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

View AU$843 flight on Sun, 6 Sept 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, 9 Sept - Sat, 26 Sept
LGW
London
USM
Koh Samui
AU$1,438 Return, found 5 days ago
AU$1,438
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 9 Sept from London to Koh Samui, returning Sat, 26 Sept, priced at AU$1,438 found 5 days ago
Swiss International Air Lines
Wed, 9 Sept - Sat, 26 Sept
LHR
London
USM
Koh Samui
AU$1,498 Return, found 5 days ago
AU$1,498
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 9 Sept from London to Koh Samui, returning Sat, 26 Sept, priced at AU$1,498 found 5 days ago
Etihad Airways
Sun, 17 May - Mon, 8 June
LHR
London
USM
Koh Samui
AU$1,510 Return, found 4 days ago
AU$1,510
Return
found 4 days ago
Select Etihad Airways flight, departing Sun, 17 May from London to Koh Samui, returning Mon, 8 June, priced at AU$1,510 found 4 days ago
Lufthansa
Wed, 9 Sept - Sat, 26 Sept
LHR
London
USM
Koh Samui
AU$1,515 Return, found 5 days ago
AU$1,515
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 9 Sept from London to Koh Samui, returning Sat, 26 Sept, priced at AU$1,515 found 5 days ago
Swiss International Air Lines
Wed, 9 Sept - Sat, 26 Sept
LHR
London
USM
Koh Samui
AU$1,516 Return, found 5 days ago
AU$1,516
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 9 Sept from London to Koh Samui, returning Sat, 26 Sept, priced at AU$1,516 found 5 days ago
Qatar Airways
Sat, 5 Sept - Sat, 26 Sept
LGW
London
USM
Koh Samui
AU$1,617 Return, found 5 hours ago
AU$1,617
Return
found 5 hours ago
Select Qatar Airways flight, departing Sat, 5 Sept from London to Koh Samui, returning Sat, 26 Sept, priced at AU$1,617 found 5 hours ago
Oman Air
Sat, 5 Sept - Sat, 26 Sept
LHR
London
USM
Koh Samui
AU$1,688 Return, found 5 hours ago
AU$1,688
Return
found 5 hours ago
Select Oman Air flight, departing Sat, 5 Sept from London to Koh Samui, returning Sat, 26 Sept, priced at AU$1,688 found 5 hours ago
Swiss International Air Lines
Wed, 9 Sept - Sat, 26 Sept
LCY
London
USM
Koh Samui
AU$1,706 Return, found 5 days ago
AU$1,706
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 9 Sept from London to Koh Samui, returning Sat, 26 Sept, priced at AU$1,706 found 5 days ago
Emirates
Tue, 12 May - Tue, 26 May
STN
London
USM
Koh Samui
AU$1,799 Return, found 6 hours ago
AU$1,799
Return
found 6 hours ago
Select Emirates flight, departing Tue, 12 May from London to Koh Samui, returning Tue, 26 May, priced at AU$1,799 found 6 hours ago
Singapore Airlines
Wed, 9 Sept - Sat, 26 Sept
LGW
London
USM
Koh Samui
AU$1,801 Return, found 5 days ago
AU$1,801
Return
found 5 days ago
Select Singapore Airlines flight, departing Wed, 9 Sept from London to Koh Samui, returning Sat, 26 Sept, priced at AU$1,801 found 5 days ago

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city centre is 31 minutes. Flights from AU$2,451
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city centre31 min
Flights from AU$2,451

Travel information

Origin airport
Gatwick
Destination airport
Samui Intl. Airport
Airlines serving
Air France, Austrian Airlines, British Airways, Cathay Pacific, Emirates, Etihad Airways, Finnair, KLM, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
AU$1,438
Distance
9826 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$1,438, 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.

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LON to USM Flights
*Available to Expedia members.