Cheap Flights from Koh Samui to London
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Flights from Koh Samui to London
Airlines Flying from Koh Samui to London
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Bangkok Airways
EVA Air
Thai Airways
Qantas Airways
Qatar Airways
Oman Air
Scoot
China Eastern Airlines
Emirates
Tibet Airlines
Singapore Airlines
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Flight deals from Koh Samui to London
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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USM 08:4516h 35m1 stopsLHR 19:20Koh Samui - London | Wed, May 21 | EVA Air
LHR 21:3514h 55m1 stopsUSM 18:30London - Koh Samui | Fri, May 23 | EVA Air£827 £97415% OFF15% OFF£974 £827 -
USM 08:4516h 35m1 stopsLHR 19:20Koh Samui - London | Fri, May 30 | EVA Air
LHR 21:3516h 55m1 stopsUSM 20:30London - Koh Samui | Sun, Jun 1 | EVA Air£829 £97415% OFF15% OFF£974 £829
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USM 09:3015h 40m1 stopsLHR 19:10Koh Samui - London | Sat, May 24 | Thai Airways
LGW 10:1519h 5m1 stopsUSM 11:20London - Koh Samui | Mon, May 26 | Singapore Airlines£835 £97414% OFF14% OFF£974 £835 -
USM 08:4516h 35m1 stopsLHR 19:20Koh Samui - London | Tue, Jun 3 | EVA Air
LHR 21:3518h1 stopsUSM 21:35London - Koh Samui | Tue, Jun 10 | EVA Air£83514% OFF£974 £835
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USM 08:4516h 35m1 stopsLHR 19:20Koh Samui - London | Fri, May 16 | EVA Air
LHR 21:3514h 55m1 stopsUSM 18:30London - Koh Samui | Sun, May 18 | EVA Air£83614% OFF£974 £836
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USM 08:0017h 20m1 stopsLHR 19:20Koh Samui - London | Fri, Jun 20 | EVA Air
LHR 21:3518h1 stopsUSM 21:35London - Koh Samui | Sun, Jun 22 | EVA Air£83614% OFF£974 £836
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USM 08:4516h 35m1 stopsLHR 19:20Koh Samui - London | Sat, May 17 | EVA Air
LHR 21:3516h 55m1 stopsUSM 20:30London - Koh Samui | Sun, May 18 | EVA Air£83614% OFF£974 £836
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USM 09:3015h 50m1 stopsLHR 19:20Koh Samui - London | Wed, Jun 4 | EVA Air
LHR 21:3516h 55m1 stopsUSM 20:30London - Koh Samui | Thu, Jun 12 | EVA Air£83614% OFF£974 £836
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USM 08:4516h 35m1 stopsLHR 19:20Koh Samui - London | Fri, Jun 13 | EVA Air
LHR 21:3516h 55m1 stopsUSM 20:30London - Koh Samui | Fri, Jun 20 | EVA Air£83714% OFF£974 £837
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USM 08:0017h 20m1 stopsLHR 19:20Koh Samui - London | Sat, May 24 | EVA Air
LHR 21:3518h1 stopsUSM 21:35London - Koh Samui | Mon, May 26 | EVA Air£83814% OFF£974 £838
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USM 13:0017h 25m1 stopsLON Invalid DateKoh Samui - London | Sun, May 18 | Normal Airline
LON 15:006hDirectUSM 16:00London - Koh Samui | Tue, May 20 | Normal AirlineFind More FlightsFind More Flights
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USM 07:0018h 10m1 stopsLHR 19:10Koh Samui - London | Sun, May 25 | Bangkok Airways£366 £53832% OFF32% OFF£538 £366 -
USM 07:0018h 10m1 stopsLHR 19:10Koh Samui - London | Tue, Jun 10 | Bangkok Airways£385 £53828% OFF28% OFF£538 £385
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USM 06:5530h 20m1 stopsLHR 07:15Koh Samui - London | Thu, Jun 5 | Bangkok Airways£396 £53826% OFF26% OFF£538 £396
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USM 07:0018h 10m1 stopsLHR 19:10Koh Samui - London | Thu, Jun 19 | Thai Airways£39626% OFF£538 £396
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USM 17:5031h 20m1 stopsLHR 19:10Koh Samui - London | Wed, May 28 | Bangkok Airways£39726% OFF£538 £397
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USM 07:0018h 10m1 stopsLHR 19:10Koh Samui - London | Sun, Jun 22 | Thai Airways£40026% OFF£538 £400
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USM 07:0018h 10m1 stopsLHR 19:10Koh Samui - London | Thu, May 22 | Bangkok Airways£44318% OFF£538 £443
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USM 08:0017h 10m1 stopsLHR 19:10Koh Samui - London | Sat, May 24 | Thai Airways£44717% OFF£538 £447
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USM 07:0018h 10m1 stopsLHR 19:10Koh Samui - London | Thu, May 29 | Bangkok Airways£45815% OFF£538 £458
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USM 08:4516h 25m1 stopsLHR 19:10Koh Samui - London | Wed, May 21 | Thai Airways£46214% OFF£538 £462
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USM 13:0017h 25m1 stopsLON Invalid DateKoh Samui - London | Sun, May 18 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Koh Samui to London
| Cheapest one-way flight price | £365 |
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| Cheapest return ticket price | £410 |
| Off-season travel month | June |
| Peak season for travel | February |
| Flight distance | 9,874.84km |
| Popular airline | EVA Air |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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When are flight tickets from Koh Samui (USM) to London (LON) the cheapest?
Airlines adjust prices for flights from Koh Samui to London based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Koh Samui (USM) to London (LON) cost?
According to Trip.com's data, the lowest price is around £793. -
How many airports in London (LON)?
There are 6 airport(s) in London (LON): London City Airport, London Gatwick Airport, Heathrow Airport, London Luton Airport, London Southend Airport and London Stansted Airport.
How to find a cheap flight from Koh Samui to London
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Koh Samui to London. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from Koh Samui to London.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Koh Samui to London over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Sun, May 25, with one-way flights priced at just £366.
Compare cheap flight deals from Koh Samui to London across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Koh Samui to London. The cheapest airline for this route is Bangkok Airways.
Set up a Price Alert
By setting up a Price Alert for your journey from Koh Samui to London, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Koh Samui to London.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Koh Samui to London and snag some exclusive deals just for you.
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