What are the cheapest airlines flying from London to Ko Samui round-trip?

According to our current data, KLM (£762), Qatar Airways (£802), and SWISS (£808) offers the cheapest pricing from London to Ko Samui. Users have found that KLM is 19% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from London to Ko Samui one-way?

The cheapest airline one-way is Emirates, with whom users have recently found tickets for as low as £518. However, be on the lookout for offers from EVA Air and Thai Airways, as they are both options that can get you from London to Ko Samui for a low price.

What are the most popular routes from London to Ko Samui?

The most popular route from London to Ko Samui is London Heathrow - Ko Samui. You may also consider London Gatwick - Ko Samui or London City - Ko Samui.

What are the most popular airlines that fly from London to Ko Samui?

The most popular airlines flying from London to Ko Samui are Air France, British Airways and EVA Air. Something to consider prior to booking your flight.

Where are the most common stopover locations when flying from London to Ko Samui?

The most popular stopover on flights from London to Ko Samui is Bangkok.

Where are the least popular stopover locations for London to Ko Samui flights?

London to Ko Samui flights have a stopover in Singapore the least frequently.

What are some popular things to do or see while on a stopover in Bangkok?

Pratunam, Thailand Cultural Center, and Siam Square are currently the most popular points of interest in Bangkok at the moment. Pratunam, Thailand Cultural Center, and Siam Square are located about 14.8 mi, 13.1 mi, and 15.1 mi, respectively from Bangkok Suvarnabhumi. Travellers in need of a car in Bangkok can hire one for about £17 per day.

What is the cheapest day to fly round-trip from London to Ko Samui?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 71%.

How far in advance should I book a flight from London to Ko Samui?

To save on the cost of your flight from London to Ko Samui, book at least 14 days before your planned departure. Booking around this time can save you about 2% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £752 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £934.

What is the cheapest month to fly from London to Ko Samui?

September can be a great time to fly to Ko Samui from London with a flight ticket averaging about £942. Cheapflights users have found deals in the month of September for as cheap as £647. The most expensive prices can be found in the month of December.

What airport do you fly into for flights to Ko Samui from London?

Most people fly into Ko Samui (USM) if they book a flight to Ko Samui from London. On average, Ko Samui has 0 inbound flights from London per day from 11 airlines. Ko Samui is conveniently located just 2.1 mi from Ko Samui’s city center.

Can I find deals for flights from London to Ko Samui that include hotel bookings?

Yes. In addition to deals on London to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Ko Samui?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ko Samui.

Can I find deals for business class flights from London to Ko Samui?

Yes. Cheapflights offers flight deals from London to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£313+ Flights from London to Ko Samui

Cheapflights Tip: The best prices from London to Ko Samui are usually found in September or October, booked 13 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from London to Ko Samui

Round-trip from	£762
One-way from	£313
Popular in	December
Cheapest in	September
Average price	£869

KLM
28/5-2/7
4 total stops
38h 10m total
London to Ko Samui

Search Deals

27/4
2 total stops
34h 40m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£29 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from London to Ko Samui

Cheapest flights from London to Ko Samui
Explore the most affordable flight options available from London to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2025.

