S$834 Cheap Flights from London to Samui Intl. Airport

View S$834 flight on Sat, 4 Oct, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Samui Intl. Airport (USM)

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Cheap Flights from London to Samui Intl. Airport (LHR-USM)

Prices were available within the past 7 days and start at S$834 for one-way flights and S$1,289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,289 Return, found 5 days ago
S$1,289
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,289 found 5 days ago
Air France
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,297 Return, found 5 days ago
S$1,297
Return
found 5 days ago
Select Air France flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,297 found 5 days ago
Lufthansa
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,310 Return, found 5 days ago
S$1,310
Return
found 5 days ago
Select Lufthansa flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,310 found 5 days ago
Swiss International Air Lines
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,394 Return, found 5 days ago
S$1,394
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,394 found 5 days ago
Air France
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,396 Return, found 5 days ago
S$1,396
Return
found 5 days ago
Select Air France flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,396 found 5 days ago
KLM
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,402 Return, found 5 days ago
S$1,402
Return
found 5 days ago
Select KLM flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,402 found 5 days ago
Swiss International Air Lines
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,417 Return, found 5 days ago
S$1,417
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,417 found 5 days ago
Gulf Air
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,462 Return, found 5 days ago
S$1,462
Return
found 5 days ago
Select Gulf Air flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,462 found 5 days ago
Etihad Airways
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,492 Return, found 5 days ago
S$1,492
Return
found 5 days ago
Select Etihad Airways flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,492 found 5 days ago
Austrian Airlines
Tue, 23 Sep - Tue, 30 Sep
LHR
London
USM
Koh Samui
S$1,520 Return, found 5 days ago
S$1,520
Return
found 5 days ago
Select Austrian Airlines flight, departing Tue, 23 Sep from London to Koh Samui, returning Tue, 30 Sep, priced at S$1,520 found 5 days ago
London to Samui Intl. Airport route information
Origin airport
Heathrow
Destination airport
Samui Intl. Airport
Airlines serving
Air France, British Airways, EVA Airways, Etihad Airways, Qatar Airways, Singapore Airlines, Turkish Airlines
Return price
S$1,289
Distance
9836 km

Perfect flights from London to Samui Intl. Airport

Your Journey from London to Samui Intl. Airport

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Samui Intl. Airport caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Gulf Air, Austrian Airlines, EVA Airways, Singapore Airlines, Cathay Pacific, Thai Airways International, Swiss International Air Lines, Air France, Lufthansa, KLM, Etihad Airways. Our selection of flights from Heathrow to Samui Intl. Airport caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Samui Intl. Airport Flights

Experience the joy of finding cheap flights from Heathrow to Samui Intl. Airport that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$834 and roundtrip prices from S$1,289*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Samui Intl. Airport with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Samui Intl. Airport

Picture yourself stepping off the plane in Samui Intl. Airport and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Samui Intl. Airport Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Samui Intl. Airport.
 

Beyond the Flight – Exploring Samui Intl. Airport

With Expedia, your adventure extends beyond the flight. Explore Samui Intl. Airport at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Samui Intl. Airport with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Samui Intl. Airport with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Heathrow Airport to USM?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between London Heathrow and Samui Airport was S$1,289. Cheap tickets don't hang around, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Ko Samui Airport?
This differs from airline to airline, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are easy instructions on how to cancel online.
How do I find cheap flights from Heathrow Airport (LHR) to Ko Samui Airport (USM) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for London Heathrow to Ko Samui Airport (USM) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Heathrow to Ko Samui Airport (USM)?
The distance is around 9,900 kilometres, so fill your carry-on luggage with all you need to make the long journey comfortable. Wondering what to take on board your Hounslow to Koh Samui flight? Earplugs, a sleep mask and a neck pillow are a few essentials.
Which airlines fly direct from Heathrow Airport (LHR) to Ko Samui Airport?
There are no direct flights, so you'll have to make at least one stop between Heathrow Airport and Samui Airport. Make the most of the layover time to stretch your legs and grab a coffee.
Are LHR to Ko Samui Airport (USM) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from LHR to Ko Samui Airport (USM) at the last minute could be your ticket to an awesome deal. However, it could end up costing a great deal more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

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