Can I combine different airlines on the same trip?

Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

Is lastminute.com a trustworthy travel brand?

In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

What options are there if I have to change my flight?

lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.**Flexibility services are available on selected flights only. Please read our T&Cs for more information.

I am afraid to lose my luggage, every time I fly. What can I do?

lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.****Baggage protection services are available on selected flights only. Please read our T&Cs for more information.

How long does a flight take between Koh Samui and London?

The flight from Koh Samui to London has a duration of 19h 58m.

What are the cheapest flights from Koh Samui to London?

The cheapest one-way flight costs £452 flying with Etihad Airways and the cheapest return flight costs £928 with Qatar Airways.

How many airports are there in the city of Koh Samui?

Koh Samui has 1 airport: Samui International Airport.

How many airports does London have?

There are 4 airports in London: LON - All airports, London Heathrow Airport, Gatwick, London City Airport

Which London airport is the most central?

The most central airport is LON - All airports, 9.1km.

Schedules of the first and last flight from Koh Samui to London

The first flight from Koh Samui to London is at 21:05 and the last flight departs at 06:40.

Cheap flights from Koh Samui to London

Fly smart, spend less

Flights to London from Koh Samui

Cheap flights from Koh Samui to London from £452. Koh Samui (Thailand) - London (United Kingdom) return flights from £928. From 10/11/2026 (Tuesday) - 18/11/2026 (Wednesday). Check for the dates with the lowest prices and find the cheapest rates.

Round trip

One Way

Round-trip flights from Chaweng Beach - Koh Samui to London

Cheapest round-trip flights from Chaweng Beach - Koh Samui to London

04 Nov - 12 Nov • 8 nights
12:30USM
25h 10m2 stops
06:40LHR
Etihad Airways
13:55LHR
20h 35m2 stops
17:30USM
Etihad Airways
from£897
04 Nov - 12 Nov • 8 nights
21:10USM
21h 55m2 stops
12:05LHR
Etihad Airways
13:55LHR
20h 35m2 stops
17:30USM
Etihad Airways
from£897
04 Nov - 12 Nov • 8 nights
17:05USM
20h 35m2 stops
06:40LHR
Etihad Airways
13:55LHR
20h 35m2 stops
17:30USM
Etihad Airways
from£908
19 Oct - 23 Oct • 4 nights
19:10USM
29h 40m2 stops
18:50LGW
Bangkok Airways, Condor
10:20LGW
22h 50m2 stops
15:10USM
Condor, Bangkok Airways
from£916
10 Nov - 17 Nov • 7 nights
11:10USM
25h 45m2 stops
05:55LGW
Qatar Airways
08:40LGW
19h2 stops
10:40USM
Qatar Airways
from£923
10 Nov - 17 Nov • 7 nights
15:50USM
21h 5m2 stops
05:55LGW
Qatar Airways
08:40LGW
19h2 stops
10:40USM
Qatar Airways
from£923

Explore all offers

Flights from Chaweng Beach - Koh Samui to London one way

Find one-way flights from Chaweng Beach - Koh Samui to London at great prices.

Explore all offers

More information about flights to London from Koh Samui

Good to know

Information about flights from Koh Samui to London

lastminute.com App for iPhone and Android – the solution to your travelling needs. Perfect if you are always on the move, need to book your travel from anywhere quickly and easily. Take this practical and reliable tool with you on your travels .

Why limit yourself to the lastminute.com desktop travel website services – download our iPhone and Android App and get full use of all the services even whilst you’re on holiday.

Not only can you use the lastminute.com website to search low cost flights, but we have even preselected some flight offers from Koh Samui to London for you to save you time.

lastminute.com’s flight search finds you all available low cost flights from Koh Samui to London in just a few clicks. When looking for a low cost flight Koh Samui-London, simply specify departure and arrival dates and the maximum price you want to pay. It’s that simple!

lastminute.com cares about its customers and offers more than an online travel booking tool. We support our customers from start to finish and beyond. Helping you plan your trip, to during your holiday and even when you return from your trip .

FAQs Koh Samui to London flights

FAQs

Can I combine different airlines on the same trip?
Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.
Is lastminute.com a trustworthy travel brand?
In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.
What options are there if I have to change my flight?
lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.*
*Flexibility services are available on selected flights only. Please read our T&Cs for more information.
I am afraid to lose my luggage, every time I fly. What can I do?
lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.**
**Baggage protection services are available on selected flights only. Please read our T&Cs for more information.
How long does a flight take between Koh Samui and London?
The flight from Koh Samui to London has a duration of 19h 58m.
What are the cheapest flights from Koh Samui to London?
The cheapest one-way flight costs £452 flying with Etihad Airways and the cheapest return flight costs £928 with Qatar Airways.
How many airports are there in the city of Koh Samui?
Koh Samui has 1 airport: Samui International Airport.
How many airports does London have?
There are 4 airports in London: LON - All airports, London Heathrow Airport, Gatwick, London City Airport
Which London airport is the most central?
The most central airport is LON - All airports, 9.1km.
Schedules of the first and last flight from Koh Samui to London
The first flight from Koh Samui to London is at 21:05 and the last flight departs at 06:40.