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Cheap flights from Ko Samui to the United Kingdom from ฿13,148

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LHR
23 Apr — 30 Apr1
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 24 March 2026.

Thu 7/506:00
USM
-
LHR
2 stops30h 55m
Multiple Airlines
Thu 14/514:40
LHR
-
USM
2 stops24h 55m
Multiple Airlines
Deal found 23/3฿32,135
Tue 5/508:20
USM
-
LGW
2 stops28h 35m
Multiple Airlines
Tue 12/511:35
LGW
-
USM
2 stops22h 55m
Multiple Airlines
Deal found 21/3฿32,396
Mon 4/515:25
USM
-
LHR
2 stops21h 30m
Multiple Airlines
Mon 11/521:20
LHR
-
USM
2 stops28h 55m
Multiple Airlines
Deal found 20/3฿33,505
Tue 5/508:20
USM
-
LHR
2 stops28h 35m
Multiple Airlines
Tue 12/509:30
LHR
-
USM
2 stops19h 15m
Multiple Airlines
Deal found 21/3฿33,864
Sun 3/506:00
USM
-
LHR
2 stops39h 05m
Multiple Airlines
Sun 10/514:40
LHR
-
USM
2 stops24h 55m
Multiple Airlines
Deal found 19/3฿34,647
Sat 4/417:35
USM
-
LHR
2 stops19h 50m
Multiple Airlines
Tue 26/509:30
LHR
-
USM
2 stops29h 20m
Multiple Airlines
Deal found 22/3฿35,952
Sun 5/417:25
USM
-
LHR
2 stops20h 00m
Multiple Airlines
Tue 26/509:30
LHR
-
USM
2 stops29h 20m
Multiple Airlines
Deal found 22/3฿36,474
Thu 19/1116:25
USM
-
LGW
2 stops33h 00m
Emirates
Sun 22/1113:35
LGW
-
USM
2 stops24h 30m
Emirates
Deal found 22/3฿37,583
Sun 5/409:15
USM
-
LHR
2 stops28h 10m
Multiple Airlines
Sun 24/509:30
LHR
-
USM
2 stops26h 15m
Multiple Airlines
Deal found 22/3฿38,072
Fri 12/619:00
USM
-
LGW
2 stops23h 35m
Emirates
Tue 16/614:35
LGW
-
USM
2 stops21h 25m
Emirates
Deal found 19/3฿38,301
Sat 23/506:00
USM
-
LHR
2 stops19h 10m
โอมานแอร์
Sat 6/620:50
LHR
-
USM
2 stops17h 40m
โอมานแอร์
Deal found 21/3฿38,464
Thu 21/517:55
USM
-
LHR
2 stops26h 30m
Emirates
Mon 25/514:25
LHR
-
USM
2 stops20h 30m
Emirates
Deal found 22/3฿38,627

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 24 March 2026.

Round-trip from

฿32,135

One-way from

฿13,148
7/5-14/5
  • 7/5-14/5
  • 4 total stops
  • 55h 50m total
  • Ko Samui to United Kingdom
Search Deals
19/5
  • 19/5
  • 2 total stops
  • 39h 55m 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 24 March 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 - LGW

USMLGW

Ko Samui

Tue 5/5

08:20-06:55

2 stops28h 35m

London Gatwick

Tue 12/5

11:35-16:30

2 stops22h 55m

฿32,396

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Tue 5/5

08:20-06:55

2 stops28h 35m

London Heathrow

Tue 12/5

09:30-10:45

2 stops19h 15m

฿33,864

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 3/5

06:00-15:05

2 stops39h 05m

London Heathrow

Sun 10/5

14:40-21:35

2 stops24h 55m

฿34,647

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sun 5/4

17:25-07:25

2 stops20h 00m

London Heathrow

Tue 26/5

09:30-20:50

2 stops29h 20m

฿36,474

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Fri 12/6

19:00-12:35

2 stops23h 35m

London Gatwick

Tue 16/6

14:35-18:00

2 stops21h 25m

฿38,301

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Sat 23/5

06:00-19:10

2 stops19h 10m

London Heathrow

Sat 6/6

20:50-20:30

2 stops17h 40m

฿38,464

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 21/5

17:55-14:25

2 stops26h 30m

London Heathrow

Mon 25/5

14:25-16:55

2 stops20h 30m

฿38,627

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sat 23/5

19:00-12:35

2 stops23h 35m

London Gatwick

Sat 6/6

10:05-18:00

2 stops25h 55m

฿38,855

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 3/5

08:00-07:20

2 stops29h 20m

London Gatwick

Sun 10/5

23:55-18:00

2 stops36h 05m

฿39,051

Ko SamuiLondon

USM - LHR

USMLHR

Ko Samui

Thu 21/5

08:45-19:20

1 stop16h 35m

London Heathrow

Mon 25/5

21:35-21:35

1 stop18h 00m

฿39,540

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 52 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 24 March 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
1,387 reviews
Check prices

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.5

Boarding

8.4

Food

8.1

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
1,387 reviews
EVA Air
8.5
Very Good
1,387 reviews
Check prices

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.5

Boarding

8.4

Food

8.1

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?

    Emirates, โอมานแอร์, and Qatar Airways can get you from Ko Samui to United Kingdom in just under 19h 10m. Your travel time can differ by up to 5h 15m. 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

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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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest฿36,547Average฿41,676FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

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How does Cheapflights help users find flights from 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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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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