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

View AU$848 flight on Mon, 22 Sep. 2025Opens 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.

Austrian Airlines
Mon, 8 Sep. - Mon, 22 Sep.
LHR
London
USM
Koh Samui
AU$1,344 Return, found 3 days ago
AU$1,344
Return
found 3 days ago
Select Austrian Airlines flight, departing Mon, 8 Sep. from London to Koh Samui, returning Mon, 22 Sep., priced at AU$1,344 found 3 days ago
Swiss International Air Lines
Mon, 8 Sep. - Mon, 22 Sep.
LHR
London
USM
Koh Samui
AU$1,355 Return, found 3 days ago
AU$1,355
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, 8 Sep. from London to Koh Samui, returning Mon, 22 Sep., priced at AU$1,355 found 3 days ago
Swiss International Air Lines
Mon, 8 Sep. - Mon, 22 Sep.
LHR
London
USM
Koh Samui
AU$1,360 Return, found 3 days ago
AU$1,360
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, 8 Sep. from London to Koh Samui, returning Mon, 22 Sep., priced at AU$1,360 found 3 days ago
Swiss International Air Lines
Thu, 18 Sep. - Tue, 23 Sep.
LHR
London
USM
Koh Samui
AU$1,363 Return, found 2 days ago
AU$1,363
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, 18 Sep. from London to Koh Samui, returning Tue, 23 Sep., priced at AU$1,363 found 2 days ago
Swiss International Air Lines
Mon, 8 Sep. - Mon, 22 Sep.
LHR
London
USM
Koh Samui
AU$1,369 Return, found 3 days ago
AU$1,369
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, 8 Sep. from London to Koh Samui, returning Mon, 22 Sep., priced at AU$1,369 found 3 days ago
Swiss International Air Lines
Fri, 31 Oct. - Mon, 10 Nov.
LHR
London
USM
Koh Samui
AU$1,421 Return, found 1 day ago
AU$1,421
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Fri, 31 Oct. from London to Koh Samui, returning Mon, 10 Nov., priced at AU$1,421 found 1 day ago
Qatar Airways
Thu, 18 Sep. - Tue, 23 Sep.
LGW
London
USM
Koh Samui
AU$1,529 Return, found 2 days ago
AU$1,529
Return
found 2 days ago
Select Qatar Airways flight, departing Thu, 18 Sep. from London to Koh Samui, returning Tue, 23 Sep., priced at AU$1,529 found 2 days ago
Swiss International Air Lines
Thu, 5 Mar. - Thu, 12 Mar.
LCY
London
USM
Koh Samui
AU$1,599 Return, found 6 days ago
AU$1,599
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, 5 Mar. from London to Koh Samui, returning Thu, 12 Mar., priced at AU$1,599 found 6 days ago
Singapore Airlines
Thu, 5 Mar. - Thu, 12 Mar.
LGW
London
USM
Koh Samui
AU$1,618 Return, found 6 days ago
AU$1,618
Return
found 6 days ago
Select Singapore Airlines flight, departing Thu, 5 Mar. from London to Koh Samui, returning Thu, 12 Mar., priced at AU$1,618 found 6 days ago
Air France
Sun, 2 Nov. - Sat, 8 Nov.
LHR
London
USM
Koh Samui
AU$1,639 Return, found 1 day ago
AU$1,639
Return
found 1 day ago
Select Air France flight, departing Sun, 2 Nov. from London to Koh Samui, returning Sat, 8 Nov., priced at AU$1,639 found 1 day ago
Flight from London to Samui Intl. Airport route information
Origin airport
Heathrow
Destination airport
Samui Intl. Airport
Airlines serving
Air France, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Etihad Airways, KLM, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
AU$1,343
Distance
9836 km

LON to USM Flights

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