Question 1

What’s the top stopover airport for flights from Ko Samui to London?

Accepted Answer

Bangkok (BKK) – chosen by Cheapflights users on 80% of one-stop itineraries from Ko Samui to London on Cheapflights.

Question 2

What’s the cheapest stopover airport for flights from Ko Samui to London?

Accepted Answer

Singapore (SIN) is the most affordable one-stop option, with an average return flight price of £831.

Question 3

What’s the fastest stopover option from Ko Samui to London?

Accepted Answer

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 16h 05m.

Question 4

Which airport typically offers the quickest stopover for flights from Ko Samui to London?

Accepted Answer

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 2h 41m.

Question 5

How long is the flight from Ko Samui to London?

Accepted Answer

Qatar Airways, SWISS, and Singapore Airlines can get you from Ko Samui to London in just under 17h 15m. Your travel time can differ by up to 27h 10m. Ko Samui and London are separated by a distance of 6138 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 6

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Ko Samui to London (average of £112). Flying from Ko Samui to London in August is currently the most expensive (average of £164). 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.

Question 7

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

Accepted Answer

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

Question 8

E

Accepted Answer

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.

Question 9

E

Accepted Answer

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).

Question 10

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

Accepted Answer

When deciding which route to take from Ko Samui to London consider Ko Samui - London City, Ko Samui - London Gatwick or Ko Samui - London Heathrow as they are the most popular.

Question 11

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

Accepted Answer

Travelers have found that booking a Thursday departure is the best way to save up to 22% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 12

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

Accepted Answer

The best pricing can be found in the month of October. Prices to London from Ko Samui average £931. You can even find prices in October for less than £931, as users have found deals to London from as low as £404. The month of January appears to be one of the more expensive times to travel to London from Ko Samui. Flying in the targeted month can save you up to 66%.

Question 13

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

Accepted Answer

When flying from Ko Samui to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight at midday.

Question 14

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

Accepted Answer

If you book a flight to London from Ko 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 Ko Samui. There are 0 flights from Ko Samui to London per day from 0 different airlines.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

Yes. Cheapflights offers flight deals from Ko 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.

Question 18

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

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 19

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

Accepted Answer

Cheapflights helps you find that perfect flight to London from Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 20

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

Accepted Answer

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

Question 21

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

Accepted Answer

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

Round-trip from	£734
One-way from	£245
Popular in	January
Cheapest in	October
Average price	£943

Cheap flights from Ko Samui to London from £245

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ko Samui to London

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Cheapest flights from Ko Samui to LondonExplore the most affordable flight options available from Ko Samui to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Explore the most affordable flight options available from Ko Samui to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

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

Best time to book a flight from Ko Samui to London

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

Cheapflights Insights

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

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

Find hourly flight availability from Ko 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 27 August 2025.

What’s the top stopover airport for flights from Ko Samui to London?

Share of one-stop return flights from Ko Samui to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from Ko Samui to London?

Average return fare for one-stop flights from Ko Samui to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from Ko Samui to London?

Shortest average travel time for one-stop one-way flights from Ko Samui to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from Ko Samui to London?

Average stopover duration for one-stop one-way flights from Ko Samui to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing London

See what other customers who have flown with Austrian Airlines and Qatar Airways from Ko Samui to London have to say. You can also see how each airline compares 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 Ko 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 Ko Samui to London?

How long is the flight from Ko Samui to London?

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

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

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

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

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

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

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

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

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

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Cheapest flights from Ko Samui to London
Explore the most affordable flight options available from Ko Samui to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.