Wed 28/511:45LHR - USM

2 stops20h 00mKLM

Wed 2/708:45USM - LHR

2 stops18h 10mKLM

Deal found 19/3£762

Tue 22/411:25LHR - USM

1 stop17h 45mMultiple Airlines

Mon 12/517:55USM - LHR

2 stops31h 15mMultiple Airlines

Deal found 19/3£762

Tue 22/407:10LGW - USM

3 stops31h 50mMultiple Airlines

Mon 12/506:55USM - LGW

2 stops29h 45mMultiple Airlines

Deal found 19/3£765

Wed 28/509:00LGW - USM

2 stops19h 30mQatar Airways

Wed 2/715:25USM - LGW

2 stops28h 00mQatar Airways

Deal found 19/3£802

Thu 29/507:35STN - USM

3 stops30h 55mMultiple Airlines

Sat 7/618:55USM - STN

2 stops19h 10mMultiple Airlines

Deal found 19/3£807

Tue 27/518:35LGW - USM

2 stops20h 35mSWISS

Wed 4/616:25USM - LGW

2 stops31h 30mSWISS

Deal found 19/3£808

Wed 12/1117:35LHR - USM

2 stops20h 30mAir France

Wed 26/1108:30USM - LHR

2 stops19h 55mAir France

Deal found 19/3£813

Tue 20/513:45LHR - USM

2 stops17h 00mSWISS

Tue 3/616:25USM - LHR

2 stops25h 00mSWISS

Deal found 19/3£819

Wed 7/521:35LHR - USM

1 stop16h 55mEVA Air

Thu 22/508:00USM - LHR

1 stop17h 20mEVA Air

Deal found 19/3£822

Tue 3/613:05LCY - USM

2 stops26h 05mSWISS

Tue 17/609:30USM - LCY

2 stops39h 15mSWISS

Deal found 19/3£823

Sun 9/1114:05STN - USM

2 stops19h 55mEmirates

Tue 25/1119:10USM - STN

2 stops23h 55mEmirates

Deal found 19/3£828

Wed 7/509:25LCY - USM

2 stops22h 20mMultiple Airlines

Thu 22/509:30USM - LCY

2 stops29h 20mMultiple Airlines

Deal found 19/3£831

Best flights from London to Ko Samui
Discover carefully curated flight deals from London to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 March 2025.

Wed 28/511:45LHR - USM

2 stops20h 00mKLM

Wed 2/708:45USM - LHR

2 stops18h 10mKLM

Deal found 19/3£762

Tue 22/411:25LHR - USM

1 stop17h 45mMultiple Airlines

Mon 12/517:55USM - LHR

2 stops31h 15mMultiple Airlines

Deal found 19/3£762

Wed 28/509:00LGW - USM

2 stops19h 30mQatar Airways

Wed 2/715:25USM - LGW

2 stops28h 00mQatar Airways

Deal found 19/3£802

Tue 27/518:35LGW - USM

2 stops20h 35mSWISS

Wed 4/616:25USM - LGW

2 stops31h 30mSWISS

Deal found 19/3£808

Wed 7/521:35LHR - USM

1 stop16h 55mEVA Air

Thu 22/508:00USM - LHR

1 stop17h 20mEVA Air

Deal found 19/3£822

Fri 6/614:00LGW - USM

2 stops25h 35mTurkish Airlines

Sun 22/607:00USM - LGW

2 stops21h 25mTurkish Airlines

Deal found 19/3£833

Tue 2/921:25LHR - USM

1 stop18h 10mThai Airways

Fri 12/910:05USM - LHR

1 stop15h 05mThai Airways

Deal found 19/3£845

Mon 1/909:25LHR - USM

1 stop16h 25mSingapore Airlines

Sun 14/908:45USM - LHR

1 stop27h 10mSingapore Airlines

Deal found 19/3£856

Wed 7/518:20LHR - USM

1 stop18h 15mCathay Pacific

Thu 22/508:00USM - LHR

2 stops27h 40mCathay Pacific

Deal found 19/3£901

Tue 2/914:55STN - USM

2 stops20h 00mEmirates

Fri 12/917:50USM - STN

2 stops25h 05mEmirates

Deal found 19/3£941

Sat 5/721:45LHR - USM

2 stops28h 30mEtihad Airways

Sat 19/713:30USM - LHR

2 stops23h 30mEtihad Airways

Deal found 19/3£1,059

Sat 5/719:35LHR - USM

1 stop16h 40mBritish Airways

Sat 19/713:30USM - LHR

1 stop21h 55mBritish Airways

Deal found 19/3£1,076

Last-minute flights from London to Ko Samui
Discover last-minute flight deals from London to Ko Samui. Data last updated 20 March 2025 and is based on user searches.

