April is by far the best month, wherein you can get cheapest flights for London to Ko Samui. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

London
21:05
London
London Stansted Airport
Tue , 21 Apr 2026

Ko Samui
09:20
Ko Samui
Samui Airport
Thu, 23 Apr 2026

London
14:55
London
London Stansted Airport
Sun , 26 Apr 2026

Ko Samui
15:10
Ko Samui
Samui Airport
Mon, 27 Apr 2026

London
21:05
London
London Stansted Airport
Mon , 06 Apr 2026

Ko Samui
07:10
Ko Samui
Samui Airport
Wed, 08 Apr 2026

London
10:50
London
London Stansted Airport
Mon , 04 May 2026

Ko Samui
20:30
Ko Samui
Samui Airport
Tue, 05 May 2026

London
10:50
London
London Stansted Airport
Mon , 13 Apr 2026

Ko Samui
21:35
Ko Samui
Samui Airport
Tue, 14 Apr 2026

London
10:50
London
London Stansted Airport
Mon , 20 Apr 2026

Ko Samui
20:30
Ko Samui
Samui Airport
Tue, 21 Apr 2026

London
15:40
London
London Stansted Airport
Fri , 01 May 2026

Ko Samui
20:30
Ko Samui
Samui Airport
Sat, 02 May 2026

London
15:45
London
London Stansted Airport
Fri , 24 Apr 2026

Ko Samui
20:30
Ko Samui
Samui Airport
Sat, 25 Apr 2026

London
18:15
London
London Stansted Airport
Thu , 30 Apr 2026

Ko Samui
21:35
Ko Samui
Samui Airport
Fri, 01 May 2026

London
17:15
London
London Stansted Airport
Thu , 30 Apr 2026

Ko Samui
21:35
Ko Samui
Samui Airport
Fri, 01 May 2026

London
15:40
London
London Stansted Airport
Fri , 24 Apr 2026

Ko Samui
20:30
Ko Samui
Samui Airport
Sat, 25 Apr 2026










Flying from London to Ko Samui has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between London to Ko Samui is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between London Stansted Airport (STN) and Samui Airport (USM). You can expect a flight distance of approximately 9837 km, and most direct services cover it in around 06:47.
Let’s take a closer look at everything you need to know before booking your flight from London to Ko Samui.
| Flight Details | Information |
|---|---|
| Route Distance | 9837 km |
| Average Flight Time | 06:47 hrs |
| Departure Airport | London Stansted Airport (STN) |
| Arrival Airport | Samui Airport (USM) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | Emirates, Turkish Airlines, Royal Jordanian, Etihad Airways |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.