Cheap Flights from London to Samui International

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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 R 14,086. Find the lowest prices on one-way and return tickets right here.

Koh Samui.R 6,090 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 R 6,090, select.

Koh Samui.R 6,095 per passenger.Departing Thu, 8 Apr.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 8 Apr, arriving in Samui International.Price includes taxes and charges.From R 6,095, select.

Koh Samui.R 7,086 per passenger.Departing Thu, 18 Feb.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Thu, 18 Feb, arriving in Samui International.Price includes taxes and charges.From R 7,086, select.

Koh Samui.R 7,264 per passenger.Departing Tue, 22 Sep.One-way flight with Air China.Outbound indirect flight with Air China, departs from London Gatwick on Tue, 22 Sep, arriving in Samui International.Price includes taxes and charges.From R 7,264, select.

Koh Samui.R 7,453 per passenger.Departing Sun, 15 Nov.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from London Gatwick on Sun, 15 Nov, arriving in Samui International.Price includes taxes and charges.From R 7,453, select.

Koh Samui.R 7,620 per passenger.Departing Sun, 17 Jan.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Sun, 17 Jan, arriving in Samui International.Price includes taxes and charges.From R 7,620, select.

Koh Samui.R 7,662 per passenger.Departing Sun, 23 Aug.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Sun, 23 Aug, arriving in Samui International.Price includes taxes and charges.From R 7,662, select.

Koh Samui.R 7,795 per passenger.Departing Sat, 13 Jun.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Sat, 13 Jun, arriving in Samui International.Price includes taxes and charges.From R 7,795, select.

Koh Samui.R 7,862 per passenger.Departing Thu, 3 Dec.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Thu, 3 Dec, arriving in Samui International.Price includes taxes and charges.From R 7,862, select.

Koh Samui.R 8,041 per passenger.Departing Wed, 14 Oct.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Gatwick on Wed, 14 Oct, arriving in Samui International.Price includes taxes and charges.From R 8,041, select.

Koh Samui.R 9,124 per passenger.Departing Sat, 30 May.One-way flight with Turkmenistan Airlines.Outbound indirect flight with Turkmenistan Airlines, departs from London Gatwick on Sat, 30 May, arriving in Samui International.Price includes taxes and charges.From R 9,124, select.

Koh Samui.R 9,722 per passenger.Departing Wed, 1 Jul.One-way flight with Azerbaijan Airlines.Outbound indirect flight with Azerbaijan Airlines, departs from London Gatwick on Wed, 1 Jul, arriving in Samui International.Price includes taxes and charges.From R 9,722, select.

Koh Samui.R 11,027 per passenger.Departing Mon, 10 May.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Mon, 10 May, arriving in Samui International.Price includes taxes and charges.From R 11,027, 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 March.

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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 R 6,090

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London to Koh Samui: Flight information

The things to know before you go.

Cheapest flight found	R 6,090
Cheapest month to fly	March

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

How much are return flights from London to Samui International?

The best price we found for a return flight from London to Samui International is R 12,474. 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.

Which airlines fly direct from London to Samui International?

Currently, there are no airlines that fly direct from London to Samui International. But we found flights with one stop from R 12,474.

How many flights are there a week from London to Samui International?

As of May 2026, there are no flights flying from London to Samui International.

When is the cheapest time to fly from London to Samui International?

The cheapest month to fly from London to Samui International is usually September.

Which upcoming date is cheapest to fly from London to Samui International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Samui International Airport on Monday, 7 September 2026.

Can I get a direct flight from London to Samui International Airport?

No airlines currently offer direct flights between London and Samui International Airport. Most routes have one or more stops.

How can I find the best flight deal to Samui International?

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.

When is the best time to book flights to Koh Samui?

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.

Which is the cheapest airline to fly from London to Samui International with?

The cheapest airline that flies to Samui International is Air China .

