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Cheap flights from London to Koh Samui from £466

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — USM
25 Nov — 2 Dec1
1 adult

The best prices from London to Ko Samui are usually found in September or May, booked 13 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from London to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 November 2024.

Round-trip from

£801

One-way from

£466

Popular in

December

Cheapest in

September
20/1-30/1
  • 20/1-30/1
  • 4 total stops
  • 38h 10m total
  • London to Koh Samui
Search Deals
23/2
  • 23/2
  • 2 total stops
  • 20h 05m total
  • London to Koh Samui
Search Deals
High demand for flights, 27% potential price rise
Search Deals
Best time to find cheap flights, 15% potential price drop
Search Deals

Find flight deals from London to Koh Samui

Cheapest flights from London to Koh Samui
Explore the most affordable flight options available from London to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Sat 23/1108:45LHR - USM
2 stops18h 50mMultiple Airlines
Sun 8/1221:30USM - LHR
2 stops28h 50mMultiple Airlines
Deal found 19/11£804
Sat 7/1206:35LGW - USM
3 stops31h 10mMultiple Airlines
Wed 18/1206:45USM - LGW
2 stops31h 15mMultiple Airlines
Deal found 19/11£808
Mon 2/1219:20LHR - USM
2 stops29h 25mEtihad Airways
Sun 15/1219:00USM - LHR
2 stops30h 25mEtihad Airways
Deal found 19/11£808
Tue 3/1221:20LHR - USM
1 stop16h 25mEVA Air
Mon 16/1209:20USM - LHR
1 stop17h 00mEVA Air
Deal found 19/11£833
Sun 1/1214:05STN - USM
2 stops17h 50mMultiple Airlines
Sun 15/1221:30USM - STN
2 stops21h 35mMultiple Airlines
Deal found 19/11£850
Sat 23/1117:35LHR - USM
2 stops20h 30mAir France
Sun 1/1208:30USM - LHR
2 stops19h 55mAir France
Deal found 19/11£857
Sat 30/1106:35LHR - USM
2 stops28h 40mTurkish Airlines
Mon 9/1221:30USM - LHR
2 stops25h 40mTurkish Airlines
Deal found 19/11£865
Sun 1/1218:55LHR - USM
1 stop16h 20mBritish Airways
Sun 15/1216:25USM - LHR
1 stop20h 15mBritish Airways
Deal found 19/11£918
Sat 30/1116:50LHR - USM
1 stop19h 45mCathay Pacific
Mon 9/1211:40USM - LHR
1 stop24h 50mCathay Pacific
Deal found 19/11£967
Tue 19/1122:05LHR - USM
1 stop37h 25mSingapore Airlines
Tue 26/1119:25USM - LHR
1 stop27h 10mSingapore Airlines
Deal found 19/11£980
Tue 10/1208:35LHR - USM
2 stops17h 05mQatar Airways
Tue 21/121:30USM - LHR
2 stops21h 45mQatar Airways
Deal found 19/11£981
Sat 23/1108:30LCY - USM
2 stops29h 35mSWISS
Sun 1/1216:25USM - LCY
2 stops22h 05mSWISS
Deal found 19/11£1,014

Find flights from London to Koh Samui within your budget

Customise your flight search to find flights from London to Koh Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 953,013 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Mon 20/1

