Find flights
When to book
Airlines
FAQs

Cheap flights from Ko Samui to the United Kingdom from ฿13,422

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
14 Aug — 21 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 July 2026.

Tue 6/1008:00
USM
-
LGW
2 stops29h 25m
Multiple Airlines
Sat 24/1007:00
LGW
-
USM
3 stops31h 25m
Multiple Airlines
Deal found 14/7฿33,071
Fri 14/815:20
USM
-
LGW
2 stops29h 40m
Multiple Airlines
Fri 4/912:35
LGW
-
USM
2 stops25h 55m
Multiple Airlines
Deal found 14/7฿34,811
Tue 15/915:50
USM
-
LHR
2 stops21h 05m
กัลฟ์แอร์
Tue 6/1010:00
LHR
-
USM
2 stops23h 10m
กัลฟ์แอร์
Deal found 11/7฿35,481
Fri 21/806:00
USM
-
LGW
2 stops30h 30m
Multiple Airlines
Fri 28/812:35
LGW
-
USM
2 stops26h 15m
Multiple Airlines
Deal found 10/7฿35,882
Fri 28/808:30
USM
-
LGW
2 stops28h 05m
Multiple Airlines
Fri 4/912:35
LGW
-
USM
2 stops25h 50m
Multiple Airlines
Deal found 14/7฿37,020
Tue 6/1017:55
USM
-
LHR
2 stops23h 35m
Multiple Airlines
Sat 24/1009:45
LHR
-
USM
2 stops18h 50m
Multiple Airlines
Deal found 14/7฿37,656
Fri 21/806:00
USM
-
LHR
1 stop19h 15m
Multiple Airlines
Fri 28/822:40
LHR
-
USM
2 stops26h 30m
Multiple Airlines
Deal found 10/7฿40,669
Thu 12/1116:25
USM
-
LHR
2 stops21h 45m
Emirates
Mon 16/1113:40
LHR
-
USM
2 stops24h 25m
Emirates
Deal found 13/7฿40,836
Tue 15/909:15
USM
-
LHR
1 stop16h 05m
Multiple Airlines
Tue 6/1022:05
LHR
-
USM
2 stops33h 40m
Multiple Airlines
Deal found 10/7฿41,405
Thu 12/1111:10
USM
-
LGW
2 stops25h 45m
Qatar Airways
Sat 14/1108:40
LGW
-
USM
2 stops22h 10m
Qatar Airways
Deal found 9/7฿43,380
Tue 6/1009:15
USM
-
LCY
2 stops29h 25m
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Sat 24/1012:15
LCY
-
USM
2 stops18h 20m
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 14/7฿60,016
Fri 21/816:25
USM
-
LCY
2 stops22h 00m
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Fri 28/818:05
LCY
-
USM
2 stops21h 05m
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 10/7฿60,552

Find 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 15 July 2026.

Round-trip from

฿33,071

One-way from

฿13,422
6/10-24/10
  • 6/10-24/10
  • 5 total stops
  • 60h 50m total
  • Ko Samui to United Kingdom
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 44h 05m total
  • Ko Samui to United Kingdom
Search Deals

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 15 July 2026.
Use the filters below to find and compare flights from Ko Samui to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

15:50-06:55

2 stops21h 05m

London Heathrow

Tue 6/10

10:00-15:10

2 stops23h 10m

฿35,481

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Fri 21/8

09:15-06:30

3 stops27h 15m

London Gatwick

Fri 28/8

12:35-20:25

2 stops25h 50m

฿38,159

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 12/11

16:25-07:10

2 stops21h 45m

London Heathrow

Mon 16/11

13:40-21:05

2 stops24h 25m

฿40,836

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Fri 21/8

17:55-19:00

2 stops31h 05m

London Heathrow

Fri 28/8

12:30-16:50

2 stops22h 20m

฿41,205

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

09:15-19:20

1 stop16h 05m

London Heathrow

Tue 6/10

22:05-13:45

2 stops33h 40m

฿41,405

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Fri 28/8

18:55-19:20

2 stops30h 25m

London Heathrow

Fri 4/9

21:20-08:25

2 stops29h 05m

฿42,108

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Thu 12/11

11:10-05:55

2 stops25h 45m

London Gatwick

Sat 14/11

08:40-13:50

2 stops22h 10m

฿43,380

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Mon 21/9

14:30-06:30

2 stops22h 00m

London Heathrow

Wed 23/9

09:30-11:55

2 stops20h 25m

฿43,849

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Thu 12/11

18:05-09:00

1 stop21h 55m

London Gatwick

Sat 14/11

09:20-17:10

1 stop24h 50m

฿56,066

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Wed 26/8

16:25-07:20

2 stops20h 55m

London Gatwick

Wed 2/9

10:05-21:10

2 stops29h 05m

฿57,238

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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 15 July 2026.
Get a feel of what it's like to fly with EVA Air 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
8.5
Very Good
1,500 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.5

Entertainment

8.0

Boarding

8.4

Crew

8.7

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
EVA Air
8.5
Very Good
1,500 reviews
EVA Air
8.5
Very Good
1,500 reviews
Check prices

Food

8.1

Comfort

8.3

Overall

8.5

Entertainment

8.0

Boarding

8.4

Crew

8.7

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

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?

    กัลฟ์แอร์, Emirates, and Qatar Airways can get you from Ko Samui to United Kingdom in just under 21h 05m. Your travel time can differ by up to 4h 40m. There are 9888 km between Ko Samui and United Kingdom. This flight may include one or multiple stops.

  • 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 Gatwick or Ko Samui - London City, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ko Samui to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.
Phuket City to Frankfurt flights

Top airline flying from Ko Samui to United Kingdom

Discover the top airline that operate flights from Ko Samui to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 15 July 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿37,498Average฿42,760FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ko Samui to United Kingdom?

Cheapflights helps you search for flights from Ko Samui to United Kingdom via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to United Kingdom?

Cheapflights simply makes it quick and affordable to book flights from Ko Samui to United Kingdom by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ko Samui to United Kingdom with no change fees?

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.

Can Cheapflights notify me if prices for flights from Ko Samui to United Kingdom become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.