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.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to catch your flight from London to USM.
Be prepared for longer lines in popular months such as July and other peak periods. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

Airports in London

London Heathrow Airport (LHR)

We make it a piece of cake to book cheap flights from London to USM with a stopover. To explore your options leaving from London Heathrow Airport (LHR), uncheck 'Direct flights only.' Then, select a flight that has a stop long enough to tour your chosen city. Major stopovers between LHR and USM include:
- Bangkok Suvarnabhumi International Airport (BKK)
- Singapore Changi Airport (SIN)
- Hong Kong International Airport (HKG)
LHR is around 24 kilometres from central London. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 45 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 25 minutes.
Looking for a comfortable hotel close to London Heathrow Airport? If you've booked an early flight from London to Ko Samui International Airport, these stays will have you sleeping just around the corner from the terminal:
78% of flights that take off from London Heathrow Airport touch down at their destination on time.

London Gatwick Airport (LGW)

Maximise your holiday with a stopover on your flight from London to Ko Samui International Airport. Bangkok Suvarnabhumi International Airport (BKK) is one of the options between London Gatwick Airport and USM.
You can arrive at LGW from the centre of London in about 1 hour 5 minutes by car, depending on traffic. The ride on public transport will take roughly 1 hour 20 minutes to cover the 48 kilometres or so.
Start your holiday early with an extra night away from home. Before your London to USM flight, unwind in one of these hotels close to London Gatwick Airport:
London Gatwick Airport has a reputation for reliability and timeliness. 82% of flights leaving here arrive right on target.

London Stansted Airport (STN)

The journey to STN from the centre of London is around 45 minutes on public transport. If you prefer to travel by car, it'll take you roughly 1 hour 5 minutes to cover the 56 kilometres or so.
Relax in bed for a little longer and still make your London to Ko Samui International Airport flight with time to spare. These hotels near London Stansted Airport make it a breeze to get to the terminal if you're jetting off early:
With 80% of its departing flights arriving as planned, STN is a dependable starting point for any trip.

About Ko Samui International Airport (USM)

If you have a late flight from London to Ko Samui International Airport, nothing tops the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these options near USM:
Booking your vehicle around four weeks in advance of your London to Ko Samui International Airport flight can help you lock in a great deal.

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

Ko Samui International Airport is around 11 kilometres from central Koh Samui. It takes around 20 minutes or so to drive to the city.
It'll take around 30 minutes if you're travelling by public transport.

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

The lowest price we've found for a one-way ticket from London to Ko Samui International Airport is R 6,090. For a return flight on this route, the best price is R 12,474. Depending on the availability when you book, these fares may change.
To find cheap flights from London to USM, book ahead. Airlines typically offer lower fares when flights are first released.
The 'Whole month' search tool shows you the cheapest London to Ko Samui International Airport tickets across each month. It's a good way to snap up a bargain if your plans are flexible.
Locking in a cheap plane ticket from London to USM is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as the price has dropped.
Filters make it easier to snap up a deal on your flight from London to Ko Samui International Airport. Pick the airlines, flight times and stops that work for you. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from London to Ko Samui International Airport (USM)

November is the busiest month for flights from London to Ko Samui International Airport (USM). Visit Koh Samui in March if you prefer a quieter experience.
Before locking in your London to USM plane ticket, consider the weather you're most comfortable in. May is the warmest month in Koh Samui, with temperatures ranging from 25ºC (77ºF) to 30ºC (86ºF).
If you like cooler conditions, search for a cheap ticket from London to Ko Samui International Airport in January when temperatures are between 23ºC (73ºF) and 28ºC (82ºF).

Explore more of Thailand

You've seen Koh Samui, now it's time to explore other parts of Thailand. Travel about 129 kilometres south to Nakhon Si Thammarat to tick off its leading sights. From Wat Phra Phrom to Wat Pho Sadet and Wat Yai Chai Mongkol, there's plenty to keep you busy.
Phuket is another standout destination in Thailand and is around 257 kilometres southwest of Koh Samui. No trip is complete without a visit to V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach.