When did momondo last update prices for flights from Ko Samui Airport to London Heathrow Airport?

Prices for flights from Ko Samui Airport to London Heathrow Airport are refreshed on a daily basis.

How old do you have to be to fly from Ko Samui Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ko Samui Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£335 Cheap Flights from Ko Samui to London Heathrow Airport in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Ko Samui to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

18:15 - 18:40

USM

LHR

30h 25m

2 stops

22:15 - 07:45

LHR

USM

27h 30m

2 stops

£775Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

15:50 - 06:55

USM

LHR

21h 05m

2 stops

10:00 - 15:10

LHR

USM

23h 10m

2 stops

£793Gulf Air

Tue, 15 Sep - Tue, 6 Oct

18:15 - 18:40

USM

LHR

30h 25m

2 stops

17:10 - 20:45

LHR

USM

21h 35m

3 stops

£824Multiple Airlines

Wed, 19 Aug - Wed, 26 Aug

19:45 - 11:15

USM

LHR

21h 30m

2 stops

14:45 - 07:45

LHR

USM

35h 00m

3 stops

£827Multiple Airlines

Sat, 8 Aug - Sat, 15 Aug

15:50 - 06:55

USM

LHR

21h 05m

2 stops

22:05 - 13:45

LHR

USM

33h 40m

2 stops

£835Gulf Air

Tue, 15 Sep - Tue, 6 Oct

15:50 - 06:55

USM

LHR

21h 05m

2 stops

22:05 - 13:45

LHR

USM

33h 40m

2 stops

£841Gulf Air

Tue, 15 Sep - Tue, 6 Oct

15:50 - 06:55

USM

LHR

21h 05m

2 stops

22:05 - 13:45

LHR

USM

33h 40m

2 stops

£842Gulf Air

Tue, 15 Sep - Tue, 6 Oct

16:25 - 07:05

USM

LHR

20h 40m

2 stops

09:05 - 21:10

LHR

USM

30h 05m

2 stops

£914Emirates

Sun, 13 Sep - Wed, 16 Sep

16:25 - 12:25

USM

LHR

26h 00m

2 stops

14:25 - 21:10

LHR

USM

24h 45m

2 stops

£916Emirates

Sun, 13 Sep - Wed, 16 Sep

09:15 - 19:20

USM

LHR

16h 05m

1 stop

22:05 - 13:45

LHR

USM

33h 40m

2 stops

£919Multiple Airlines

Tue, 15 Sep - Tue, 6 Oct

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Qatar Airways flights from Ko Samui to London Heathrow Airport

Our best Qatar Airways deals on Ko Samui to London Heathrow Airport flight tickets

Qatar Airways

3 Aug

USM11:55Ko Samui

24h 35m

2 stops

LHR06:30London Heathrow

10 Aug

LHR20:40London Heathrow

30h 40m

2 stops

USM09:20Ko Samui

£1,016

Qatar Airways

19 Jul

USM17:55Ko Samui

20h 05m

2 stops

LHR08:00London Heathrow

11 Aug

LHR16:00London Heathrow

18h 35m

2 stops

USM16:35Ko Samui

£1,131

Qatar Airways

19 Jul

USM17:55Ko Samui

20h 05m

2 stops

LHR08:00London Heathrow

11 Aug

LHR08:25London Heathrow

20h 05m

2 stops

USM10:30Ko Samui

£1,139

EVA Air flights from Ko Samui to London Heathrow Airport

Our best EVA Air deals on Ko Samui to London Heathrow Airport flight tickets

EVA Air

15 Sept

USM21:00Ko Samui

28h 20m

1 stop

LHR19:20London Heathrow

6 Oct

LHR21:35London Heathrow

17h 15m

1 stop

USM20:50Ko Samui

£987

EVA Air

2 Sept

USM08:45Ko Samui

16h 35m

1 stop

LHR19:20London Heathrow

23 Sept

LHR21:35London Heathrow

16h 55m

1 stop

USM20:30Ko Samui

£1,115

EVA Air

12 Aug

USM08:10Ko Samui

17h 10m

1 stop

LHR19:20London Heathrow

12 Aug

LHR21:35London Heathrow

18h 00m

1 stop

USM21:35Ko Samui

£1,182

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 18/8

18:15-18:40

2 stops30h 25m

London Heathrow

Tue 25/8

22:15-07:45

2 stops27h 30m

£775

Fastest return journey

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

15:50-06:55

2 stops21h 05m

London Heathrow

Tue 6/10

10:00-15:10

2 stops23h 10m

£793

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Wed 19/8

18:15-18:40

2 stops30h 25m

London Heathrow

Wed 26/8

17:10-20:45

3 stops21h 35m

£824

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sat 8/8

19:45-11:15

2 stops21h 30m

London Heathrow

Sat 15/8

14:45-07:45

3 stops35h 00m

£827

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

15:50-06:55

2 stops21h 05m

London Heathrow

Tue 6/10

22:05-13:45

2 stops33h 40m

£835

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

15:50-06:55

2 stops21h 05m

London Heathrow

Tue 6/10

22:05-13:45

2 stops33h 40m

£841

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

15:50-06:55

2 stops21h 05m

London Heathrow

Tue 6/10

22:05-13:45

2 stops33h 40m

£842

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 13/9

16:25-07:05

2 stops20h 40m

London Heathrow

Wed 16/9

09:05-21:10

2 stops30h 05m

£914

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 13/9

16:25-12:25

2 stops26h 00m

London Heathrow

Wed 16/9

14:25-21:10

2 stops24h 45m

£916

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

09:15-19:20

1 stop16h 05m

London Heathrow

Tue 6/10

22:05-13:45

2 stops33h 40m

£919

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ko Samui to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Ko Samui to London Heathrow Airport flights?

You could potentially save up to 29% on your flight if you consider stops on a Ko Samui to London Heathrow Airport flight.

How have Ko Samui to London Heathrow Airport flight prices changed over time?

When to book flights from Ko Samui to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ko Samui to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Ko Samui to London Heathrow Airport (USM to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ko Samui to London Heathrow Airport

Fastest flight time	20h 15m
Direct flights	None

The fastest flight from Ko Samui to London Heathrow Airport takes 20h 15m

There are no direct flights from Ko Samui to London Heathrow Airport. There are no popular flight routes from Ko Samui to London Heathrow Airport.

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Frequently asked questions about flying from Ko Samui to London Heathrow Airport

How far is Ko Samui to London Heathrow by plane?
The straight-line distance from Ko Samui to London Heathrow is 6145.4 mi. Typically, this will take 20h 15m by plane in normal conditions.
When did momondo last update prices for flights from Ko Samui Airport to London Heathrow Airport?
Prices for flights from Ko Samui Airport to London Heathrow Airport are refreshed on a daily basis.
How old do you have to be to fly from Ko Samui Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ko Samui Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Poole

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Hastings

Why use momondo?

Why should I use momondo to find a flight deal from Ko Samui to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ko Samui to London. momondo saves you time and could save you money on your trip.

Can I find flights from Ko Samui to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Ko Samui with this policy.

How can momondo help me find flights from Ko Samui to London?

Once you have performed a search for Ko Samui to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ko Samui to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Ko Samui are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.