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Cheap Flights from London to Samui International

Compare London 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 to Samui International

Looking for a cheap last-minute deal or the best return flight from London to Samui International Airport? If you want to travel next month, return fares start from Rs256,708. Find the lowest prices on one-way and return tickets right here.
Koh Samui.Rs97,925 per passenger.Departing Tue, 9 Jun.One-way flight with AJet.Outbound indirect flight with AJet, departs from London Stansted on Tue, 9 Jun, arriving in Samui International.Price includes taxes and charges.From Rs97,925, select.
Koh Samui.Rs114,809 per passenger.Departing Sun, 7 Mar.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sun, 7 Mar, arriving in Samui International.Price includes taxes and charges.From Rs114,809, select.
Koh Samui.Rs117,933 per passenger.Departing Tue, 21 Apr.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Luton on Tue, 21 Apr, arriving in Samui International.Price includes taxes and charges.From Rs117,933, select.
Koh Samui.Rs123,070 per passenger.Departing Sun, 24 Jan.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from London Gatwick on Sun, 24 Jan, arriving in Samui International.Price includes taxes and charges.From Rs123,070, select.
Koh Samui.Rs125,200 per passenger.Departing Tue, 12 May.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from London Gatwick on Tue, 12 May, arriving in Samui International.Price includes taxes and charges.From Rs125,200, select.
Koh Samui.Rs127,543 per passenger.Departing Wed, 3 Feb.One-way flight with Wizz Air.Outbound indirect flight with Wizz Air, departs from London Luton on Wed, 3 Feb, arriving in Samui International.Price includes taxes and charges.From Rs127,543, select.
Koh Samui.Rs130,938 per passenger.Departing Fri, 25 Sep.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from London Luton on Fri, 25 Sep, arriving in Samui International.Price includes taxes and charges.From Rs130,938, select.
Koh Samui.Rs131,667 per passenger.Departing Tue, 25 Aug.One-way flight with Pegasus Airlines.Outbound indirect flight with Pegasus Airlines, departs from London Stansted on Tue, 25 Aug, arriving in Samui International.Price includes taxes and charges.From Rs131,667, select.
Koh Samui.Rs132,265 per passenger.Departing Thu, 12 Nov.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Thu, 12 Nov, arriving in Samui International.Price includes taxes and charges.From Rs132,265, select.
Koh Samui.Rs133,196 per passenger.Departing Sun, 6 Dec.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Sun, 6 Dec, arriving in Samui International.Price includes taxes and charges.From Rs133,196, select.
Koh Samui.Rs136,902 per passenger.Departing Fri, 16 Oct.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Fri, 16 Oct, arriving in Samui International.Price includes taxes and charges.From Rs136,902, select.
Koh Samui.Rs167,713 per passenger.Departing Thu, 9 Jul.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Thu, 9 Jul, arriving in Samui International.Price includes taxes and charges.From Rs167,713, select.

Find the cheapest month to fly from London to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Samui International flights are currently cheapest in June.
Apr
from Rs117,933
May
from Rs125,200
Jun
from Rs97,925
Jul
from Rs167,713
Aug
from Rs131,667
Sep
from Rs130,938
Oct
from Rs136,902
Nov
from Rs132,265
Dec
from Rs133,196
Jan
from Rs123,070
Feb
from Rs127,543
Mar
from Rs114,809

London to Samui International: Alternative routes

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

Samui International

5km from central Koh Samui
ClosestCheapest
from Rs97,925
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London to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundRs97,925
Cheapest month to flyJune

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

The best price we found for a return flight from London to Samui International is Rs211,418. 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 to Samui International. But we found flights with one stop from Rs211,418.
As of April 2026, there are no flights flying from London to Samui International.
The cheapest month to fly from London to Samui International is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Samui International Airport on Tuesday, 9 June 2026.
No airlines currently offer direct flights between London 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.
The cheapest airline that flies to Samui International is Pegasus Airlines .

Travelling from London to Ko Samui International Airport (USM): What you need to know

  • Ko Samui International Airport is located in Koh Samui. The city operates on the UTC+7 timezone and is seven hours ahead of London.