Thu 20/314:45LHR - USM

2 stops23h 20mAir France

Thu 3/410:55USM - LHR

2 stops27h 05mAir France

Deal found 19/3£1,084

Fri 21/316:50LHR - USM

1 stop19h 45mCathay Pacific

Thu 3/410:55USM - LHR

1 stop37h 20mCathay Pacific

Deal found 18/3£987

Fri 21/309:00LGW - USM

2 stops18h 35mQatar Airways

Thu 3/415:30USM - LGW

2 stops21h 10mQatar Airways

Deal found 18/3£1,150

Tue 1/419:20LCY - USM

2 stops19h 50mMultiple Airlines

Tue 8/413:30USM - LCY

2 stops24h 40mMultiple Airlines

Deal found 19/3£1,016

Wed 2/408:20STN - USM

3 stops30h 05mMultiple Airlines

Wed 30/419:25USM - STN

3 stops29h 20mMultiple Airlines

Deal found 19/3£920

Thu 17/414:25LHR - USM

2 stops36h 55mEmirates

Sat 17/514:00USM - LHR

2 stops23h 05mEmirates

Deal found 19/3£956

Tue 22/411:25LHR - USM

1 stop17h 45mMultiple Airlines

Mon 12/517:55USM - LHR

2 stops31h 15mMultiple Airlines

Deal found 19/3£762

Tue 22/407:10LGW - USM

3 stops31h 50mMultiple Airlines

Mon 12/506:55USM - LGW

2 stops29h 45mMultiple Airlines

Deal found 19/3£765

Tue 22/421:35LHR - USM

1 stop14h 55mEVA Air

Mon 12/508:45USM - LHR

1 stop16h 35mEVA Air

Deal found 19/3£846

Tue 22/419:20LCY - USM

2 stops19h 50mSWISS

Mon 12/509:30USM - LCY

2 stops29h 20mSWISS

Deal found 19/3£933

Tue 22/410:15LGW - USM

1 stop18h 55mSingapore Airlines

Mon 12/513:30USM - LGW

1 stop22h 55mSingapore Airlines

Deal found 19/3£1,131

Mon 28/413:45LHR - USM

2 stops22h 15mQatar Airways

Mon 26/517:55USM - LHR

2 stops32h 30mQatar Airways

Deal found 19/3£836

One-way flights from London to Ko Samui
Search for one-way flight options from London to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 20 March 2025.

