How long does a flight from Ko Samui to London take?

There are no direct flights for this route listed on KAYAK. The shortest multi-flight duration is 13h 45m .

What is the cheapest flight from Ko Samui to London?

In the last 5 days, the lowest price for a flight from Ko Samui to London was £238 for a one-way ticket and £642 for a return.

Which airports will I be using when flying from Ko Samui to London?

On your way to London, you’ll fly out from Ko Samui. You’ll be landing in one of London’s 2 airports: London Gatwick or London Heathrow.

Which aircraft models fly most regularly from Ko Samui to London?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Ko Samui to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ko Samui to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ko Samui to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Ko Samui is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ko Samui to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Ko Samui with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ko Samui to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Ko Samui up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which airlines provide the cheapest flights from Ko Samui to London?

In the past 5 days, the cheapest return tickets from Ko Samui to London were found on Qatar Airways (£920) and Lufthansa (£953).

£238 CHEAP FLIGHTS from Ko Samui to London (USM - LON)

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Cheapest return fare

£642

Multiple Airlines

Tue 15/12Fri 15/1

USM - LGW • 1 stop

Cheapest one-way flight

£238

Multiple Airlines

Thu 24/12

USM - LGW • 1 stop

Direct flights

Not available

There are currently no direct flights between Ko Samui and London. You’ll need at least 1 connection.

Insights

When to travel

January

Cheapest • 100% price drop

March

Most popular

Good to know

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you love your trip to London!

Flight Deals

Cheap Flights from Ko Samui to London (USM-LON)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Ko Samui to London

