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.

£308 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.

15:50 - 06:55

USM

LHR

21h 05m

2 stops

10:00 - 15:10

LHR

USM

23h 10m

2 stops

£791Gulf 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

£800Gulf 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

£814Gulf 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

£839Gulf 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

£840Gulf Air

Tue, 15 Sep - Tue, 6 Oct

06:00 - 19:15

USM

LHR

19h 15m

1 stop

22:40 - 07:10

LHR

USM

26h 30m

2 stops

£906Multiple Airlines

Fri, 21 Aug - Fri, 28 Aug

09:15 - 19:20

USM

LHR

16h 05m

1 stop

22:05 - 13:45

LHR

USM

33h 40m

2 stops

£915Multiple Airlines

Tue, 15 Sep - Tue, 6 Oct

17:55 - 19:00

USM

LHR

31h 05m

2 stops

12:30 - 16:50

LHR

USM

22h 20m

2 stops

£918Multiple Airlines

Fri, 21 Aug - Fri, 28 Aug

06:00 - 10:15

USM

LHR

34h 15m

2 stops

12:30 - 17:05

LHR

USM

22h 35m

2 stops

£919Multiple Airlines

Sat, 22 Aug - Sat, 29 Aug

09:15 - 19:20

USM

LHR

16h 05m

1 stop

22:05 - 13:45

LHR

USM

33h 40m

2 stops

£923Multiple Airlines

Tue, 15 Sep - Tue, 6 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Gulf Air flights from Ko Samui to London Heathrow Airport

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

Gulf Air

15 Sept

USM15:50Ko Samui

21h 05m

2 stops

LHR06:55London Heathrow

6 Oct

LHR10:00London Heathrow

23h 10m

2 stops

USM15:10Ko Samui

£791

Gulf Air

15 Sept

USM15:50Ko Samui

21h 05m

2 stops

LHR06:55London Heathrow

6 Oct

LHR22:05London Heathrow

33h 40m

2 stops

USM13:45Ko Samui

£800

Gulf Air

15 Sept

USM15:50Ko Samui

21h 05m

2 stops

LHR06:55London Heathrow

6 Oct

LHR22:05London Heathrow

33h 40m

2 stops

USM13:45Ko Samui

£814

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

USM20:35Ko Samui

28h 45m

1 stop

LHR19:20London Heathrow

6 Oct

LHR21:35London Heathrow

14h 55m

1 stop

USM18:30Ko Samui

£1,040

EVA Air

21 Sept

USM21:00Ko Samui

28h 20m

1 stop

LHR19:20London Heathrow

23 Sept

LHR21:35London Heathrow

16h 55m

1 stop

USM20:30Ko Samui

£1,046

EVA Air

21 Jul

USM08:45Ko Samui

16h 35m

1 stop

LHR19:20London Heathrow

11 Aug

LHR21:35London Heathrow

18h 00m

1 stop

USM21:35Ko Samui

£1,113

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

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

£791

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

£800

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

£814

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

£839

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

£840

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Fri 21/8

06:00-19:15

1 stop19h 15m

London Heathrow

Fri 28/8

22:40-07:10

2 stops26h 30m

£906

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

£915

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Fri 21/8

17:55-19:00

2 stops31h 05m

London Heathrow

Fri 28/8

12:30-16:50

2 stops22h 20m

£918

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sat 22/8

06:00-10:15

2 stops34h 15m

London Heathrow

Sat 29/8

12:30-17:05

2 stops22h 35m

£919

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

£923

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	19h 15m
Direct flights	None

The fastest flight from Ko Samui to London Heathrow Airport takes 19h 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.

Search flight deals

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 19h 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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Luton

Stratford-upon-Avon

Southend-on-Sea

Slough

Northampton

Maidstone

Ipswich

Swindon

Ilford

Folkestone

Canterbury

Poole

Guildford

Hayes

Hastings

Chichester

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.