AED 2,920 Cheap flights from London Heathrow to Samui International

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Flight deals from London Heathrow to Samui International

Looking for a cheap last-minute deal or the best round-trip flight from London Heathrow to Samui International? Find the lowest prices on one-way and round-trip tickets right here.

Koh Samui.AED 2,920 per passenger.Departing Sat, Jun 6, returning Tue, Jun 16.Round-trip flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departing from London Heathrow on Sat, Jun 6, arriving in Samui International.Inbound indirect flight with Austrian Airlines, departing from Samui International on Tue, Jun 16, arriving in London Heathrow.Price includes taxes and charges.From AED 2,920, select.

Koh Samui.AED 2,959 per passenger.Departing Fri, Mar 6, returning Tue, Mar 24.Round-trip flight with Shenzhen Airlines and Bangkok Airways.Outbound indirect flight with Shenzhen Airlines, departing from London Heathrow on Fri, Mar 6, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Tue, Mar 24, arriving in London Heathrow.Price includes taxes and charges.From AED 2,959, select.

Koh Samui.AED 2,984 per passenger.Departing Sat, May 2, returning Tue, May 19.Round-trip flight with SWISS and Austrian Airlines.Outbound indirect flight with SWISS, departing from London Heathrow on Sat, May 2, arriving in Samui International.Inbound indirect flight with Austrian Airlines, departing from Samui International on Tue, May 19, arriving in London Heathrow.Price includes taxes and charges.From AED 2,984, select.

Koh Samui.AED 3,097 per passenger.Departing Mon, Apr 6, returning Thu, May 7.Round-trip flight with Scandinavian Airlines and Bangkok Airways.Outbound indirect flight with Scandinavian Airlines, departing from London Heathrow on Mon, Apr 6, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Thu, May 7, arriving in London Heathrow.Price includes taxes and charges.From AED 3,097, select.

Koh Samui.AED 3,098 per passenger.Departing Tue, Apr 7, returning Sat, Apr 25.Round-trip flight with Scandinavian Airlines and Bangkok Airways.Outbound indirect flight with Scandinavian Airlines, departing from London Heathrow on Tue, Apr 7, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Sat, Apr 25, arriving in London Heathrow.Price includes taxes and charges.From AED 3,098, select.

Koh Samui.AED 3,106 per passenger.Departing Thu, Jan 29, returning Sun, Feb 8.Round-trip flight with China Southern and Bangkok Airways.Outbound indirect flight with China Southern, departing from London Heathrow on Thu, Jan 29, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Sun, Feb 8, arriving in London Heathrow.Price includes taxes and charges.From AED 3,106, select.

Koh Samui.AED 3,107 per passenger.Departing Sun, Nov 1, returning Sun, Nov 15.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from London Heathrow on Sun, Nov 1, arriving in Samui International.Inbound indirect flight with SWISS, departing from Samui International on Sun, Nov 15, arriving in London Heathrow.Price includes taxes and charges.From AED 3,107, select.

Koh Samui.AED 3,135 per passenger.Departing Mon, Nov 9, returning Tue, Dec 1.Round-trip flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departing from London Heathrow on Mon, Nov 9, arriving in Samui International.Inbound indirect flight with Etihad Airways, departing from Samui International on Tue, Dec 1, arriving in London Heathrow.Price includes taxes and charges.From AED 3,135, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Samui International flights are currently cheapest in June.

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London Heathrow to Samui International: Alternative routes

Compare routes from London Heathrow 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 found	AED 2,920
Cheapest month to fly	June

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

How much are round-trip flights from London Heathrow to Samui International?

The best price we found for a round-trip flight from London Heathrow to Samui International is AED 2,920. 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 Heathrow to Samui International?

Currently, there are no airlines that fly direct from London Heathrow to Samui International. But we found flights with one or more stops from AED 2,922.

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

There are no flights flying from London Heathrow to Samui International, as of December 2025.

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Samui International Airport on Saturday, June 6, 2026.

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

No airlines currently offer direct flights between London Heathrow Airport 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.

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

Currently, Austrian Airlines offers the cheapest flight tickets to Samui International.

Flying from London Heathrow Airport (LHR) 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 travel rules worth sticking to. Make sure you're at the airport on time to catch your LHR to USM flight.
During popular months like July, it's best to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during peak periods in general.
If you want to split up your journey, just deselect 'Direct flights only' when searching for your ticket from London Heathrow Airport to Koh Samui Airport. Here are the most popular stopovers between LHR and USM:
- Suvarnabhumi Airport
- Changi International Airport
- Hong Kong International Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Koh Samui Airport (USM)

AED 1,485 is the best price for a one-way London Heathrow Airport to Koh Samui Airport flight. A return flight starts at AED 2,920. These prices may change based on demand.
Don't leave things to the last minute. You're more likely to get cheap tickets from LHR to USM if you book early. Airlines often offer some amazing early bird discounts.
If you can be flexible with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price across every month when searching for a flight from London Heathrow Airport to Koh Samui Airport.
There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll update you the moment there's a change in price on cheap flights from LHR to USM.
Tailor your trip using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from London Heathrow Airport to Koh Samui Airport.

Handy information about London Heathrow Airport (LHR)

When it comes to London Heathrow Airport's on-time performance, 68.18% of flights arrive within the expected timeframe.
London Heathrow Airport is around 31 kilometers from central London. If you're ride-sharing, catching a cab or driving from the center, it'll take you 55 minutes or so to arrive, depending on the traffic.
Planning to catch public transport? You can expect a journey time of around 1 hour.
Get your break off to a hassle-free start by staying near LHR. Whether you're boarding an early flight from London Heathrow Airport to Koh Samui Airport or just don't like being rushed, these stays are perfect:

Arriving at Koh Samui Airport (USM)

If you're arriving on a late London Heathrow Airport to Koh Samui Airport flight, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be tucked up in bed shortly after at one of these options near USM:
Fast-track your adventure by picking up a Koh Samui Airport rental car. Grab a set of wheels from asap car rental, Hertz or Drive Car Rental and explore beyond Koh Samui's usual tourist stops.
Reserving your ride from Koh Samui Airport about four weeks in advance gives you the best shot at securing a great deal.

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

Koh Samui Airport to central Koh Samui is about 3 kilometers. Journey times will vary based on the time of day and traffic conditions, so checking a navigation app for real-time estimates is always a good idea.

When to fly to Koh Samui Airport (USM)

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

Explore more of Thailand

You've seen Koh Samui, now it's time to discover other corners of Thailand. Journey about 467 kilometers north to Bangkok to check off its leading sights. From Grand Palace to Wat Arun and Wat Phra Kaew, you've got a jam-packed schedule ahead.
Chon Buri is another must-experience destination in Thailand and is around 434 kilometers north of Koh Samui. No trip is complete without dropping by Wat Ton Son, Forest and Phra Phutthasihing Hall.