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Cheap flights from Ko Samui to the United Kingdom from ฿11,863

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
23 Mar — 30 Mar1
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 18 March 2025.

Round-trip from

฿34,616

One-way from

฿11,863

Popular in

January

Cheapest in

October

Average price

฿55,284
14/4-21/4
  • 14/4-21/4
  • 5 total stops
  • 65h 05m total
  • Ko Samui to United Kingdom
Search Deals
12/5
  • 12/5
  • 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 (฿303,403 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (฿86,478 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 18 March 2025.

Wed 19/311:45USM - LGW
3 stops28h 40mMultiple Airlines
Tue 22/414:40LGW - USM
2 stops35h 10mMultiple Airlines
Deal found 16/3฿33,608
Wed 19/313:25USM - LHR
2 stops25h 40mMultiple Airlines
Tue 22/417:10LHR - USM
2 stops22h 00mMultiple Airlines
Deal found 16/3฿34,145
Wed 10/913:30USM - LHR
1 stop23h 05mแควนตัสแอร์เวย์
Tue 7/1020:50LHR - USM
1 stop18h 20mแควนตัสแอร์เวย์
Deal found 16/3฿40,127
Wed 19/321:30USM - LHR
1 stop28h 50mEVA Air
Tue 22/421:35LHR - USM
1 stop14h 55mEVA Air
Deal found 16/3฿40,295
Wed 10/916:25USM - LHR
2 stops29h 45mEmirates
Sun 5/1009:05LHR - USM
2 stops30h 05mEmirates
Deal found 16/3฿40,430
Wed 19/311:40USM - LGW
2 stops25h 25mQatar Airways
Tue 22/414:55LGW - USM
2 stops41h 00mQatar Airways
Deal found 16/3฿40,430
Mon 28/421:00USM - LHR
2 stops29h 25mQatar Airways
Mon 26/508:05LHR - USM
2 stops23h 50mQatar Airways
Deal found 16/3฿42,749
Mon 14/409:15USM - LCY
2 stops39h 30mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Mon 21/418:05LCY - USM
2 stops36h 40mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 17/3฿47,353
Mon 28/412:45USM - LGW
1 stop23h 40mSingapore Airlines
Mon 26/510:15LGW - USM
1 stop26h 15mSingapore Airlines
Deal found 16/3฿60,662
Sat 12/413:30USM - LCY
2 stops33h 45mลุฟท์ฮันซ่า
Sun 4/517:50LCY - USM
2 stops21h 20mลุฟท์ฮันซ่า
Deal found 17/3฿89,530

Find flights from Ko Samui to United Kingdom within your budget

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 18 March 2025.

Fly from

Ko Samui

Fly to

United Kingdom

Route

Depart

Return

Price

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 14/4

19:25-22:20

2 stops32h 55m

London Gatwick

Mon 21/4

07:25-21:35

3 stops32h 10m

฿34,616

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sat 12/4

08:20-06:55

2 stops28h 35m

London Heathrow

Sun 4/5

10:00-18:15

2 stops26h 15m

฿36,229

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Wed 10/9

13:30-06:35

1 stop23h 05m

London Heathrow

Mon 6/10

20:50-21:10

1 stop18h 20m

฿40,127

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Wed 10/9

16:25-16:10

2 stops29h 45m

London Heathrow

Sun 5/10

09:05-21:10

2 stops30h 05m

฿40,430

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 28/4

21:00-20:25

2 stops29h 25m

London Heathrow

Mon 26/5

08:05-13:55

2 stops23h 50m

฿42,749

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 14/4

09:15-19:20

1 stop16h 05m

London Heathrow

Mon 21/4

21:35-18:30

1 stop14h 55m

฿45,471

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Mon 14/4

09:15-18:45

2 stops39h 30m

London City

Mon 21/4

18:05-12:45

2 stops36h 40m

฿47,353

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 28/4

12:45-06:25

1 stop23h 40m

London Gatwick

Mon 26/5

10:15-18:30

1 stop26h 15m

฿60,662

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Sat 12/4

13:30-17:15

2 stops33h 45m

London City

Sun 4/5

17:50-21:10

2 stops21h 20m

฿89,530

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 12/5

17:55-19:10

2 stops31h 15m

฿11,863

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 27 results
1
2
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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.

Travel insights for flights from Ko Samui to United Kingdom

Get recent, data-driven insights about flights from Ko Samui to United Kingdom including ideal travel times, pricing trends, and more.

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 18 March 2025.
EVA Air
8.4
Very Good
1,178 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air
8.4
Very Good
1,178 reviews
EVA Air
8.4
Very Good
1,178 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Singapore Airlines
8.1
Very Good
1,281 reviews
EVA Air
8.4
Very Good
1,178 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Emirates
8.0
Very Good
3,196 reviews
EVA Air
8.4
Very Good
1,178 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
7.8
Good
1,318 reviews
EVA Air
8.4
Very Good
1,178 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Thai Airways
7.8
Good
316 reviews
EVA Air
8.4
Very Good
1,178 reviews
Check prices

Comfort

8.3

Food

8.1

Entertainment

8.0

Overall

8.4

Crew

8.6

Boarding

8.4

Reviews

1 / 20

6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 Thai Airways (฿18,551), Emirates (฿18,887), and Qatar Airways (฿20,769).

  • 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

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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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