£372 Cheap Flights from Samui Intl. Airport (USM) to London (LON)

View £372 flight on Sat, 17 Jan 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £372 for one-way flights and £774 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bangkok Airways
Wed, 17 Sep - Tue, 23 Sep
USM
Koh Samui
LGW
London
£774 Return, found 8 hours ago
£774
Return
found 8 hours ago
Select Bangkok Airways flight, departing Wed, 17 Sep from Koh Samui to London, returning Tue, 23 Sep, priced at £774 found 8 hours ago
Bangkok Airways
Sat, 17 Jan - Sun, 1 Feb
USM
Koh Samui
LGW
London
£780 Return, just found
£780
Return
just found
Select Bangkok Airways flight, departing Sat, 17 Jan from Koh Samui to London, returning Sun, 1 Feb, priced at £780 just found
Swiss International Air Lines
Wed, 19 Nov - Wed, 26 Nov
USM
Koh Samui
LHR
London
£798 Return, found 5 days ago
£798
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 19 Nov from Koh Samui to London, returning Wed, 26 Nov, priced at £798 found 5 days ago
Qatar Airways
Wed, 17 Sep - Tue, 23 Sep
USM
Koh Samui
LGW
London
£807 Return, found 8 hours ago
£807
Return
found 8 hours ago
Select Qatar Airways flight, departing Wed, 17 Sep from Koh Samui to London, returning Tue, 23 Sep, priced at £807 found 8 hours ago
Austrian Airlines
Mon, 8 Sep - Tue, 9 Sep
USM
Koh Samui
LHR
London
£823 Return, found 5 days ago
£823
Return
found 5 days ago
Select Austrian Airlines flight, departing Mon, 8 Sep from Koh Samui to London, returning Tue, 9 Sep, priced at £823 found 5 days ago
Lufthansa
Mon, 16 Feb - Wed, 25 Feb
USM
Koh Samui
LHR
London
£857 Return, found 4 days ago
£857
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 16 Feb from Koh Samui to London, returning Wed, 25 Feb, priced at £857 found 4 days ago
Singapore Airlines
Wed, 29 Oct - Sun, 9 Nov
USM
Koh Samui
LGW
London
£866 Return, found 4 hours ago
£866
Return
found 4 hours ago
Select Singapore Airlines flight, departing Wed, 29 Oct from Koh Samui to London, returning Sun, 9 Nov, priced at £866 found 4 hours ago
Bangkok Airways
Wed, 17 Sep - Tue, 23 Sep
USM
Koh Samui
STN
London
£882 Return, found 8 hours ago
£882
Return
found 8 hours ago
Select Bangkok Airways flight, departing Wed, 17 Sep from Koh Samui to London, returning Tue, 23 Sep, priced at £882 found 8 hours ago
EVA Airways
Wed, 29 Oct - Sun, 9 Nov
USM
Koh Samui
LHR
London
£897 Return, found 4 hours ago
£897
Return
found 4 hours ago
Select EVA Airways flight, departing Wed, 29 Oct from Koh Samui to London, returning Sun, 9 Nov, priced at £897 found 4 hours ago
Scoot
Wed, 17 Sep - Tue, 23 Sep
USM
Koh Samui
LCY
London
£902 Return, found 10 hours ago
£902
Return
found 10 hours ago
Select Scoot flight, departing Wed, 17 Sep from Koh Samui to London, returning Tue, 23 Sep, priced at £902 found 10 hours ago
Flight from Samui Intl. Airport to London route information
Origin airport
Samui Intl. Airport
Destination airport
Gatwick
Return price
£773
Distance
9826 km

Compare flights from Samui Intl. Airport to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Samui Intl. Airport to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to LON-All Airports in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Samui Intl. Airport to LON-All Airports.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Samui Intl. Airport (USM) to LON-All Airports (LON)

The easiest way to view the best deals on flights from Samui Intl. Airport to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Samui Intl. Airport to LON-All Airports start at just £774 and range up to £902.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Samui Intl. Airport and London
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Samui Intl. Airport to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Samui Intl. Airport to LON-All Airports for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Explore a world of travel with Expedia

London Airports

London

Samui Intl. Airport to Heathrow
£797.22
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