Cheap Flights from London to Koh Samui from £437️ (LON-USM)

Flights from London to Koh Samui

Hotels in Koh Samui

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Flights from London to Koh Samui Starting at CNY 437

We've found these cheap flights for you. You can book one-way or return flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from London to Koh Samui

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from London to Koh Samui

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

China Eastern Airlines

From £364

Shenzhen Airlines

From £381

Air China

From £383

Saudia

From £389

Wizz Air UK

From £389

Etihad Airways

From £400

China Southern Airlines

From £402

Oman Air

From £405

British Airways

From £405

Qatar Airways

From £415

ANA airlines

Find more flights and airlines

Alternative Routes from London to Koh Samui

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from London to Koh Samui.

Cheapest
LGW
11:35
27h 25m
2 transfer
USM
21:00
London Gatwick Airport - Samui International Airport
Tue, Apr 23China Eastern Airlines
£364
LHR
22:00
27h 20m
2 transfer
USM
07:20
London Heathrow Airport - Samui International Airport
Mon, May 27Shenzhen Airlines
£381
LTN
05:55
23h 20m
2 transfer
USM
11:15
London Luton Airport - Samui International Airport
Sun, May 12Wizz Air UK
£389
LTN
05:55
23h 20m
2 transfer
USM
11:15
London Luton Airport - Samui International Airport
Sun, May 12Wizz Air UK
£389
Find More Flights

How do I find the cheapest flights?

When are flight tickets from London (LON) to Koh Samui (USM) the cheapest?
Airlines adjust prices for flights from London to Koh Samui 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 London (LON) to Koh Samui (USM) cost?
According to Trip.com's data, the lowest price is around £913.
What is the transportation method from the main airport to downtown in Koh Samui?
- The distance from Samui International Airport to downtown is about 3km, by taxi about 20 minutes.
How many airports in Koh Samui (USM)?
There are 1 airport(s) in Koh Samui (USM): Samui International Airport.

How to find a cheap flight from London to Koh Samui

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 London to Koh Samui. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com