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

View AU$820 flight on Tue, 24 Feb 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
Thu, 10 Sept - Thu, 17 Sept
LCY
London
USM
Koh Samui
AU$1,287 Return, found 3 days ago
AU$1,287
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, 10 Sept from London to Koh Samui, returning Thu, 17 Sept, priced at AU$1,287 found 3 days ago
Lufthansa
Thu, 4 June - Thu, 11 June
LHR
London
USM
Koh Samui
AU$1,316 Return, found 6 days ago
AU$1,316
Return
found 6 days ago
Select Lufthansa flight, departing Thu, 4 June from London to Koh Samui, returning Thu, 11 June, priced at AU$1,316 found 6 days ago
Swiss International Air Lines
Thu, 10 Sept - Thu, 17 Sept
LCY
London
USM
Koh Samui
AU$1,317 Return, found 3 days ago
AU$1,317
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, 10 Sept from London to Koh Samui, returning Thu, 17 Sept, priced at AU$1,317 found 3 days ago
Swiss International Air Lines
Sat, 9 May - Wed, 20 May
LGW
London
USM
Koh Samui
AU$1,318 Return, found 6 days ago
AU$1,318
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Sat, 9 May from London to Koh Samui, returning Wed, 20 May, priced at AU$1,318 found 6 days ago
Austrian Airlines
Fri, 5 June - Fri, 12 June
LHR
London
USM
Koh Samui
AU$1,331 Return, found 2 days ago
AU$1,331
Return
found 2 days ago
Select Austrian Airlines flight, departing Fri, 5 June from London to Koh Samui, returning Fri, 12 June, priced at AU$1,331 found 2 days ago
Etihad Airways
Tue, 3 Mar - Sun, 15 Mar
LHR
London
USM
Koh Samui
AU$1,461 Return, found 23 hours ago
AU$1,461
Return
found 23 hours ago
Select Etihad Airways flight, departing Tue, 3 Mar from London to Koh Samui, returning Sun, 15 Mar, priced at AU$1,461 found 23 hours ago
Singapore Airlines
Thu, 13 Nov - Thu, 27 Nov
LHR
London
USM
Koh Samui
AU$1,591 Return, found 2 days ago
AU$1,591
Return
found 2 days ago
Select Singapore Airlines flight, departing Thu, 13 Nov from London to Koh Samui, returning Thu, 27 Nov, priced at AU$1,591 found 2 days ago
Qatar Airways
Sat, 9 May - Wed, 20 May
LGW
London
USM
Koh Samui
AU$1,644 Return, found 6 days ago
AU$1,644
Return
found 6 days ago
Select Qatar Airways flight, departing Sat, 9 May from London to Koh Samui, returning Wed, 20 May, priced at AU$1,644 found 6 days ago
Air France
Thu, 4 June - Thu, 11 June
LHR
London
USM
Koh Samui
AU$1,659 Return, found 6 days ago
AU$1,659
Return
found 6 days ago
Select Air France flight, departing Thu, 4 June from London to Koh Samui, returning Thu, 11 June, priced at AU$1,659 found 6 days ago
KLM
Mon, 8 Dec - Fri, 26 Dec
LHR
London
USM
Koh Samui
AU$1,718 Return, found 23 hours ago
AU$1,718
Return
found 23 hours ago
Select KLM flight, departing Mon, 8 Dec from London to Koh Samui, returning Fri, 26 Dec, priced at AU$1,718 found 23 hours 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$1,639
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city centre31 min
Flights from AU$1,639

Travel information

Origin airport
London City
Destination airport
Samui Intl. Airport
Airlines serving
Air France, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Etihad Airways, Gulf Air, KLM, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
AU$1,286
Distance
9802 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$1,287, 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.

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LON to USM Flights
*Available to Expedia members.