Tue, 15 Dec - Fri, 15 Jan

08:15 - 20:50USM Ko Samui-LGW London Gatwick

19h 35m1 stop Phuket City

11:35 - 19:50LGW London Gatwick-USM Ko Samui

25h 15m2 stops Beijing Capital Bangkok Suvarnabhumi

£642Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

06:00 - 23:55USM Ko Samui-LGW London Gatwick

23h 55m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Madrid Barajas

07:10 - 15:10LGW London Gatwick-USM Ko Samui

25h 00m3 stops Václav Havel Prague Sharjah Phuket City

£648Multiple Airlines

Tue, 15 Dec - Fri, 15 Jan

07:00 - 21:05USM Ko Samui-LGW London Gatwick

21h 05m1 stop Bangkok Suvarnabhumi

06:20 - 07:10LGW London Gatwick-USM Ko Samui

17h 50m1 stop Bangkok Suvarnabhumi

£652Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

14:35 - 06:55USM Ko Samui-LGW London Gatwick

22h 20m2 stops Bangkok Suvarnabhumi Manama Bahrain Intl

07:10 - 16:15LGW London Gatwick-USM Ko Samui

26h 05m3 stops Václav Havel Prague Sharjah Bangkok Suvarnabhumi

£654Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

17:35 - 18:50USM Ko Samui-LGW London Gatwick

31h 15m2 stops Bangkok Suvarnabhumi Frankfurt am Main

10:25 - 19:50LGW London Gatwick-USM Ko Samui

26h 25m2 stops Frankfurt am Main Bangkok Suvarnabhumi

£676Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

19:00 - 09:55USM Ko Samui-LGW London Gatwick

20h 55m2 stops Phuket City Istanbul

16:25 - 19:50LGW London Gatwick-USM Ko Samui

20h 25m3 stops Václav Havel Prague Sharjah Bangkok Suvarnabhumi

£678Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

15:25 - 10:40USM Ko Samui-LGW London Gatwick

25h 15m3 stops Phuket City Abu Dhabi Zayed Intl Dublin

16:35 - 20:30LGW London Gatwick-USM Ko Samui

21h 55m3 stops Václav Havel Prague Sharjah Bangkok Suvarnabhumi

£693Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

17:55 - 11:15USM Ko Samui-LGW London Gatwick

23h 20m3 stops Phuket City Abu Dhabi Zayed Intl Dublin

16:25 - 20:25LGW London Gatwick-USM Ko Samui

21h 00m3 stops Václav Havel Prague Sharjah Bangkok Suvarnabhumi

£699Multiple Airlines

Wed, 7 Oct - Wed, 14 Oct

15:25 - 09:55USM Ko Samui-LGW London Gatwick

24h 30m2 stops Phuket City Istanbul

16:35 - 21:35LGW London Gatwick-USM Ko Samui

23h 00m3 stops Václav Havel Prague Sharjah Bangkok Suvarnabhumi

£705Multiple Airlines

Tue, 15 Dec - Fri, 15 Jan

16:30 - 06:30USM Ko Samui-LGW London Gatwick

21h 00m2 stops Bangkok Suvarnabhumi Manama Bahrain Intl

11:35 - 20:25LGW London Gatwick-USM Ko Samui

25h 50m2 stops Beijing Capital Bangkok Suvarnabhumi

£743Multiple Airlines

Recent last minute flight deals from Ko Samui to London

Tue, 15 Sep - Sat, 19 Sep

15:50 - 19:10USM Ko Samui-LHR London Heathrow

33h 20m2 stops Bangkok Suvarnabhumi Muscat Seeb

20:50 - 21:35LHR London Heathrow-USM Ko Samui

18h 45m2 stops Muscat Seeb Bangkok Suvarnabhumi

£876Oman Air

Tue, 15 Sep - Tue, 6 Oct

14:00 - 07:30USM Ko Samui-LHR London Heathrow

23h 30m2 stops Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

12:30 - 20:30LHR London Heathrow-USM Ko Samui

26h 00m2 stops Mumbai Chhatrapati Shivaji Intl Bangkok Suvarnabhumi

£893Multiple Airlines

Tue, 15 Sep - Tue, 6 Oct

06:00 - 08:00USM Ko Samui-LHR London Heathrow

32h 00m2 stops Bangkok Suvarnabhumi Doha Hamad Intl

15:05 - 17:45LHR London Heathrow-USM Ko Samui

20h 40m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

£894Multiple Airlines

Tue, 15 Sep - Tue, 6 Oct

17:55 - 08:00USM Ko Samui-LHR London Heathrow

20h 05m2 stops Phuket City Doha Hamad Intl

09:30 - 11:15LHR London Heathrow-USM Ko Samui

19h 45m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

£895Qatar Airways

Tue, 15 Sep - Tue, 6 Oct

19:00 - 08:00USM Ko Samui-LHR London Heathrow

19h 00m2 stops Phuket City Doha Hamad Intl

16:00 - 15:45LHR London Heathrow-USM Ko Samui

17h 45m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

£897Qatar Airways

Tue, 15 Sep - Tue, 6 Oct

14:00 - 07:30USM Ko Samui-LHR London Heathrow

23h 30m2 stops Bangkok Suvarnabhumi New Delhi Indira Gandhi Intl

12:30 - 16:35LHR London Heathrow-USM Ko Samui

22h 05m2 stops Mumbai Chhatrapati Shivaji Intl Bangkok Suvarnabhumi

£900Multiple Airlines

Tue, 15 Sep - Sat, 19 Sep

17:55 - 08:00USM Ko Samui-LHR London Heathrow

20h 05m2 stops Phuket City Doha Hamad Intl

09:30 - 20:25LHR London Heathrow-USM Ko Samui

28h 55m2 stops Doha Hamad Intl Phuket City

£917Qatar Airways

Tue, 15 Sep - Sat, 19 Sep

17:55 - 08:00USM Ko Samui-LHR London Heathrow

20h 05m2 stops Phuket City Doha Hamad Intl

08:25 - 11:55LHR London Heathrow-USM Ko Samui

21h 30m2 stops Doha Hamad Intl Phuket City

£966Qatar Airways

Tue, 15 Sep - Sat, 19 Sep

17:55 - 08:00USM Ko Samui-LHR London Heathrow

20h 05m2 stops Phuket City Doha Hamad Intl

09:30 - 20:25LHR London Heathrow-USM Ko Samui

28h 55m2 stops Doha Hamad Intl Phuket City

£976Qatar Airways

Tue, 15 Sep - Sat, 19 Sep

17:55 - 08:00USM Ko Samui-LHR London Heathrow

20h 05m2 stops Phuket City Doha Hamad Intl

08:25 - 11:55LHR London Heathrow-USM Ko Samui

21h 30m2 stops Doha Hamad Intl Phuket City

£1,002Qatar Airways

Booking Insights

KAYAK’s insights & trends for Ko Samui to London flights

Get data-powered insights and trends into flights from Ko Samui to London to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

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

The cheapest month for flights from Ko Samui to London is January, where tickets cost £0 (return) on average. On the other hand, the most expensive months are April and February, where the average cost of round-trip tickets is £1,715 and £1,125 respectively.

Find deals

Expert advice

Our travel experts

Gabriel Leigh

Expert on Finnair

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Marisa Garcia

Expert on Iberia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialising in airline interiors and regulations. 10 years ago, she pivoted to journalism. She shares her insights in leading aviation, travel and business publications and on her site, FlightChic.

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Low season	August
High season	March
Cheapest flight	£238

Best time to beat the crowds (51% less expensive on average)

Flight from Ko Samui to London Gatwick Airport

When to book flights from Ko Samui to London

Are your dates flexible? Find out the best times to travel from Ko Samui to London based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Ko Samui to London?
In the last 5 days, the lowest price for a flight from Ko Samui to London was £238 for a one-way ticket and £642 for a return.
Which airports will I be using when flying from Ko Samui to London?
On your way to London, you’ll fly out from Ko Samui. You’ll be landing in one of London’s 2 airports: London Gatwick or London Heathrow.
Which aircraft models fly most regularly from Ko Samui to London?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Ko Samui to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ko Samui to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ko Samui to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Ko Samui is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ko Samui to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London with an airline and back to Ko Samui with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ko Samui to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Ko Samui up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

More options for your flight from Ko Samui to London

Add a hotel or car hire

Airports

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Direct flights

Origins

Other airports

Other destinations

Return flight

Complete your trip to London with a hotel stay or car hire

Car hire in London

Hotels in London

Holidays in London

USM - LON

£238 Find Cheap Flights from Ko Samui to London – Compare and Save

Everything you should know

Cheap Flights from Ko Samui to London (USM-LON)

Recent return flight deals from Ko Samui to London

Recent one-way flight deals from Ko Samui to London

Recent last minute flight deals from Ko Samui to London

KAYAK’s insights & trends for Ko Samui to London flights

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

Which airlines provide the cheapest flights from Ko Samui to London?

How long does a flight from Ko Samui to London take?

Expert advice for your flight from Ko Samui to London

Good to know - Cheap tickets from Ko Samui to London

Low season

High season

Cheapest flight

When to book flights from Ko Samui to London

FAQs for booking flights from Ko Samui to London

More options for your flight from Ko Samui to London

Complete your trip to London with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Ko Samui to London

Find direct flights to and from Ko Samui and London

Flights from domestic origins to London

Choose which airport to fly into in London

Flights to other popular destinations

Find deals for your return flight