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

View AU$748 flight on Fri, 24 Apr 2026Opens in a new window

Popular airlines from London to Samui Intl. Airport (USM)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Wed, 2 Sept - Wed, 16 Sept
LHR
London
USM
Koh Samui
AU$1,304 Return, found 5 days ago
AU$1,304
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 2 Sept from London to Koh Samui, returning Wed, 16 Sept, priced at AU$1,304 found 5 days ago
Swiss International Air Lines
Wed, 2 Sept - Wed, 16 Sept
LGW
London
USM
Koh Samui
AU$1,310 Return, found 5 days ago
AU$1,310
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 2 Sept from London to Koh Samui, returning Wed, 16 Sept, priced at AU$1,310 found 5 days ago
Swiss International Air Lines
Wed, 2 Sept - Wed, 16 Sept
LCY
London
USM
Koh Samui
AU$1,339 Return, found 5 days ago
AU$1,339
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 2 Sept from London to Koh Samui, returning Wed, 16 Sept, priced at AU$1,339 found 5 days ago
Swiss International Air Lines
Wed, 2 Sept - Wed, 16 Sept
LHR
London
USM
Koh Samui
AU$1,344 Return, found 5 days ago
AU$1,344
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 2 Sept from London to Koh Samui, returning Wed, 16 Sept, priced at AU$1,344 found 5 days ago
Swiss International Air Lines
Wed, 2 Sept - Wed, 16 Sept
LCY
London
USM
Koh Samui
AU$1,356 Return, found 5 days ago
AU$1,356
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 2 Sept from London to Koh Samui, returning Wed, 16 Sept, priced at AU$1,356 found 5 days ago
Swiss International Air Lines
Wed, 2 Sept - Wed, 16 Sept
LCY
London
USM
Koh Samui
AU$1,369 Return, found 5 days ago
AU$1,369
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 2 Sept from London to Koh Samui, returning Wed, 16 Sept, priced at AU$1,369 found 5 days ago
Lufthansa
Thu, 4 June - Wed, 17 June
LHR
London
USM
Koh Samui
AU$1,412 Return, found 4 days ago
AU$1,412
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 4 June from London to Koh Samui, returning Wed, 17 June, priced at AU$1,412 found 4 days ago
KLM
Wed, 2 Sept - Wed, 16 Sept
LHR
London
USM
Koh Samui
AU$1,431 Return, found 5 days ago
AU$1,431
Return
found 5 days ago
Select KLM flight, departing Wed, 2 Sept from London to Koh Samui, returning Wed, 16 Sept, priced at AU$1,431 found 5 days ago
Austrian Airlines
Wed, 2 Sept - Wed, 16 Sept
LHR
London
USM
Koh Samui
AU$1,438 Return, found 5 days ago
AU$1,438
Return
found 5 days ago
Select Austrian Airlines flight, departing Wed, 2 Sept from London to Koh Samui, returning Wed, 16 Sept, priced at AU$1,438 found 5 days ago
Etihad Airways
Mon, 18 May - Mon, 25 May
LHR
London
USM
Koh Samui
AU$1,469 Return, found 5 days ago
AU$1,469
Return
found 5 days ago
Select Etihad Airways flight, departing Mon, 18 May from London to Koh Samui, returning Mon, 25 May, priced at AU$1,469 found 5 days ago

Travel information

Origin airport
Heathrow
Destination airport
Samui Intl. Airport
Airlines serving
Air France, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Etihad Airways, KLM, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
AU$1,303
Distance
9836 km

Book with confidence

LON to USM Flights

Ready to get away? Use Expedia.com.au to book cheap flights from England to Koh Samui AU$1,304, and have leftover money to spare on adventures and activities while you’re in town. We have the world’s largest selection of flights, not to mention lower airfares than you’ll find anywhere else on the Internet.

Our user-friendly tools make it easier than ever to book LON to USM flights, even if you’re hoping to hop aboard one of the last-minute flights leaving today. So whether you seek a spontaneous trip to this city’s hottest attractions, or prefer to plan out every detail of your adventure ahead of time, Expedia.com.au is here to help you find exactly what you are interested in.

If you’re on the hunt for cheap flights to Koh Samui from England, you need not look any further. We make it simple for you to compare different airline carriers or choose the one that appeals to you most. We work with dozens of airlines in order to offer you incredible deals on business and personal travel. Start by searching through our selection of plane tickets today, and you’ll be in the sky before you know it.

LON to USM Flights
*Available to Expedia members.