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Cheap flights from Koh Samui to London from £354

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LON
26 nov — 3 dec1
1 adult

Cheap flight deals from Koh Samui to London

Discover tips and strategies to find the most affordable flight options for your journey from Koh Samui (USM) to London (LON). 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 21 november 2024.

Round-trip from

£719

One-way from

£354

Popular in

March

Cheapest in

October
16/3-29/3
  • 16/3-29/3
  • 6 total stops
  • 68h 40m total
  • Koh Samui to London
2/4
  • 2/4
  • 2 total stops
  • 26h 55m total
  • Koh Samui to London
High demand for flights, 29% potential price rise
Best time to find cheap flights, 44% potential price drop

Find flight deals from Koh Samui to London

Cheapest flights from Koh Samui to London
Explore the most affordable flight options available from Koh Samui to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 november 2024.

tors 5/1208:30USM - LHR
1 stop17h 50mEVA Air
lör 7/1221:20LHR - USM
1 stop16h 35mEVA Air
Deal found 20/11£995
tors 5/1221:25USM - LHR
2 stops28h 00mEtihad Airways
lör 7/1209:00LHR - USM
2 stops26h 15mEtihad Airways
Deal found 20/11£999
tors 5/1211:40USM - LHR
1 stop25h 40mCathay Pacific
lör 7/1217:50LHR - USM
2 stops20h 05mCathay Pacific
Deal found 20/11£1,613

Find flights from Koh Samui to London within your budget

Customise your flight search to find flights from Koh Samui to London 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 939,815 searches. Data last updated 21 november 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Koh SamuiLondon

USM - LGW

USMLGW

Ko Samui

sön 16/3

15:50-22:10

3 stops37h 20m

London Gatwick

lör 29/3

06:40-21:00

3 stops31h 20m

£719

Koh SamuiLondon

USM - LHR

USMLHR

Ko Samui

sön 16/3

16:25-08:05

2 stops22h 40m

London Heathrow

lör 29/3

17:30-21:15

2 stops20h 45m

£912

Koh SamuiLondon

USM - LHR

USMLHR

Ko Samui

tors 5/12

08:30-19:20

1 stop17h 50m

London Heathrow

lör 7/12

21:20-20:55

1 stop16h 35m

£995

Koh SamuiLondon

USM - LHR

USMLHR

Ko Samui

tors 5/12

21:25-18:25

2 stops28h 00m

London Heathrow

lör 7/12

09:00-18:15

2 stops26h 15m

£999

Koh SamuiLondon

USM - LCY

USMLCY

Ko Samui

sön 16/3

13:25-09:25

2 stops27h 00m

London City

lör 29/3

12:20-13:45

2 stops18h 25m

£1,227

Koh SamuiLondon

USM - LHR

USMLHR

Ko Samui

tors 5/12

11:40-06:20

1 stop25h 40m

London Heathrow

lör 7/12

17:50-20:55

2 stops20h 05m

£1,613

Koh SamuiLondon

USM - LHR

USMLHR

Ko Samui

ons 2/4

09:00-05:55

2 stops26h 55m

£354

Koh SamuiLondon

USM - LGW

USMLGW

Ko Samui

lör 28/12

08:55-14:00

2 stops36h 05m

£377

Koh SamuiLondon

USM - LHR

USMLHR

Ko Samui

ons 2/4

10:05-19:10

1 stop15h 05m

£447

Koh SamuiLondon

USM - LGW

USMLGW

Ko Samui

ons 2/4

08:00-07:20

2 stops29h 20m

£471

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 21 results
1
2
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Best time to book a flight from Koh Samui to London

Have a flexible travel schedule? Discover the best time to fly to London from Koh Samui 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 Koh Samui to London

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

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

Find hourly flight availability from Koh Samui to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 november 2024.

When flying from Koh Samui to London, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 6% versus a flight in the afternoon.

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 21 november 2024.
8.4
Very Good
1,308 reviews

Boarding

8.4

Comfort

8.2

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.0

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.

8.4
Very Good
1,308 reviews
8.4
Very Good
1,308 reviews

Boarding

8.4

Comfort

8.2

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.0

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.

8.1
Very Good
3,486 reviews
8.4
Very Good
1,308 reviews

Boarding

8.4

Comfort

8.2

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.0

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.

8.1
Very Good
1,336 reviews
8.4
Very Good
1,308 reviews

Boarding

8.4

Comfort

8.2

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.0

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.

7.8
Good
1,350 reviews
8.4
Very Good
1,308 reviews

Boarding

8.4

Comfort

8.2

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.0

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.

7.8
Good
368 reviews
8.4
Very Good
1,308 reviews

Boarding

8.4

Comfort

8.2

Crew

8.6

Overall

8.4

Entertainment

8.0

Food

8.0

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 Koh Samui to London. 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 from for flights from Koh Samui to London?

    If you book a flight to London from Koh Samui, you will be flying from Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 2.1 mi from the center of Koh Samui. There are 0 flights from Ko Samui to London per day from 0 different airlines.

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

    According to our current data, EVA Air (£995), Etihad Airways (£999), and Cathay Pacific (£1,613) offers the cheapest pricing from Koh Samui to London.

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

    £447 is the cheapest one-way deal found within the past few days, from Thai Airways. You may also be able to find cheap deals on Emirates and Lufthansa, with prices starting from £471 and £615, respectively.

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Koh Samui to London (average of £112). Flying from Koh Samui to London in July is currently the most expensive (average of £160). 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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Why should you use Cheapflights to find cheap flight tickets from Koh Samui to London?

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

Yes! Cheapflights helps users easily find flights from Koh Samui to London with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Koh Samui today and book when prices fit your budget.

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