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Cheap flights from Ko Samui to the United Kingdom from £238

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 1/12. 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
12:25 - 23:55USM-LGW
42h 30m3 stops
Multiple Airlines Logo
15:45 - 18:50LGW-USM
44h 05m3 stops
£673Multiple Airlines
Find Deal
Wed, 11 Feb - Wed, 18 Feb
Multiple Airlines Logo
09:35 - 21:40USM-LHR
19h 05m2 stops
Multiple Airlines Logo
18:40 - 21:05LHR-USM
19h 25m2 stops
£728Multiple Airlines
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Multiple Airlines Logo
07:15 - 18:30USM-LGW
18h 15m1 stop
Multiple Airlines Logo
15:45 - 18:50LGW-USM
44h 05m3 stops
£740Multiple Airlines
Find Deal
Wed, 11 Feb - Wed, 18 Feb
SWISS Logo
08:15 - 08:40USM-LCY
31h 25m2 stops
SWISS Logo
19:10 - 21:05LCY-USM
18h 55m2 stops
£771SWISS
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Etihad Airways Logo
17:25 - 12:05USM-LHR
25h 40m2 stops
Etihad Airways Logo
13:55 - 18:15LHR-USM
45h 20m2 stops
£785Etihad Airways
Find Deal
Wed, 11 Feb - Wed, 18 Feb
Qatar Airways Logo
13:25 - 12:35USM-LGW
30h 10m2 stops
Qatar Airways Logo
09:00 - 18:15LGW-USM
26h 15m2 stops
£807Qatar Airways
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Multiple Airlines Logo
13:25 - 09:05USM-LCY
26h 40m2 stops
Multiple Airlines Logo
09:20 - 18:15LCY-USM
49h 55m2 stops
£836Multiple Airlines
Find Deal
Wed, 11 Feb - Wed, 18 Feb
Cathay Pacific Logo
11:40 - 17:20USM-LHR
36h 40m1 stop
Cathay Pacific Logo
17:50 - 19:35LHR-USM
18h 45m1 stop
£867Cathay Pacific
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Cathay Pacific Logo
11:40 - 17:20USM-LHR
36h 40m1 stop
Cathay Pacific Logo
11:00 - 17:40LHR-USM
23h 40m2 stops
£1,070Cathay Pacific
Find Deal
Mon, 17 Nov - Mon, 24 Nov
SWISS Logo
09:15 - 08:50USM-LCY
29h 35m2 stops
SWISS Logo
13:05 - 13:55LCY-USM
18h 50m2 stops
£3,499SWISS
Find Deal
Wed, 1 Apr - Wed, 22 Apr

Cathay Pacific flights from Ko Samui to United Kingdom

Our best Cathay Pacific deals on Ko Samui to United Kingdom flight tickets
Cathay Pacific
17 Nov
USM11:40Ko Samui
36h 40m
1 stop
LHR17:20London Heathrow
24 Nov
LHR17:50London Heathrow
18h 45m
1 stop
USM19:35Ko Samui
£867
Find similar
Cathay Pacific
17 Nov
USM11:40Ko Samui
36h 40m
1 stop
LHR17:20London Heathrow
24 Nov
LHR11:00London Heathrow
23h 40m
2 stops
USM17:40Ko Samui
£1,070
Find similar

SWISS flights from Ko Samui to United Kingdom

Our best SWISS deals on Ko Samui to United Kingdom flight tickets
SWISS
17 Nov
USM08:15Ko Samui
31h 25m
2 stops
LCY08:40London City
24 Nov
LCY19:10London City
18h 55m
2 stops
USM21:05Ko Samui
£771
Find similar
SWISS
1 Apr
USM09:15Ko Samui
29h 35m
2 stops
LCY08:50London City
22 Apr
LCY13:05London City
18h 50m
2 stops
USM13:55Ko Samui
£3,499
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 31 October 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

Wed 11/2

12:25-23:55

3 stops42h 30m

London Gatwick

Wed 18/2

15:45-18:50

3 stops44h 05m

£673

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 17/11

09:35-21:40

2 stops19h 05m

London Heathrow

Mon 24/11

18:40-21:05

2 stops19h 25m

£728

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Wed 11/2

07:15-18:30

1 stop18h 15m

London Gatwick

Wed 18/2

15:45-18:50

3 stops44h 05m

£740

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Mon 17/11

08:15-08:40

2 stops31h 25m

London City

Mon 24/11

19:10-21:05

2 stops18h 55m

£771

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Wed 11/2

17:25-12:05

2 stops25h 40m

London Heathrow

Wed 18/2

13:55-18:15

2 stops45h 20m

£785

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 17/11

13:25-12:35

2 stops30h 10m

London Gatwick

Mon 24/11

09:00-18:15

2 stops26h 15m

£807

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Wed 11/2

13:25-09:05

2 stops26h 40m

London City

Wed 18/2

09:20-18:15

2 stops49h 55m

£836

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 17/11

11:40-17:20

1 stop36h 40m

London Heathrow

Mon 24/11

17:50-19:35

1 stop18h 45m

£867

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 17/11

11:40-17:20

1 stop36h 40m

London Heathrow

Mon 24/11

11:00-17:40

2 stops23h 40m

£1,070

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Wed 1/4

09:15-08:50

2 stops29h 35m

London City

Wed 22/4

13:05-13:55

2 stops18h 50m

£3,499

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 £524. 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 £642.

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 £567. Try not to purchase tickets in the afternoon because they tend to be around £631. 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 1% 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

Direct flights

None
There are no direct flights from Ko Samui to United Kingdom. There are no popular flight routes from Ko Samui to United Kingdom.
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  • 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 £833Free CancellationRating
6.8
7,541 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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