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Cheap flights from Ko Samui to the United Kingdom from ฿19,363

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
5 May — 12 May1
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 30 April 2025.

Round-trip from

฿31,548

One-way from

฿19,363

Popular in

January

Cheapest in

October

Average price

฿44,068
11/6-30/6
  • 11/6-30/6
  • 4 total stops
  • 56h 55m total
  • Ko Samui to United Kingdom
Search Deals
30/5
  • 30/5
  • 1 total stop
  • 16h 25m total
  • Ko Samui to United Kingdom
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (฿300,141 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (฿93,930 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 30 April 2025.

Sun 8/607:00USM - LHR
1 stop18h 10mMultiple Airlines
Mon 30/622:00LHR - USM
3 stops40h 30mMultiple Airlines
Deal found 28/4฿34,820
Tue 10/612:15USM - LGW
2 stops33h 45mMultiple Airlines
Fri 4/709:10LGW - USM
3 stops29h 20mMultiple Airlines
Deal found 28/4฿37,491
Wed 11/608:00USM - LHR
1 stop17h 20mEVA Air
Thu 3/721:35LHR - USM
1 stop17h 15mEVA Air
Deal found 28/4฿38,159
Sun 8/609:30USM - LHR
2 stops18h 15mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Wed 2/706:00LHR - USM
2 stops25h 45mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 28/4฿38,292
Sun 8/609:30USM - LCY
2 stops28h 05mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Wed 2/713:05LCY - USM
2 stops18h 40mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 28/4฿39,093
Thu 12/613:30USM - LHR
2 stops25h 10mลุฟท์ฮันซ่า
Thu 3/707:25LHR - USM
2 stops28h 20mลุฟท์ฮันซ่า
Deal found 28/4฿39,561
Mon 8/912:10USM - LGW
2 stops24h 30mQatar Airways
Fri 10/1009:00LGW - USM
2 stops23h 40mQatar Airways
Deal found 28/4฿40,028
Mon 8/916:25USM - LGW
2 stops20h 55mEmirates
Sun 12/1014:30LGW - USM
2 stops24h 40mEmirates
Deal found 28/4฿40,696
Sun 14/913:30USM - LHR
1 stop23h 05mแควนตัสแอร์เวย์
Sun 19/1020:50LHR - USM
1 stop39h 25mแควนตัสแอร์เวย์
Deal found 28/4฿41,831
Tue 10/613:50USM - LGW
2 stops23h 05mกัลฟ์แอร์
Wed 2/711:25LGW - USM
2 stops24h 20mกัลฟ์แอร์
Deal found 28/4฿42,465
Mon 15/917:55USM - LHR
2 stops18h 30mQatar Airways
Sun 19/1016:00LHR - USM
2 stops17h 45mQatar Airways
Deal found 28/4฿43,967
Sun 14/914:00USM - LHR
2 stops23h 05mEmirates
Fri 17/1009:05LHR - USM
2 stops21h 40mEmirates
Deal found 28/4฿44,635

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 30 April 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

Sun 8/6

07:00-19:10

1 stop18h 10m

London Heathrow

Mon 30/6

22:00-20:30

3 stops40h 30m

฿34,820

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 10/6

12:15-16:00

2 stops33h 45m

London Gatwick

Fri 4/7

09:10-20:30

3 stops29h 20m

฿37,491

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Wed 11/6

08:00-19:20

1 stop17h 20m

London Heathrow

Thu 3/7

21:35-20:50

1 stop17h 15m

฿38,159

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 8/6

09:30-21:45

2 stops18h 15m

London Heathrow

Wed 2/7

06:00-13:45

2 stops25h 45m

฿38,292

Ko SamuiLondon

USM - LCY

USMLCY

Ko Samui

Sun 8/6

09:30-07:35

2 stops28h 05m

London City

Wed 2/7

13:05-13:45

2 stops18h 40m

฿39,093

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 12/6

13:30-08:40

2 stops25h 10m

London Heathrow

Thu 3/7

07:25-17:45

2 stops28h 20m

฿39,561

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 8/9

12:10-06:40

2 stops24h 30m

London Gatwick

Fri 10/10

09:00-14:40

2 stops23h 40m

฿40,028

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 8/9

16:25-07:20

2 stops20h 55m

London Gatwick

Sun 12/10

14:30-21:10

2 stops24h 40m

฿40,696

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 14/9

13:30-06:35

1 stop23h 05m

London Heathrow

Sun 19/10

20:50-18:15

1 stop39h 25m

฿41,831

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 10/6

13:50-06:55

2 stops23h 05m

London Gatwick

Wed 2/7

11:25-17:45

2 stops24h 20m

฿42,465

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 34 results
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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 30 April 2025.
Read reviews from past customers who have flown EVA Air, Singapore Airlines and Emirates 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
1,186 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very Good
1,186 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Singapore Airlines
8.1
Very Good
1,292 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Emirates
8.0
Very Good
3,215 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
7.8
Good
1,333 reviews
EVA Air
8.4
Very Good
1,186 reviews
Check prices

Boarding

8.4

Food

8.1

Entertainment

8.0

Overall

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

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 (฿19,396), Thai Airways (฿19,964), and EVA Air (฿20,031).

  • 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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Phuket City to Frankfurt flights
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