 minutes when using public transport.

  • Catching an early flight from London Gatwick Airport to Koh Samui Airport? Avoid rushing to the terminal (and catch some extra z's) by picking one of these stays close to LGW:

Arriving at Koh Samui Airport (USM)

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late London Gatwick Airport to Koh Samui Airport flight. Check in to one of these accommodation options near USM instead:

  • Go where the road takes you with a Koh Samui Airport rental car. Book your wheels from asap car hire, Hertz or Drive Car Hire and see more of Koh Samui and beyond.

  • To secure the lowest price, book your ride from Koh Samui Airport about four weeks in advance.

Getting from Koh Samui Airport (USM) to central Koh Samui

  • Koh Samui Airport is roughly 3 kilometres from central Koh Samui. How long it takes to get to the centre in a cab or ride-share will depend on the time of day, so do some research before you go.

When to fly to Koh Samui Airport (USM)

  • The quietest month for a flight from London Gatwick Airport to Koh Samui Airport is February, while July is the most popular. Choose the best time to visit Koh Samui based on whether you prefer a faster pace or a more relaxed vibe.

Explore more of Thailand

  • You've visited Koh Samui, now it's time to explore more of Thailand. Travel around 467 kilometres north to Bangkok to tick off its top attractions. From Grand Palace to Wat Arun and Wat Phra Kaew, there's plenty to keep you busy.

  • If you're looking to explore another well-known destination in Thailand, head for Chon Buri, roughly 434 kilometres north of Koh Samui. Wat Ton Son, Forest and Phra Phutthasihing Hall are among the biggest draws.

Plan the rest of your trip from London to Koh Samui

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.