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Cheap flights from Ko Samui to the United Kingdom from ฿13,543

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
5 Jun — 12 Jun1
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 6 May 2026.

Wed 16/914:00
USM
-
LHR
2 stops46h 30m
โอมานแอร์
Wed 7/1020:50
LHR
-
USM
2 stops33h 55m
โอมานแอร์
Deal found 1/5฿32,732
Thu 17/915:30
USM
-
LHR
2 stops21h 25m
Multiple Airlines
Sun 27/921:45
LHR
-
USM
2 stops28h 30m
Multiple Airlines
Deal found 5/5฿34,200
Thu 18/615:30
USM
-
LHR
2 stops21h 25m
Multiple Airlines
Thu 25/620:50
LHR
-
USM
2 stops29h 25m
Multiple Airlines
Deal found 4/5฿35,930
Tue 15/915:25
USM
-
LHR
2 stops21h 30m
กัลฟ์แอร์
Tue 6/1022:05
LHR
-
USM
2 stops36h 25m
กัลฟ์แอร์
Deal found 1/5฿35,995
Fri 19/619:00
USM
-
LHR
2 stops22h 30m
Multiple Airlines
Fri 26/612:30
LHR
-
USM
2 stops22h 20m
Multiple Airlines
Deal found 5/5฿36,158
Sun 26/713:30
USM
-
LHR
2 stops23h 00m
โอมานแอร์
Sun 16/808:25
LHR
-
USM
2 stops20h 40m
โอมานแอร์
Deal found 2/5฿36,843
Sat 20/615:50
USM
-
LGW
2 stops21h 05m
Multiple Airlines
Sat 27/609:00
LGW
-
USM
2 stops43h 30m
Multiple Airlines
Deal found 6/5฿36,843
Fri 19/611:25
USM
-
LGW
2 stops25h 15m
Multiple Airlines
Fri 26/609:00
LGW
-
USM
2 stops20h 05m
Multiple Airlines
Deal found 5/5฿37,137
Tue 23/615:30
USM
-
LHR
2 stops21h 25m
Multiple Airlines
Tue 7/721:45
LHR
-
USM
2 stops27h 45m
Multiple Airlines
Deal found 3/5฿37,235
Sun 13/913:30
USM
-
LHR
2 stops31h 50m
Multiple Airlines
Thu 1/1014:45
LHR
-
USM
2 stops24h 50m
Multiple Airlines
Deal found 3/5฿37,561
Thu 18/611:25
USM
-
LGW
2 stops25h 15m
Qatar Airways
Thu 25/609:00
LGW
-
USM
2 stops19h 30m
Qatar Airways
Deal found 4/5฿39,128
Thu 26/1116:25
USM
-
LGW
2 stops33h 00m
Emirates
Sun 29/1113:35
LGW
-
USM
2 stops24h 30m
Emirates
Deal found 5/5฿39,356

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 6 May 2026.

Round-trip from

฿32,732

One-way from

฿13,543
โอมานแอร์
  • โอมานแอร์
  • 16/9-7/10
  • 4 total stops
  • 80h 25m total
  • Ko Samui to United Kingdom
Search Deals
18/6
  • 18/6
  • 3 total stops
  • 44h 20m 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 6 May 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

Thu 17/9

15:50-15:20

2 stops29h 30m

London Heathrow

Sun 27/9

21:45-08:15

2 stops28h 30m

฿34,429

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 15/9

15:25-06:55

2 stops21h 30m

London Heathrow

Tue 6/10

22:05-16:30

2 stops36h 25m

฿35,995

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 26/7

13:30-06:30

2 stops23h 00m

London Heathrow

Sun 16/8

08:25-11:05

2 stops20h 40m

฿36,843

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 13/9

16:25-07:20

2 stops20h 55m

London Gatwick

Wed 30/9

14:35-21:10

2 stops24h 35m

฿39,519

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 13/9

14:30-07:20

2 stops22h 50m

London Gatwick

Tue 29/9

21:45-21:35

2 stops17h 50m

฿40,400

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 13/9

14:30-07:20

2 stops22h 50m

London Gatwick

Mon 28/9

21:45-21:35

2 stops17h 50m

฿40,400

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 13/9

14:30-07:20

2 stops22h 50m

London Gatwick

Sun 27/9

21:45-21:35

2 stops17h 50m

฿40,400

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Wed 3/6

16:25-07:20

2 stops20h 55m

London Gatwick

Wed 10/6

14:35-21:10

2 stops24h 35m

฿40,890

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 13/9

14:30-07:20

2 stops22h 50m

London Gatwick

Sat 3/10

21:45-21:35

2 stops17h 50m

฿41,021

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Fri 19/6

07:50-05:55

1 stop28h 05m

London Gatwick

Fri 26/6

09:00-20:50

2 stops29h 50m

฿41,477

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 46 resultsSorted by cheapest first
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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.

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 6 May 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
1,445 reviews
Check prices

Crew

8.6

Food

8.1

Entertainment

8.0

Overall

8.5

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
EVA Air
8.5
Very Good
1,445 reviews
EVA Air
8.5
Very Good
1,445 reviews
Check prices

Crew

8.6

Food

8.1

Entertainment

8.0

Overall

8.5

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..

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 สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ can get you from Ko Samui to United Kingdom in just under 20h 55m. Your travel time can differ by up to 1h 05m. There are 9878 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

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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.
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 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿36,558Average฿41,689FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

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

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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.

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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!

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