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Cheap flights from Ko Samui to the United Kingdom from ฿12,354

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
17 Jun — 24 Jun1
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 June 2025.

Round-trip from

฿37,323

One-way from

฿12,354

Popular in

January

Cheapest in

October

Average price

฿33,411
24/7-31/7
  • 24/7-31/7
  • 4 total stops
  • 52h 50m total
  • Ko Samui to United Kingdom
Search Deals
8/8
  • 8/8
  • 2 total stops
  • 31h 15m total
  • Ko Samui to United Kingdom
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (฿274,290 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (฿98,093 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 2025.

Thu 24/708:45USM - LGW
2 stops27h 55mMultiple Airlines
Thu 31/711:35LGW - USM
2 stops24h 55mMultiple Airlines
Deal found 10/6฿37,323
Sat 2/821:00USM - LHR
2 stops21h 25mMultiple Airlines
Sat 16/822:15LHR - USM
2 stops27h 20mMultiple Airlines
Deal found 11/6฿39,540
Tue 26/816:25USM - LHR
1 stop20h 10mแควนตัสแอร์เวย์
Wed 10/920:50LHR - USM
1 stop18h 20mแควนตัสแอร์เวย์
Deal found 11/6฿44,755
Mon 25/812:10USM - LGW
2 stops24h 30mQatar Airways
Thu 11/909:00LGW - USM
2 stops19h 30mQatar Airways
Deal found 11/6฿44,885
Mon 25/812:05USM - LCY
2 stops26h 45mMultiple Airlines
Tue 9/913:05LCY - USM
2 stops18h 40mMultiple Airlines
Deal found 11/6฿45,831
Mon 25/812:10USM - LHR
2 stops24h 15mQatar Airways
Thu 11/909:00LHR - USM
2 stops19h 30mQatar Airways
Deal found 11/6฿46,287
Mon 25/809:15USM - LHR
2 stops28h 40mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Fri 12/908:40LHR - USM
2 stops23h 05mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 11/6฿46,515
Mon 25/809:15USM - LCY
2 stops29h 35mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Wed 10/909:25LCY - USM
2 stops22h 20mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 11/6฿47,330
Sat 2/808:45USM - LHR
1 stop16h 35mEVA Air
Sat 16/821:35LHR - USM
1 stop17h 15mEVA Air
Deal found 11/6฿47,591
Fri 22/810:55USM - LHR
1 stop24h 45mCathay Pacific
Tue 9/918:20LHR - USM
1 stop18h 15mCathay Pacific
Deal found 11/6฿49,612
Wed 27/817:50USM - LGW
2 stops24h 45mEmirates
Fri 12/914:30LGW - USM
2 stops20h 25mEmirates
Deal found 11/6฿51,535
Tue 26/816:25USM - LHR
2 stops23h 30mลุฟท์ฮันซ่า
Sat 6/917:30LHR - USM
2 stops21h 40mลุฟท์ฮันซ่า
Deal found 11/6฿53,328

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 June 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

Thu 24/7

08:45-06:40

2 stops27h 55m

London Gatwick

Thu 31/7

11:35-18:30

2 stops24h 55m

฿37,323

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sat 2/8

21:00-12:25

2 stops21h 25m

London Heathrow

Sat 16/8

22:15-07:35

2 stops27h 20m

฿39,540

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 26/8

16:25-06:35

1 stop20h 10m

London Heathrow

Wed 10/9

20:50-21:10

1 stop18h 20m

฿44,755

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 25/8

12:10-06:40

2 stops24h 30m

London Gatwick

Thu 11/9

09:00-10:30

2 stops19h 30m

฿44,885

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Mon 25/8

12:05-08:50

2 stops26h 45m

London City

Tue 9/9

13:05-13:45

2 stops18h 40m

฿45,831

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 25/8

12:10-06:25

2 stops24h 15m

London Heathrow

Thu 11/9

09:00-10:30

2 stops19h 30m

฿46,287

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 25/8

09:15-07:55

2 stops28h 40m

London Heathrow

Fri 12/9

08:40-13:45

2 stops23h 05m

฿46,515

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Mon 25/8

09:15-08:50

2 stops29h 35m

London City

Wed 10/9

09:25-13:45

2 stops22h 20m

฿47,330

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sat 2/8

08:45-19:20

1 stop16h 35m

London Heathrow

Sat 16/8

21:35-20:50

1 stop17h 15m

฿47,591

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Fri 22/8

10:55-05:40

1 stop24h 45m

London Heathrow

Sun 7/9

18:20-18:35

1 stop18h 15m

฿49,612

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 34 results
1
2
3
4

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

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 June 2025.
Read reviews from past customers who have flown EVA Air, Emirates and Singapore Airlines from Ko Samui to United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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
1,202 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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
3,264 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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
1,302 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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
1,358 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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
335 reviews
EVA Air
8.4
Very Good
1,202 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.4

Boarding

8.4

Crew

8.6

Entertainment

8.0

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 Emirates (฿18,808), Qatar Airways (฿19,428), and EVA Air (฿19,590).

  • 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 City 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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