  • Give yourself enough time to make your flight from London to USM. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Head to the airport even earlier during popular months like July. Aim for two hours before domestic departures and up to four hours for international flights. After checking in, you can use any extra time to relax or grab something to eat.

Airports in London

London Heathrow Airport (LHR)

  • A stopover is the perfect opportunity to break up your trip and perhaps even visit a new city. When searching for cheap flights from London to USM leaving from London Heathrow Airport (LHR), uncheck the 'Direct flights only' box to discover where you can stop along the way. Top options include:

    • Bangkok Suvarnabhumi International Airport (BKK)

    • Singapore Changi Airport (SIN)

    • Hong Kong International Airport (HKG)

  • LHR is about 24 kilometres from central London. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 45 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 25 minutes.

  • Booked an early flight from London to Ko Samui International Airport? Avoid the last-minute rush to the terminal (and enjoy a few extra z's) by staying at one of these hotels close to London Heathrow Airport:

  • When it comes to the on-time performance of London Heathrow Airport, data shows 68% of flights arrive within the expected time frame.

London Gatwick Airport (LGW)

  • Work a stopover into your journey at Bangkok Suvarnabhumi International Airport (BKK). It's a key transfer point for flights from London to Ko Samui International Airport (USM) departing London Gatwick Airport.

  • On public transport, you can travel from central London to LGW in around 1 hour 20 minutes. The terminal is roughly 48 kilometres away, and making the journey by car takes approximately 1 hour 5 minutes.

  • Catching an early morning flight? Think about staying at one of these hotels near London Gatwick Airport the day before your London to USM flight:

  • When it comes to keeping flights on track, London Gatwick Airport has an on-time arrival rate of 70%.

London Stansted Airport (STN)

  • STN is roughly 56 kilometres from central London. The drive from the city centre to the terminal takes about 1 hour 5 minutes. If you're planning to use public transport, you can expect a journey of around 45 minutes.

  • Make departure day worry-free — stay near London Stansted Airport and know you'll make it to your gate with time to spare. Settle in at one of these hotels the day before if you've booked an early London to Ko Samui International Airport flight:

  • Airports have an on-time performance rating that monitors how often flights land without delays. At STN, that figure is 65%.

About Ko Samui International Airport (USM)

  • Reserve a hotel near USM if you have a late flight from London to Ko Samui International Airport. Select one of these accommodation options and be in bed sooner:

  • Pick up a Ko Samui International Airport rental car and explore Koh Samui and beyond with your own wheels. Asap car hire, Hertz and Drive Car Hire are top providers you can book with here.

  • Lock in the best possible rate by booking your ride around four weeks ahead of your London to Ko Samui International Airport flight.

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

  • Central Koh Samui is around 11 kilometres from Ko Samui International Airport and takes about 20 minutes to reach by car. See what your options are for heading into the city, whether that's with a car hire, taxi or ride-share.

  • If you're taking public transport, expect a journey time of roughly 30 minutes.

How to find the cheapest flights from London to Ko Samui International Airport (USM)

  • Rs97,925 is currently the lowest price for a one-way ticket from London to Ko Samui International Airport. Return flights start from Rs211,418. These fares may change based on availability.

  • Don't leave things to the last minute. You're more likely to find cheap flights from London to USM if you book ahead. Airlines often have some excellent early bird discounts.

  • The 'Whole month' tool shows you the cheapest London to Ko Samui International Airport tickets throughout the month. It's a great way to find a bargain if your travel plans aren't set in stone.

  • Snapping up a cheap plane ticket from London to USM is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Filters make it easier to save some cash on your flight from London to Ko Samui International Airport. Choose the departure times, airlines and number of stops that line up with your plans. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

Explore more of Thailand

  • Koh Samui has plenty to offer, but there are so many other parts of Thailand just waiting to be discovered. About 129 kilometres south of Koh Samui, a visit to Nakhon Si Thammarat will keep your itinerary busy. Start with attractions like Wat Phra Phrom, Wat Pho Sadet and Wat Yai Chai Mongkol.

  • Around 257 kilometres southwest of Koh Samui, Phuket is another favourite stop in Thailand. Start your sightseeing at V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach.

More travel options

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.