฿16,370 Cheap Flights from Samui Intl. Airport (USM) to London (LHR)

View ฿16,370 flight on Mon, 22 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿16,370 for one-way flights and ฿33,785 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Thu, 13 Nov - Tue, 20 Jan
USM
Koh Samui
LHR
London
฿33,785 Return, found 12 hours ago
฿33,785
Return
found 12 hours ago
Select Bangkok Airways flight, departing Thu, 13 Nov from Koh Samui to London, returning Tue, 20 Jan, priced at ฿33,785 found 12 hours ago
Lufthansa
Thu, 18 Sep - Mon, 22 Sep
USM
Koh Samui
LHR
London
฿34,140 Return, found 10 hours ago
฿34,140
Return
found 10 hours ago
Select Lufthansa flight, departing Thu, 18 Sep from Koh Samui to London, returning Mon, 22 Sep, priced at ฿34,140 found 10 hours ago
Swiss International Air Lines
Thu, 13 Nov - Tue, 20 Jan
USM
Koh Samui
LHR
London
฿34,225 Return, found 12 hours ago
฿34,225
Return
found 12 hours ago
Select Swiss International Air Lines flight, departing Thu, 13 Nov from Koh Samui to London, returning Tue, 20 Jan, priced at ฿34,225 found 12 hours ago
Austrian Airlines
Thu, 13 Nov - Tue, 20 Jan
USM
Koh Samui
LHR
London
฿34,505 Return, found 12 hours ago
฿34,505
Return
found 12 hours ago
Select Austrian Airlines flight, departing Thu, 13 Nov from Koh Samui to London, returning Tue, 20 Jan, priced at ฿34,505 found 12 hours ago
Austrian Airlines
Thu, 18 Sep - Mon, 22 Sep
USM
Koh Samui
LHR
London
฿34,960 Return, found 10 hours ago
฿34,960
Return
found 10 hours ago
Select Austrian Airlines flight, departing Thu, 18 Sep from Koh Samui to London, returning Mon, 22 Sep, priced at ฿34,960 found 10 hours ago
Lufthansa
Thu, 18 Sep - Mon, 22 Sep
USM
Koh Samui
LHR
London
฿34,975 Return, found 10 hours ago
฿34,975
Return
found 10 hours ago
Select Lufthansa flight, departing Thu, 18 Sep from Koh Samui to London, returning Mon, 22 Sep, priced at ฿34,975 found 10 hours ago
Scoot
Sun, 9 Nov - Tue, 18 Nov
USM
Koh Samui
LHR
London
฿35,370 Return, found 4 days ago
฿35,370
Return
found 4 days ago
Select Scoot flight, departing Sun, 9 Nov from Koh Samui to London, returning Tue, 18 Nov, priced at ฿35,370 found 4 days ago
Qatar Airways
Thu, 13 Nov - Tue, 20 Jan
USM
Koh Samui
LHR
London
฿37,365 Return, found 12 hours ago
฿37,365
Return
found 12 hours ago
Select Qatar Airways flight, departing Thu, 13 Nov from Koh Samui to London, returning Tue, 20 Jan, priced at ฿37,365 found 12 hours ago
KLM
Tue, 4 Nov - Thu, 13 Nov
USM
Koh Samui
LHR
London
฿38,505 Return, found 3 days ago
฿38,505
Return
found 3 days ago
Select KLM flight, departing Tue, 4 Nov from Koh Samui to London, returning Thu, 13 Nov, priced at ฿38,505 found 3 days ago
Swiss International Air Lines
Thu, 13 Nov - Tue, 20 Jan
USM
Koh Samui
LHR
London
฿38,620 Return, found 12 hours ago
฿38,620
Return
found 12 hours ago
Select Swiss International Air Lines flight, departing Thu, 13 Nov from Koh Samui to London, returning Tue, 20 Jan, priced at ฿38,620 found 12 hours ago
Flight from Samui Intl. Airport to London route information
Origin airport
Samui Intl. Airport
Destination airport
Heathrow
Airlines serving
Air France, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Etihad Airways, Gulf Air, KLM, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
฿33,785
Distance
9836 km

Perfect flights from Samui Intl. Airport to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Samui Intl. Airport to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Samui Intl. Airport to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from ฿16,370 and roundtrip prices from ฿33,785. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from USM to LHR?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Ko Samui Airport to LHR start from ฿33,785. Make your booking ASAP to score the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Samui Airport to London Heathrow?
We understand that circumstances change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from USM to Heathrow Airport (LHR) 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 USM to LHR flights, you'll see a "no change fees" filter for you to select.
How far is the flight from USM to LHR?
The distance is around 9,900 kilometres, so pack your carry-on luggage with everything you need to make the long journey comfortable. Not sure what to take on board your Koh Samui to Hounslow flight? A neck pillow, earplugs and a sleep mask are among the essentials.
Which airlines fly direct from USM to London Heathrow?
Unfortunately, there aren't any airlines that directly fly between Ko Samui Airport and LHR. You'll need to book a flight with at least one stop.
Are Ko Samui Airport to LHR flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally nab a bargain, with some super cheap airfares from USM to LHR appearing a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines quote prices so far in advance.

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