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Cheap flights from Ko Samui to the United Kingdom from £235

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ko Samui to the United Kingdom departing on 24/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ko Samui to the United Kingdom

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:40 - 05:35
USM
-
LGW
24h 55m2 stops
Multiple Airlines Logo
10:30 - 17:30
LGW
-
USM
24h 00m2 stops
£710Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
08:15 - 21:50
USM
-
LGW
44h 35m3 stops
Multiple Airlines Logo
10:30 - 18:55
LGW
-
USM
25h 25m2 stops
£749Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
18:05 - 18:10
USM
-
LHR
31h 05m3 stops
Multiple Airlines Logo
06:40 - 15:10
LHR
-
USM
25h 30m2 stops
£790Multiple Airlines
Thu, 15 Jan - Thu, 5 Mar
Etihad Airways Logo
08:15 - 06:40
USM
-
LHR
29h 25m2 stops
Etihad Airways Logo
20:55 - 13:05
LHR
-
USM
33h 10m2 stops
£805Etihad Airways
Thu, 29 Jan - Thu, 5 Feb
Etihad Airways Logo
13:25 - 06:40
USM
-
LHR
24h 15m2 stops
Etihad Airways Logo
08:50 - 18:15
LHR
-
USM
26h 25m2 stops
£814Etihad Airways
Thu, 15 Jan - Thu, 5 Mar
Cathay Pacific Logo
11:40 - 15:00
USM
-
LHR
34h 20m1 stop
Cathay Pacific Logo
11:00 - 19:35
LHR
-
USM
25h 35m1 stop
£885Cathay Pacific
Thu, 29 Jan - Thu, 5 Feb
Emirates Logo
16:25 - 07:05
USM
-
LHR
20h 40m2 stops
Emirates Logo
09:05 - 21:10
LHR
-
USM
30h 05m2 stops
£897Emirates
Sun, 7 Jun - Wed, 10 Jun
Emirates Logo
16:25 - 07:05
USM
-
LHR
20h 40m2 stops
Emirates Logo
09:05 - 21:10
LHR
-
USM
30h 05m2 stops
£900Emirates
Sun, 7 Jun - Wed, 10 Jun
Qatar Airways Logo
17:55 - 06:40
USM
-
LGW
18h 45m2 stops
Qatar Airways Logo
09:00 - 11:55
LGW
-
USM
20h 55m2 stops
£1,052Qatar Airways
Mon, 8 Jun - Wed, 10 Jun
Qatar Airways Logo
12:10 - 06:40
USM
-
LGW
24h 30m2 stops
Qatar Airways Logo
09:00 - 19:10
LGW
-
USM
28h 10m2 stops
£1,057Qatar Airways
Mon, 8 Jun - Wed, 10 Jun

British Airways flights from Ko Samui to United Kingdom

Our best British Airways deals on Ko Samui to United Kingdom flight tickets
British Airways
15 Jan
USM13:25Ko Samui
23h 20m
1 stop
LHR05:45London Heathrow
5 Mar
LHR18:40London Heathrow
16h 35m
1 stop
USM18:15Ko Samui
£1,014
Find similar
British Airways
7 Jun
USM13:30Ko Samui
21h 55m
2 stops
LHR05:25London Heathrow
10 Jun
LHR22:00London Heathrow
17h 10m
1 stop
USM21:10Ko Samui
£1,079
Find similar

Qatar Airways flights from Ko Samui to United Kingdom

Our best Qatar Airways deals on Ko Samui to United Kingdom flight tickets
Qatar Airways
8 Jun
USM17:55Ko Samui
18h 45m
2 stops
LGW06:40London Gatwick
10 Jun
LGW09:00London Gatwick
20h 55m
2 stops
USM11:55Ko Samui
£1,052
Find similar
Qatar Airways
8 Jun
USM15:25Ko Samui
21h 15m
2 stops
LGW06:40London Gatwick
10 Jun
LGW14:55London Gatwick
37h 35m
2 stops
USM10:30Ko Samui
£1,071
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ko Samui to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Ko Samui to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Thu 29/1

11:40-05:35

2 stops24h 55m

London Gatwick

Thu 5/2

10:30-17:30

2 stops24h 00m

£710

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Fri 30/1

08:15-21:50

3 stops44h 35m

London Gatwick

Fri 6/2

10:30-18:55

2 stops25h 25m

£749

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 15/1

18:05-18:10

3 stops31h 05m

London Heathrow

Thu 5/3

06:40-15:10

2 stops25h 30m

£790

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 29/1

08:15-06:40

2 stops29h 25m

London Heathrow

Thu 5/2

20:55-13:05

2 stops33h 10m

£805

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 15/1

13:25-06:40

2 stops24h 15m

London Heathrow

Thu 5/3

08:50-18:15

2 stops26h 25m

£814

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 29/1

11:40-15:00

1 stop34h 20m

London Heathrow

Thu 5/2

11:00-19:35

1 stop25h 35m

£885

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 7/6

16:25-07:05

2 stops20h 40m

London Heathrow

Wed 10/6

09:05-21:10

2 stops30h 05m

£897

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 7/6

16:25-07:05

2 stops20h 40m

London Heathrow

Wed 10/6

09:05-21:10

2 stops30h 05m

£900

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 8/6

17:55-06:40

2 stops18h 45m

London Gatwick

Wed 10/6

09:00-11:55

2 stops20h 55m

£1,052

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 8/6

12:10-06:40

2 stops24h 30m

London Gatwick

Wed 10/6

09:00-19:10

2 stops28h 10m

£1,057

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from Ko Samui to United Kingdom

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

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Ko Samui to United Kingdom is on a Friday. Travellers who choose to depart for United Kingdom on a Friday will often find tickets for as low as £516. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ko Samui to United Kingdom for around £633.

What is the cheapest time of day to depart on your flight to United Kingdom?

The cheapest time of day to fly to United Kingdom is in the morning when flights can be purchased for as low as £558. Try not to purchase tickets in the afternoon because they tend to be around £622. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Ko Samui to United Kingdom flights?

You could potentially save up to 12% on your flight if you consider stops on a Ko Samui to United Kingdom flight.

Cheap Ko Samui to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ko Samui to United Kingdom

Fastest flight time

22h 10m

Direct flights

None
The fastest flight from Ko Samui to United Kingdom takes 22h 10m
There are no direct flights from Ko Samui to United Kingdom. There are no popular flight routes from Ko Samui to United Kingdom.
Search flight deals

  • When did momondo last update prices for flights from Ko Samui Airport to United Kingdom?

    Prices for flights from Ko Samui Airport to United Kingdom were last updated today.

  • How old do you have to be to fly from Ko Samui Airport to United Kingdom?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ko Samui Airport to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The necessary travel and health documents for your United Kingdom 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.

Best airlines flying from Ko Samui to United Kingdom

Compare and see reviews for airlines that fly from Ko Samui to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £820Free CancellationRating
6.8
7,635 reviews
Search Lufthansa flights

Why use momondo?

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

Finding the right flight to United Kingdom from Ko Samui is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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

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

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

momondo helps you find the best flight between Ko Samui and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Ko Samui to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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