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Cheap flights from Ko Samui to the United Kingdom from ฿17,917

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 14/8. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
17 Jul — 24 Jul1
1 adult

Cheap 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 12 July 2025.

Round-trip from

฿26,259

One-way from

฿17,917

Popular in

January

Cheapest in

October

Average price

฿38,042
3/11-15/11
  • 3/11-15/11
  • 4 total stops
  • 59h 35m total
  • Ko Samui to United Kingdom
Search Deals
14/8
  • 14/8
  • 2 total stops
  • 25h 25m total
  • Ko Samui to United Kingdom
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (฿271,560 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (฿97,203 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Ko Samui to United Kingdom

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 12 July 2025.

Mon 3/1107:00USM - LGW
2 stops32h 35mMultiple Airlines
Sat 15/1110:30LGW - USM
2 stops27h 00mMultiple Airlines
Deal found 10/7฿26,259
Mon 3/1107:00USM - LHR
2 stops33h 35mMultiple Airlines
Sat 15/1106:00LHR - USM
2 stops21h 50mMultiple Airlines
Deal found 10/7฿26,908
Mon 27/1009:20USM - LHR
2 stops19h 20mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Sat 8/1113:50LHR - USM
2 stops24h 15mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 10/7฿31,258
Mon 27/1016:25USM - LCY
2 stops23h 10mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Sat 8/1112:20LCY - USM
2 stops25h 45mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 10/7฿32,394
Mon 17/1108:15USM - LGW
2 stops34h 25mEmirates
Sat 29/1109:40LGW - USM
2 stops19h 10mEmirates
Deal found 10/7฿33,400
Mon 10/1108:55USM - LGW
1 stop28h 30mSingapore Airlines
Sat 22/1109:20LGW - USM
1 stop26h 10mSingapore Airlines
Deal found 11/7฿35,250
Sun 16/1116:25USM - LGW
2 stops32h 25mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Thu 20/1118:40LGW - USM
2 stops33h 00mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 11/7฿35,802
Mon 3/1119:25USM - LHR
1 stop26h 55mSingapore Airlines
Sat 15/1122:05LHR - USM
1 stop26h 55mSingapore Airlines
Deal found 11/7฿39,178
Mon 6/1016:25USM - LHR
1 stop20h 10mแควนตัสแอร์เวย์
Sat 18/1020:50LHR - USM
1 stop18h 20mแควนตัสแอร์เวย์
Deal found 11/7฿39,502
Sun 14/908:00USM - LHR
1 stop17h 15mThai Airways
Sat 11/1012:30LHR - USM
1 stop26h 20mThai Airways
Deal found 11/7฿39,827
Fri 8/815:25USM - LHR
2 stops21h 00mQatar Airways
Fri 15/811:00LHR - USM
2 stops17h 30mQatar Airways
Deal found 11/7฿40,119
Mon 24/1111:40USM - LCY
2 stops27h 30mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Sat 6/1208:40LCY - USM
2 stops29h 25mเคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Deal found 11/7฿48,201

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 12 July 2025.
Use the filters below to find and compare flights from Ko Samui to the United Kingdom that are best for you.

Fly from

Ko Samui

Fly to

United Kingdom

Route

Depart

Return

Price

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 3/11

07:00-08:35

2 stops32h 35m

London Gatwick

Sat 15/11

10:30-20:30

2 stops27h 00m

฿26,259

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 3/11

07:00-09:35

2 stops33h 35m

London Heathrow

Sat 15/11

06:00-10:50

2 stops21h 50m

฿26,908

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 27/10

09:20-21:40

2 stops19h 20m

London Heathrow

Sat 8/11

13:50-21:05

2 stops24h 15m

฿31,258

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Mon 27/10

16:25-08:35

2 stops23h 10m

London City

Sat 8/11

12:20-21:05

2 stops25h 45m

฿32,394

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 17/11

08:15-11:40

2 stops34h 25m

London Gatwick

Sat 29/11

09:40-11:50

2 stops19h 10m

฿33,400

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 10/11

08:55-06:25

1 stop28h 30m

London Gatwick

Sat 22/11

09:20-18:30

1 stop26h 10m

฿35,250

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 16/11

16:25-17:50

2 stops32h 25m

London Gatwick

Thu 20/11

18:40-10:40

2 stops33h 00m

฿35,802

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 3/11

19:25-15:20

1 stop26h 55m

London Heathrow

Sat 15/11

22:05-08:00

1 stop26h 55m

฿39,178

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 6/10

16:25-06:35

1 stop20h 10m

London Heathrow

Sat 18/10

20:50-21:10

1 stop18h 20m

฿39,502

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 14/9

08:00-19:15

1 stop17h 15m

London Heathrow

Sat 11/10

12:30-20:50

1 stop26h 20m

฿39,827

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 28 results
1
2
3

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 12 July 2025.
Get a feel of what it's like to fly with EVA Air, Emirates, andSingapore Airlines 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
8.4
Very Good
1,215 reviews
Check prices

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,215 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very Good
3,284 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very Good
1,324 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
7.8
Good
1,372 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Thai Airways
7.7
Good
336 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Comfort

8.3

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines to fly from Ko Samui to United Kingdom one-way?

    The cheapet airlines for a one-way flight from Ko Samui to United Kingdom are Qatar Airways (฿18,112), Thai Airways (฿19,605), and เอทิฮัดแอร์เวย์ (฿21,877).

  • 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 City, Ko Samui - London Heathrow or Ko Samui - London Gatwick, 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.

  • What is the cheapest month to book a flight from Ko Samui to United Kingdom?

    Currently, December is the cheapest month in which you can book a flight from Ko Samui to United Kingdom (average of ฿810). Flying from Ko Samui to United Kingdom in July is currently the most expensive (average of ฿1,025). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ko Samui to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
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Why should you use Cheapflights to find cheap flight tickets from Ko Samui to United Kingdom?

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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.

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