13:35-14:55

2 stops18h 20m

Ko Samui

Thu 30/1

17:50-06:40

2 stops19h 50m

£801

LondonKoh Samui

STN - USM

STNUSM

London Stansted

Mon 10/2

14:05-15:35

2 stops18h 30m

Ko Samui

Mon 17/3

21:30-12:05

2 stops21h 35m

£801

LondonKoh Samui

LCY - USM

LCYUSM

London City

Mon 24/3

18:15-21:05

2 stops19h 50m

Ko Samui

Mon 7/4

13:30-16:25

2 stops32h 55m

£803

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Thu 16/1

20:55-07:30

2 stops27h 35m

Ko Samui

Thu 1/5

17:55-12:45

2 stops24h 50m

£803

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Tue 18/2

21:20-20:40

1 stop16h 20m

Ko Samui

Tue 18/3

09:20-19:20

1 stop17h 00m

£812

LondonKoh Samui

STN - USM

STNUSM

London Stansted

Tue 25/3

14:05-14:55

2 stops17h 50m

Ko Samui

Wed 30/4

21:10-12:55

2 stops21h 45m

£812

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Tue 25/3

13:35-14:55

2 stops18h 20m

Ko Samui

Wed 30/4

17:50-12:35

2 stops24h 45m

£817

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Tue 21/1

17:50-13:05

2 stops36h 15m

Ko Samui

Tue 4/3

13:25-08:05

2 stops25h 40m

£823

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Mon 12/5

18:40-21:15

2 stops20h 35m

Ko Samui

Thu 29/5

16:25-08:40

2 stops22h 15m

£830

LondonKoh Samui

LCY - USM

LCYUSM

London City

Mon 17/3

19:10-21:05

2 stops18h 55m

Ko Samui

Mon 7/4

13:30-08:40

2 stops25h 10m

£834

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 43 results
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Best time to book a flight from London to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh 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.

Travel insights for flights from London to Koh Samui

Get recent, data-driven insights about flights from London to Koh Samui including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from London to Koh Samui. Price data was last updated on 15 November 2024.

To ensure you get the cheapest price possible for a flight from London to Koh Samui, you should look to book at least 13 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from London to Koh Samui (average of £1,019). Flying from London to Koh Samui in December is currently the most expensive (average of £1,335). 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?

Find hourly flight availability from London to Koh 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 November 2024.

It’s optimal to fly from London to Koh Samui in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

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

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

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

Rainfall in Koh Samui by month

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

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

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

If weather is an important factor for your trip to Koh 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 Koh Samui

Get insights into the airlines that provide service to Koh Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Koh Samui. Reviews last updated 20 November 2024.
Read reviews from past customers who have flown Lufthansa, Emirates and SWISS from London to Koh 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
1,308 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very Good
1,308 reviews
EVA Air
8.4
Very Good
1,308 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Emirates
8.1
Very Good
3,487 reviews
EVA Air
8.4
Very Good
1,308 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Singapore Airlines
8.1
Very Good
1,333 reviews
EVA Air
8.4
Very Good
1,308 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

KLM
7.8
Good
1,350 reviews
EVA Air
8.4
Very Good
1,308 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Thai Airways
7.8
Good
368 reviews
EVA Air
8.4
Very Good
1,308 reviews
Check prices

Entertainment

8.0

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.2

Overall

8.4

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from London to Koh 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 Koh Samui from London?

    Most people fly into Ko Samui (USM) if they book a flight to Koh 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 Koh Samui’s city center.

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

    Our cheapest airline available from London to Koh Samui is Lufthansa. Our recent data shows that you can find tickets from as low as £803 on this airline. Additional options worth looking into are Etihad Airways and EVA Air, starting at £803 and £812 round-trip. Lufthansa is priced at 16% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as £478 on Emirates. Other airlines that offer cheap prices include EVA Air from £554 and Etihad Airways from £574 one-way.

  • What are the most popular routes from London to Koh Samui?

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

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

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

  • How can I find direct flights from London to Koh Samui?

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

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

    Yes. Cheapflights offers flight deals from London to Koh 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 Koh Samui?

    Currently, August is the cheapest month in which you can book a flight from London to Koh Samui (average of £1,019). Flying from London to Koh Samui in December is currently the most expensive (average of £1,335). 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

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Fly from London to Koh Samui on these airlines

Choose from the following airlines for your flight from London to Koh Samui. Flights are based on user searches made on Cheapflights and were last updated on 20 November 2024.
EVA Air flights from London to Ko Samui
Thai Airways flights from London to Ko Samui
Etihad Airways flights from London to Ko Samui

Top 10 airlines flying from London to Koh Samui

Discover the top 10 airlines that operate flights from London to Koh Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 953,013 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£106Average£131FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Air FranceCheapest£639Average£798FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£648Average£793FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£661Average£738FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£717Average£1,007FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
EVA AirCheapest£747Average£875FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
British AirwaysCheapest£766Average£1,060FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Cathay PacificCheapest£791Average£868FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£824Average£1,093FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£838Average£898FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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

When you search for this flight from London to Koh 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 Koh Samui?

Cheapflights simply makes it quick and affordable to book flights from London to Koh 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 Koh Samui with no change fees?

Need flexible booking options for your flight to Koh 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 Koh Samui become cheaper?

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

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