Find Cheap Flights from London (LON) to Koh Samui Islands (USM) from £733

Many airlines offer flexible change policies

Earn BONUS+ rewards on top of your airline points

Enjoy exclusive promotions on the ebookers app!

Selected flight deals from London to Koh Samui Islands

The lowest prices found within the past 7 days from London to Koh Samui Islands were £505 for one-way flights and £733 for return flights, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cheap Flights from London to Koh Samui Islands & Flight Information
Origin airport IATA code
LHR
Destination airport IATA code
USM
Return price
£732

Best Day to Book Flight from London to Koh Samui Islands

Koh Samui Islands Flight Information

Traveling From
London
Origin Airport IATA Code
LON
Traveling To
Koh Samui Islands
Destination Airport IATA Code
USM
Number of Airlines Serving
Available Airlines
Qatar Airways, Etihad Airways, Austrian Airlines, Malaysia Airlines, KLM, Air France, Turkish Airlines, Gulf Air
Distance
Direct Flight Time
Flight Price
£733

Frequently asked questions

What are the best airports for London to Koh Samui Islands flights?
If you’re making your way from London to Koh Samui Islands, you’ll most likely be departing from London (LHR-Heathrow) and walking through the arrivals gate at Ko Samui Airport (USM).
What are some of the most popular airlines flying from London to Koh Samui Islands?
To get your break off to the best start, look up EVA Air. While there are a few well-known airlines operating between London and Koh Samui Islands, this carrier is a favourite among travellers. For even more options, try Thai Airways. You’ll find 13 flights travelling this route monthly. Conduct some quick research between the two carriers and if you’re in luck, you might just bag an awesome deal.
How many flights are there from London to Koh Samui Islands?
No matter what time of the year you decide to travel, you shouldn’t have any difficulties booking a flight from London to Koh Samui Islands. With 10 flights operating every week, it should be easy to find one to fit your schedule.
What are the cheapest days to book a flight?
This is one is easy to remember: Ticket Thursdays. We found that tickets booked on a Thursday resulted in the best deal on average in 2021. However, Friday can be the worst day to purchase plane tickets, as it was the day with the highest average ticket price based on flight demand on ebookers in 2021.
What are the cheapest days to fly?
When analysing flight demand on ebookers in 2021, Friday turned out to be the cheapest day to fly, with Tuesday as a close second. That’s definitely something to consider when booking your next trip! Thinking of traveling mid-week? It turns out that Wednesdays generally had the most expensive airline tickets, so keep this in mind when planning for your next trip.*According to flight demand on ebookers.com from January to December 2021. Savings are subject to change and may vary depending on selections made.

Fly from London to Koh Samui Islands with ebookers

Cheap flights from London to Koh Samui Islands 

Our advanced search tools and comprehensive filters help you find a flight that fits your budget. To search for cheap flights, just enter your travel dates and sort your results by price. With all available tickets listed lowest price first, it’s easy to select the one that’s easiest on your wallet.  

To find the cheapest flights from London to Koh Samui Islands, you can also travel outside peak season. The more flexible you can be on travel dates, the easier it is to find those cheap flight tickets. We know, for example, that the cheapest time to travel between London to Koh Samui Islands is October. In the current list of deals available, prices start at £733 and can rise to £799 for return flights.  

Find the best flight from London to Koh Samui Islands  

Every day between London and Koh Samui Islands,  flights from airlines jet back and forth. And with ebookers, you can book tickets for any one of those flights. If you book a direct flight with , you’ll arrive safely in your destination in around hours. If you can think of a quicker way to cover the between null and null, let us know! 

Flights from London to Koh Samui Islands — a great choice on great deals 

We only need a little information to give you a lot of choice. Just tell us when you’re planning your family holiday, long weekend, luxury getaway or quick business trip, and we’ll do the rest. And to keep your choice-making easy, we’ve given you plenty of ways to narrow down your search. Choose one-way, roundtrip or multi city flights, select your preferred airline, your time of arrival and departure and cabin class using the filters.  

Once you’ve told us what you want, we’ll show you what’s on offer. All you need to do is take your pick and start packing.  

Book your flights with ebookers 

We want the experience of booking your flight from London to Koh Samui Islands to be as simple as possible. That’s why we designed our search and filter options to make your life easy. Whether you are travelling on business or for pleasure, ebookers has you covered. 

