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.

£334 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

Last minute

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

14:00 - 06:55

USM

LHR

22h 55m

2 stops

10:00 - 13:45

LHR

USM

21h 45m

2 stops

£796Gulf 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

£798Gulf Air

Tue, 15 Sep - Tue, 6 Oct

15:50 - 06:55

USM

LHR

21h 05m

2 stops

10:00 - 15:10

LHR

USM

23h 10m

2 stops

£808Gulf Air

Tue, 15 Sep - Tue, 6 Oct

17:55 - 11:30

USM

LHR

23h 35m

2 stops

09:45 - 10:35

LHR

USM

18h 50m

2 stops

£836Multiple Airlines

Tue, 6 Oct - Sat, 24 Oct

15:50 - 06:55

USM

LHR

21h 05m

2 stops

22:05 - 13:45

LHR

USM

33h 40m

2 stops

£837Gulf Air

Tue, 15 Sep - Tue, 6 Oct

18:25 - 19:20

USM

LHR

30h 55m

2 stops

10:00 - 12:45

LHR

USM

20h 45m

2 stops

£885Multiple Airlines

Fri, 14 Aug - Mon, 31 Aug

19:00 - 11:30

USM

LHR

22h 30m

2 stops

20:45 - 07:10

LHR

USM

28h 25m

2 stops

£887Multiple Airlines

Fri, 14 Aug - Mon, 31 Aug

19:00 - 11:30

USM

LHR

22h 30m

2 stops

20:45 - 08:25

LHR

USM

29h 40m

2 stops

£896Multiple Airlines

Sat, 29 Aug - Sat, 5 Sep

14:30 - 19:00

USM

LHR

34h 30m

2 stops

12:30 - 16:35

LHR

USM

22h 05m

2 stops

£899Multiple Airlines

Mon, 31 Aug - Mon, 7 Sep

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

USM14:00Ko Samui

22h 55m

2 stops

LHR06:55London Heathrow

6 Oct

LHR10:00London Heathrow

21h 45m

2 stops

USM13:45Ko Samui

£796

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

£798

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

USM08:45Ko Samui

16h 35m

1 stop

LHR19:20London Heathrow

6 Oct

LHR21:35London Heathrow

14h 55m

1 stop

USM18:30Ko Samui

£965

EVA Air

6 Aug

USM06:00Ko Samui

19h 20m

1 stop

LHR19:20London Heathrow

20 Aug

LHR21:35London Heathrow

18h 00m

1 stop

USM21:35Ko Samui

£985

EVA Air

12 Nov

USM07:55Ko Samui

18h 10m

1 stop

LHR19:05London Heathrow

16 Nov

LHR21:20London Heathrow

15h 30m

1 stop

USM19:50Ko Samui

£1,017

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 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

14:00-06:55

2 stops22h 55m

London Heathrow

Tue 6/10

10:00-13:45

2 stops21h 45m

£796

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

£798

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

£808

Fastest return journey

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 6/10

17:55-11:30

2 stops23h 35m

London Heathrow

Sat 24/10

09:45-10:35

2 stops18h 50m

£836

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

£837

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Fri 14/8

18:25-19:20

2 stops30h 55m

London Heathrow

Mon 31/8

10:00-12:45

2 stops20h 45m

£885

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Fri 14/8

19:00-11:30

2 stops22h 30m

London Heathrow

Mon 31/8

20:45-07:10

2 stops28h 25m

£887

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sat 29/8

19:00-11:30

2 stops22h 30m

London Heathrow

Sat 5/9

20:45-08:25

2 stops29h 40m

£896

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 31/8

14:30-19:00

2 stops34h 30m

London Heathrow

Mon 7/9

12:30-16:35

2 stops22h 05m

£899

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	18h 30m
Direct flights	None

The fastest flight from Ko Samui to London Heathrow Airport takes 18h 30m

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 18h 30m 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

Ipswich

Maidstone

Swindon

Folkestone

Ilford

Canterbury

Poole

Guildford

Hastings

Hayes

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.