Sun 27/415:10LTN - USM

2 stops34h 40mMultiple Airlines

Deal found 19/3£313

Fri 16/520:20STN - USM

3 stops53h 00mMultiple Airlines

Deal found 19/3£319

Sun 27/407:15LGW - USM

2 stops42h 35mMultiple Airlines

Deal found 19/3£332

Fri 16/521:05LHR - USM

2 stops52h 15mMultiple Airlines

Deal found 19/3£400

Fri 16/506:45LCY - USM

3 stops24h 00mMultiple Airlines

Deal found 19/3£504

Sat 3/510:05LGW - USM

2 stops43h 35mEmirates

Deal found 19/3£518

Wed 26/321:20LHR - USM

1 stop27h 20mEVA Air

Deal found 19/3£541

Tue 22/412:30LHR - USM

1 stop27h 05mThai Airways

Deal found 19/3£542

Fri 27/616:50LHR - USM

2 stops34h 30mEmirates

Deal found 19/3£551

Tue 1/721:45LHR - USM

2 stops30h 45mEtihad Airways

Deal found 19/3£579

Tue 22/414:55STN - USM

2 stops48h 15mEmirates

Deal found 19/3£593

Sun 27/413:45LCY - USM

2 stops19h 00mKLM

Deal found 19/3£610

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Wed 28/5

11:45-13:45

2 stops20h 00m

Ko Samui

Wed 2/7

08:45-20:55

2 stops18h 10m

£762

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Tue 22/4

11:25-11:10

1 stop17h 45m

Ko Samui

Mon 12/5

17:55-19:10

2 stops31h 15m

£762

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 22/4

07:10-21:00

3 stops31h 50m

Ko Samui

Mon 12/5

06:55-06:40

2 stops29h 45m

£765

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 28/5

09:00-10:30

2 stops19h 30m

Ko Samui

Wed 2/7

15:25-13:25

2 stops28h 00m

£802

LondonKo Samui

STN - USM

STNUSM

London Stansted

Thu 29/5

07:35-20:30

3 stops30h 55m

Ko Samui

Sat 7/6

18:55-08:05

2 stops19h 10m

£807

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 27/5

18:35-21:10

2 stops20h 35m

Ko Samui

Wed 4/6

16:25-17:55

2 stops31h 30m

£808

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Tue 20/5

13:45-12:45

2 stops17h 00m

Ko Samui

Tue 3/6

16:25-11:25

2 stops25h 00m

£819

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Wed 7/5

21:35-20:30

1 stop16h 55m

Ko Samui

Thu 22/5

08:00-19:20

1 stop17h 20m

£822

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 3/6

13:05-21:10

2 stops26h 05m

Ko Samui

Tue 17/6

09:30-18:45

2 stops39h 15m

£823

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 7/5

09:25-13:45

2 stops22h 20m

Ko Samui

Thu 22/5

09:30-08:50

2 stops29h 20m

£831

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 43 results

...

Best time to book a flight from London to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from London with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Ko Samui

How far ahead should I book a flight from London to Ko Samui?

The best time to book flights from London to Ko Samui is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to Ko Samui?

Currently, August is the cheapest month in which you can book a flight from London to Ko Samui (average of £1,019). Flying from London to Ko Samui in December is currently the most expensive (average of £1,607). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to USM?

It’s optimal to fly from London to Ko Samui in the afternoon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from London to Ko Samui?

Travellers seeking maximum savings on their London to Ko Samui flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ko Samui by month

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

Reviews of airlines servicing Ko Samui

Read reviews from past customers who have flown EVA Air, Singapore Airlines and Emirates from London to Ko Samui. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very Good

1,170 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Singapore Airlines

8.1

Very Good

1,279 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Emirates

8.0

Very Good

3,195 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

KLM

7.8

Good

1,319 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Thai Airways

7.8

Good

316 reviews

EVA Air

8.4

Very Good

1,170 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

What airport do you fly into for flights to Ko Samui from London?
Most people fly into Ko Samui (USM) if they book a flight to Ko Samui from London. On average, Ko Samui has 0 inbound flights from London per day from 11 airlines. Ko Samui is conveniently located just 2.1 mi from Ko Samui’s city center.
What are the cheapest airlines flying from London to Ko Samui round-trip?
According to our current data, KLM (£762), Qatar Airways (£802), and SWISS (£808) offers the cheapest pricing from London to Ko Samui. Users have found that KLM is 19% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London to Ko Samui one-way?
The cheapest airline one-way is Emirates, with whom users have recently found tickets for as low as £518. However, be on the lookout for offers from EVA Air and Thai Airways, as they are both options that can get you from London to Ko Samui for a low price.
What are the most popular routes from London to Ko Samui?
The most popular route from London to Ko Samui is London Heathrow - Ko Samui. You may also consider London Gatwick - Ko Samui or London City - Ko Samui.
Where are the most common stopover locations when flying from London to Ko Samui?
The most popular stopover on flights from London to Ko Samui is Bangkok.
What are some popular things to do or see while on a stopover in Bangkok?
Pratunam, Thailand Cultural Center, and Siam Square are currently the most popular points of interest in Bangkok at the moment. Pratunam, Thailand Cultural Center, and Siam Square are located about 14.8 mi, 13.1 mi, and 15.1 mi, respectively from Bangkok Suvarnabhumi. Travellers in need of a car in Bangkok can hire one for about £17 per day.
Where are the least popular stopover locations for London to Ko Samui flights?
London to Ko Samui flights have a stopover in Singapore the least frequently.
Can I find deals for flights from London to Ko Samui that include hotel bookings?
Yes. In addition to deals on London to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ko Samui.
Can I find deals for business class flights from London to Ko Samui?
Yes. Cheapflights offers flight deals from London to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Ko Samui?
Currently, August is the cheapest month in which you can book a flight from London to Ko Samui (average of £1,019). Flying from London to Ko Samui in December is currently the most expensive (average of £1,607). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Ko Tao

Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from London to Ko Samui

Airline	Cheapest	Average	Flexibility	On-time
Bangkok Airways	Cheapest£103	Average£168	FlexibilityNo cancel fee	On-time74%	Search Bangkok Airways flights
Air France	Cheapest£617	Average£757	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest£632	Average£734	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Etihad Airways	Cheapest£641	Average£713	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Singapore Airlines	Cheapest£679	Average£1,079	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
EVA Air	Cheapest£738	Average£841	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Austrian Airlines	Cheapest£750	Average£894	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
British Airways	Cheapest£754	Average£1,048	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Emirates	Cheapest£789	Average£849	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
Qatar Airways	Cheapest£804	Average£1,187	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Ko Samui?

When you search for this flight from London to Ko Samui, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Ko Samui?

Cheapflights simply makes it quick and affordable to book flights from London to Ko Samui by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Ko Samui with no change fees?

Need flexible booking options for your flight to Ko Samui from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Ko Samui become cheaper?

Not ready to book yet? You can track prices for flights from London to Ko Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London to Ko Samui from £313

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Ko Samui are usually found in September or October, booked 13 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from London to Ko Samui

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to Ko Samui

Cheapest flights from London to Ko SamuiExplore the most affordable flight options available from London to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2025.

Explore the most affordable flight options available from London to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Ko Samui that are best for you.

Best time to book a flight from London to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Ko Samui

How far ahead should I book a flight from London to Ko Samui?

Use this chart to determine the optimal time to book a return flight from London to Ko Samui. Price data was last updated on 14 March 2025.

What is the cheapest month to book a flight from London to Ko Samui?

What is the cheapest time of day to fly from LON to USM?

Find hourly flight availability from London to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 March 2025.

What is the cheapest day to fly from London to Ko Samui?

Use this chart to determine the cheapest time to fly return from London to Ko Samui. Price data was last updated on 12 May 2024.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

Reviews of airlines servicing Ko Samui

Read reviews from past customers who have flown EVA Air, Singapore Airlines and Emirates from London to Ko Samui. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ko Samui from London?

What are the cheapest airlines flying from London to Ko Samui round-trip?

What are the cheapest airlines to fly from London to Ko Samui one-way?

What are the most popular routes from London to Ko Samui?

Where are the most common stopover locations when flying from London to Ko Samui?

What are some popular things to do or see while on a stopover in Bangkok?

Where are the least popular stopover locations for London to Ko Samui flights?

Can I find deals for flights from London to Ko Samui that include hotel bookings?

How can I find direct flights from London to Ko Samui?

Can I find deals for business class flights from London to Ko Samui?

What is the cheapest month to book a flight from London to Ko Samui?

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from London to Ko Samui on these airlines

Choose from the following airlines for your flight from London to Ko Samui. Flights are based on user searches made on Cheapflights and were last updated on 20 March 2025.

Top 10 airlines flying from London to Ko Samui

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Ko Samui?

Why should you use Cheapflights to find cheap flight tickets from London to Ko Samui?

Can Cheapflights find flights from London to Ko Samui with no change fees?

Can Cheapflights notify me if prices for flights from London to Ko Samui become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Ko Samui
Explore the most affordable flight options available from London to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2025.