When you’re ready to book, our service is always fast and transparent. We know plans change, so we have a range of flexible booking options. Choose between refundable bookings and flights with no charges should you need to rearrange and travel stress-free. 

Need a car after flight from London to Koh Samui Islands

Place to stay after flight from London to Koh Samui Islands

Hyatt Regency Koh Samui

Hyatt Regency Koh Samui

5 out of 5
99/11 Moo 5, Koh Samui, Surat Thani
Stay at this 5-star luxury hotel in Koh Samui. Enjoy free Wi-Fi, free valet parking and 5 outdoor pools. Our guests praise the breakfast and the pool in their ...
9.2/10 Wonderful! (213 reviews)
"Staff was super friendly."

Reviewed on 26 May 2024

Hyatt Regency Koh Samui
Fair House Villas & Spa

Fair House Villas & Spa

4.5 out of 5
39 Moo 1, Maenam, Suratthani, Koh Samui, Surat Thani
Stay at this 4.5-star luxury resort in Koh Samui. Enjoy free Wi-Fi, free parking and a full-service spa. Popular attractions Chaweng Beach and Fisherman's Village ...
8.6/10 Excellent! (487 reviews)
"Beautiful bungalows and property. Nice beach front area and very quiet"

Reviewed on 31 May 2024

Fair House Villas & Spa
Vannee Golden Sands Beachfront Resort

Vannee Golden Sands Beachfront Resort

4.5 out of 5
120 Ban Tai, Koh Phangan Surat Thani, Ko Pha-ngan, Surat Thani Province
Stay at this 4.5-star luxury resort in Ko Pha-ngan. Enjoy free Wi-Fi, free valet parking and 4 outdoor pools. Popular attractions Thong Sala Pier and Haad Rin ...
8.6/10 Excellent! (27 reviews)
Solid A, great hotel and staff
"We had an excellent stay at Vannee resort, it was a pleasant experience. The restaurant staff were all excellent and they had attentive people. The spa was excellent and we enjoyed our stay in Koh Phangan."

Reviewed on 8 Apr 2024

Vannee Golden Sands Beachfront Resort
Save an average of 15% on thousands of hotels when you're signed in
Conrad Koh Samui

Conrad Koh Samui

5 out of 5
49/8-9 Moo 4, Hillcrest Road, Tambon Taling-Ngam, Koh Samui, Surat Thani
Stay at this 5-star luxury resort in Koh Samui. Enjoy free Wi-Fi, free parking and private pools. Popular attractions Pangka Beach and Thong Kut Beach are located ...
9/10 Wonderful! (195 reviews)
Stay at the Conrad
"Fantastic stay in the ocean view villa - staff are friendly, approachable and determined to make your stay the best possible. Will be back."

Reviewed on 26 Dec 2023

Conrad Koh Samui
Holiday Inn Resort Samui Bophut Beach, an IHG Hotel

Holiday Inn Resort Samui Bophut Beach, an IHG Hotel

4.5 out of 5
Moo 2 Bophut, Koh Samui, Surat Thani
Stay at this 4.5-star luxury hotel in Koh Samui. Enjoy free Wi-Fi, free parking and 2 outdoor pools. Our guests praise the family amenities in their reviews. ...
8.8/10 Excellent! (121 reviews)
"Great location however pool bar needs extra staff when busy,"

Reviewed on 15 May 2024

Holiday Inn Resort Samui Bophut Beach, an IHG Hotel
The Ritz-Carlton, Koh Samui

The Ritz-Carlton, Koh Samui

5 out of 5
9/123 Moo 5, Tambon Bophut, Koh Samui, Surat Thani
Stay at this 5-star luxury resort in Koh Samui. Enjoy free Wi-Fi, free parking and a full-service spa. Popular attractions Chaweng Beach and Choeng Mon Beach ...
9/10 Wonderful! (207 reviews)
"Great customer service"

Reviewed on 4 Apr 2024

The Ritz-Carlton, Koh Samui
Don't see what you're looking for?
See all available properties in Koh Samui Islands
View all properties
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

*Savings based on all holiday package bookings with Flight + Hotel on ebookers.com from January 2017 to December 2017, as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages. For Free Flight or 100% Off Flight deals, package savings is greater than or equal to the current cost of one component, when both are priced separately.

Fare, taxes & fees: Fares were found on ebookers.com and are updated daily. They include all taxes and fees, except baggage fees.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a £25.00 / 45.00 Euro service fee charged by ebookers, plus any airline fare and tax increase that may be applicable.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.