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Cheap flights from Ko Samui to the United Kingdom from ฿13,955

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to United Kingdom

Enter your travel dates to find the best prices.

Cheapest flights from Ko Samui to United Kingdom
Explore the most affordable flight options available from Ko Samui to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 June 2026.

Thu 29/1007:00
USM
-
LGW
1 stop22h 25m
Multiple Airlines
Sat 28/1112:00
LGW
-
USM
1 stop16h 30m
Multiple Airlines
Deal found 12/6฿24,904
Thu 29/1007:00
USM
-
LGW
1 stop22h 25m
Multiple Airlines
Wed 25/1120:00
LGW
-
USM
1 stop28h 10m
Multiple Airlines
Deal found 12/6฿25,362
Wed 28/1007:00
USM
-
LGW
1 stop18h 05m
Multiple Airlines
Wed 25/1120:00
LGW
-
USM
1 stop28h 10m
Multiple Airlines
Deal found 12/6฿25,819
Wed 28/1007:00
USM
-
LGW
1 stop18h 05m
Multiple Airlines
Sat 28/1112:00
LGW
-
USM
1 stop14h 20m
Multiple Airlines
Deal found 12/6฿26,048
Thu 29/1007:00
USM
-
LGW
1 stop22h 25m
Multiple Airlines
Tue 24/1115:40
LGW
-
USM
1 stop17h 45m
Multiple Airlines
Deal found 12/6฿26,081
Mon 26/1007:00
USM
-
LGW
1 stop37h 45m
Multiple Airlines
Sat 28/1112:00
LGW
-
USM
1 stop15h 35m
Multiple Airlines
Deal found 12/6฿26,179
Thu 29/1007:00
USM
-
LGW
1 stop22h 25m
Multiple Airlines
Mon 23/1111:20
LGW
-
USM
1 stop14h 20m
Multiple Airlines
Deal found 12/6฿26,440
Mon 26/1007:00
USM
-
LGW
1 stop37h 45m
Multiple Airlines
Wed 25/1120:00
LGW
-
USM
1 stop14h 40m
Multiple Airlines
Deal found 12/6฿26,734
Wed 28/1007:00
USM
-
LGW
1 stop18h 05m
Multiple Airlines
Tue 24/1115:40
LGW
-
USM
1 stop17h 45m
Multiple Airlines
Deal found 12/6฿27,225
Wed 28/1007:00
USM
-
LGW
1 stop18h 05m
Multiple Airlines
Mon 23/1111:20
LGW
-
USM
1 stop14h 20m
Multiple Airlines
Deal found 12/6฿27,551
Tue 15/915:20
USM
-
LHR
2 stops33h 50m
โอมานแอร์
Tue 6/1020:50
LHR
-
USM
2 stops37h 40m
โอมานแอร์
Deal found 11/6฿31,441
Tue 29/906:00
USM
-
LHR
2 stops19h 10m
Multiple Airlines
Wed 30/920:50
LHR
-
USM
2 stops32h 15m
Multiple Airlines
Deal found 15/6฿32,846

Find flight deals from Ko Samui to United Kingdom

Keep the following information in mind while searching for Ko Samui to United Kingdom flight deals. Data was last updated 15 June 2026.

Round-trip from

฿24,904

One-way from

฿13,955
29/10-28/11
  • 29/10-28/11
  • 2 total stops
  • 38h 55m total
  • Ko Samui to United Kingdom
Search Deals
29/11
  • 29/11
  • 2 total stops
  • 23h 25m total
  • Ko Samui to United Kingdom
Search Deals

Cheapflights 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, Cheapflights users made 17,341 searches. Data last updated 15 June 2026.
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

Cheapest return flight

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

15:50-19:10

2 stops33h 20m

London Heathrow

Tue 6/10

20:50-20:50

2 stops18h 00m

฿31,473

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 29/9

06:00-19:10

2 stops19h 10m

London Heathrow

Wed 30/9

20:50-11:05

2 stops32h 15m

฿32,846

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 29/9

17:25-06:55

2 stops19h 30m

London Gatwick

Wed 30/9

10:40-21:10

2 stops28h 30m

฿34,742

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

15:20-06:55

2 stops21h 35m

London Heathrow

Tue 6/10

22:05-17:05

2 stops37h 00m

฿35,984

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Thu 19/11

16:25-06:40

2 stops21h 15m

London Gatwick

Sun 22/11

09:40-21:05

2 stops28h 25m

฿39,056

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 29/6

10:00-06:40

2 stops26h 40m

London Gatwick

Thu 2/7

11:35-08:25

3 stops38h 50m

฿39,088

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Thu 5/11

16:25-11:40

2 stops26h 15m

London Gatwick

Mon 9/11

09:40-21:05

2 stops28h 25m

฿39,317

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 19/11

16:25-11:40

2 stops26h 15m

London Heathrow

Sun 22/11

13:40-21:05

2 stops24h 25m

฿40,167

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 5/11

16:25-11:40

2 stops26h 15m

London Heathrow

Mon 9/11

13:40-21:05

2 stops24h 25m

฿40,428

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Thu 29/10

07:55-19:35

2 stops18h 40m

London City

Wed 25/11

17:50-21:05

2 stops20h 15m

฿41,866

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 51 resultsSorted by cheapest first
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Best time to book a flight from Ko Samui to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Ko Samui with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ko Samui to the United Kingdom
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated 15 June 2026.
Get a feel of what it's like to fly with EVA Air from Ko Samui to the United Kingdom by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,474 reviews
Check prices

Food

8.1

Overall

8.5

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
EVA Air
8.5
Very Good
1,474 reviews
EVA Air
8.5
Very Good
1,474 reviews
Check prices

Food

8.1

Overall

8.5

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ko Samui to United Kingdom?

    Ko Samui (USM), located 3.3 km from the city centre, is the airport you fly out of when you book flights from Ko Samui to United Kingdom.

  • How long is the flight from Ko Samui to United Kingdom?

    โอมานแอร์, กัลฟ์แอร์, and Emirates can get you from Ko Samui to United Kingdom in just under 21h 15m. Your travel time can differ by up to 12h 05m. There are 9878 km between Ko Samui and United Kingdom. This flight may include one or multiple stops.

  • What are the most popular routes from Ko Samui to United Kingdom?

    When deciding which route to take from Ko Samui to United Kingdom, consider Ko Samui - London Heathrow, Ko Samui - London Gatwick or Ko Samui - London City, as they are the most popular.

  • Can I find deals for flights from Ko Samui to United Kingdom that include hotel bookings?

    Yes. In addition to deals on Ko Samui to United Kingdom flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to United Kingdom?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to United Kingdom.

  • Can I find deals for business class flights from Ko Samui to United Kingdom?

    Yes. Cheapflights offers flight deals from Ko Samui to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ko Samui to United Kingdom

Discover the top airline that operate flights from Ko Samui to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿36,613Average฿41,751FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ko Samui to United Kingdom?

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Why should you use Cheapflights to find cheap flight tickets from Ko Samui to United Kingdom?

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Can Cheapflights find flights from Ko Samui to United Kingdom with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ko Samui to United Kingdom flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ko Samui to United Kingdom become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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