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Cheap flights from Ko Samui to the United Kingdom from ฿10,107

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

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 7 November 2025.

Round-trip from

฿31,910

One-way from

฿10,107

Popular in

January

Cheapest in

June

Average price

฿37,838
ลุฟท์ฮันซ่า
  • ลุฟท์ฮันซ่า
  • 17/11-24/11
  • 4 total stops
  • 44h 55m total
  • Ko Samui to United Kingdom
Search Deals
15/12
  • 15/12
  • 2 total stops
  • 45h 20m total
  • Ko Samui to United Kingdom
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿199,401 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (฿88,628 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 7 November 2025.

Mon 17/1116:25USM - LHR
2 stops24h 20mลุฟท์ฮันซ่า
Mon 24/1117:30LHR - USM
2 stops20h 35mลุฟท์ฮันซ่า
Deal found 5/11฿31,910
Mon 17/1113:25USM - LCY
2 stops35h 15mลุฟท์ฮันซ่า
Mon 24/1109:50LCY - USM
2 stops28h 15mลุฟท์ฮันซ่า
Deal found 5/11฿31,942
Wed 17/1207:15USM - LGW
1 stop18h 15mMultiple Airlines
Wed 31/1216:00LGW - USM
1 stop16h 40mMultiple Airlines
Deal found 5/11฿34,598
Mon 17/1111:40USM - LHR
1 stop34h 20mCathay Pacific
Mon 24/1117:50LHR - USM
1 stop18h 45mCathay Pacific
Deal found 5/11฿36,607
Mon 17/1113:25USM - LGW
2 stops24h 15mEmirates
Mon 24/1113:35LGW - USM
2 stops21h 40mEmirates
Deal found 5/11฿37,125
Mon 22/1208:20USM - LGW
1 stop17h 10mMultiple Airlines
Mon 29/1211:05LGW - USM
2 stops22h 45mMultiple Airlines
Deal found 7/11฿38,486
Wed 17/1221:10USM - LHR
2 stops28h 00mMultiple Airlines
Wed 31/1208:40LHR - USM
3 stops21h 05mMultiple Airlines
Deal found 5/11฿40,073
Mon 22/1218:30USM - LHR
2 stops24h 00mMultiple Airlines
Mon 29/1208:45LHR - USM
2 stops40h 00mMultiple Airlines
Deal found 7/11฿40,818
Mon 17/1119:45USM - LGW
1 stop17h 40mSingapore Airlines
Mon 24/1109:25LGW - USM
1 stop18h 35mSingapore Airlines
Deal found 5/11฿45,127
Wed 17/1208:30USM - LHR
1 stop18h 05mThai Airways
Wed 31/1221:35LHR - USM
1 stop27h 35mThai Airways
Deal found 5/11฿45,645
Mon 22/1209:20USM - LHR
1 stop16h 45mEVA Air
Mon 29/1221:20LHR - USM
1 stop27h 25mEVA Air
Deal found 7/11฿49,824
Wed 17/1216:25USM - LCY
2 stops23h 15mMultiple Airlines
Wed 31/1209:20LCY - USM
2 stops18h 20mMultiple Airlines
Deal found 5/11฿52,740

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 7 November 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 - LHR

USMLHR

Ko Samui

Mon 17/11

16:25-09:45

2 stops24h 20m

London Heathrow

Mon 24/11

17:30-21:05

2 stops20h 35m

฿31,910

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Mon 17/11

13:25-17:40

2 stops35h 15m

London City

Mon 24/11

09:50-21:05

2 stops28h 15m

฿31,942

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Wed 17/12

07:15-18:30

1 stop18h 15m

London Gatwick

Wed 31/12

16:00-15:40

1 stop16h 40m

฿34,598

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 17/11

11:40-15:00

1 stop34h 20m

London Heathrow

Mon 24/11

17:50-19:35

1 stop18h 45m

฿36,607

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 17/11

13:25-06:40

2 stops24h 15m

London Gatwick

Mon 24/11

13:35-18:15

2 stops21h 40m

฿37,125

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 22/12

08:20-18:30

1 stop17h 10m

London Gatwick

Mon 29/12

11:05-16:50

2 stops22h 45m

฿38,486

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Wed 17/12

21:10-18:10

2 stops28h 00m

London Heathrow

Wed 31/12

08:40-12:45

3 stops21h 05m

฿40,073

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 22/12

18:30-11:30

2 stops24h 00m

London Heathrow

Mon 29/12

08:45-07:45

2 stops40h 00m

฿40,818

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 17/11

19:45-06:25

1 stop17h 40m

London Gatwick

Mon 24/11

09:25-11:00

1 stop18h 35m

฿45,127

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Wed 17/12

08:30-19:35

1 stop18h 05m

London Heathrow

Wed 31/12

21:35-08:10

1 stop27h 35m

฿45,645

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 40 results
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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.

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?

    ลุฟท์ฮันซ่า, Cathay Pacific, and Emirates can get you from Ko Samui to United Kingdom in just under 24h 15m. Your travel time can differ by up to 10h 05m. There are 9878 km between Ko Samui and United Kingdom. This flight may include one or multiple stops.

  • 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 เอทิฮัดแอร์เวย์ (฿11,662), สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ (฿17,623), and ลุฟท์ฮันซ่า (฿19,632).

  • 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.

See more FAQs

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Alternative routes for Ko Samui to United Kingdom

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