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Cheap flights from the United Kingdom to Ko Samui from £298

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — USM
27 May — 3 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Ko Samui
Explore the most affordable flight options available from United Kingdom to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 April 2026.

Sat 30/509:20
MAN
-
USM
2 stops29h 05m
Etihad Airways
Sun 21/608:00
USM
-
MAN
2 stops28h 55m
Etihad Airways
Deal found 24/4£731
Wed 6/520:45
MAN
-
USM
2 stops18h 50m
Etihad Airways
Mon 25/519:00
USM
-
MAN
2 stops29h 35m
Etihad Airways
Deal found 25/4£736
Tue 19/509:20
MAN
-
USM
2 stops25h 35m
Etihad Airways
Mon 1/608:00
USM
-
MAN
2 stops28h 55m
Etihad Airways
Deal found 27/4£745
Thu 30/420:45
MAN
-
USM
2 stops32h 00m
Etihad Airways
Thu 28/520:35
USM
-
MAN
2 stops28h 00m
Etihad Airways
Deal found 27/4£754
Sun 4/1014:45
MAN
-
USM
2 stops20h 20m
Multiple Airlines
Wed 4/1110:00
USM
-
MAN
2 stops32h 55m
Multiple Airlines
Deal found 24/4£755
Tue 9/606:00
BHX
-
USM
3 stops29h 05m
Multiple Airlines
Tue 16/609:15
USM
-
BHX
3 stops34h 25m
Multiple Airlines
Deal found 25/4£755
Wed 9/908:05
MAN
-
USM
2 stops20h 25m
Qatar Airways
Wed 23/917:55
USM
-
MAN
2 stops18h 25m
Qatar Airways
Deal found 26/4£756
Mon 8/609:20
MAN
-
USM
2 stops19h 10m
Etihad Airways
Fri 12/615:20
USM
-
MAN
2 stops21h 35m
Etihad Airways
Deal found 23/4£758
Sun 7/610:00
LHR
-
USM
2 stops22h 45m
Multiple Airlines
Sun 14/617:25
USM
-
LHR
2 stops19h 30m
Multiple Airlines
Deal found 23/4£758
Wed 7/1008:10
LGW
-
USM
2 stops20h 20m
Qatar Airways
Mon 19/1017:55
USM
-
LGW
2 stops18h 45m
Qatar Airways
Deal found 23/4£759
Sat 9/520:45
MAN
-
USM
2 stops18h 50m
Etihad Airways
Sat 23/515:25
USM
-
MAN
2 stops21h 30m
Etihad Airways
Deal found 23/4£760
Thu 7/514:45
LHR
-
USM
2 stops24h 50m
Etihad Airways
Mon 18/521:00
USM
-
LHR
2 stops21h 45m
Etihad Airways
Deal found 25/4£760

Find flight deals from United Kingdom to Ko Samui

Keep the following information in mind while searching for United Kingdom to Ko Samui flight deals. Data was last updated 27 April 2026.

Round-trip from

£731

One-way from

£298

Popular in

December

Cheapest in

November

Average price

£899
Etihad Airways
  • Etihad Airways
  • 30/5-21/6
  • 4 total stops
  • 58h 00m total
  • United Kingdom to Ko Samui
Search Deals
7/6
  • 7/6
  • 3 total stops
  • 55h 10m total
  • United Kingdom to Ko Samui
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Ko Samui 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 858,174 searches. Data last updated 27 April 2026.
Use the filters below to find and compare flights from the United Kingdom to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BirminghamKo Samui

BHX - USM

BHXUSM

Birmingham

Tue 9/6

06:00-17:05

3 stops29h 05m

Ko Samui

Tue 16/6

09:15-13:40

3 stops34h 25m

£755

ManchesterKo Samui

MAN - USM

MANUSM

Manchester

Mon 8/6

09:20-10:30

2 stops19h 10m

Ko Samui

Fri 12/6

15:20-06:55

2 stops21h 35m

£758

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 9/9

10:40-13:45

2 stops21h 05m

Ko Samui

Thu 17/9

14:00-06:55

2 stops22h 55m

£771

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Sun 10/5

21:45-21:35

2 stops17h 50m

Ko Samui

Mon 18/5

17:50-07:00

2 stops19h 10m

£772

BirminghamKo Samui

BHX - USM

BHXUSM

Birmingham

Thu 3/9

17:40-19:40

2 stops20h 00m

Ko Samui

Wed 14/10

09:15-22:10

2 stops18h 55m

£785

Newcastle upon TyneKo Samui

NCL - USM

NCLUSM

Newcastle upon Tyne

Sat 6/6

08:45-21:35

3 stops30h 50m

Ko Samui

Sat 13/6

06:00-10:45

3 stops34h 45m

£803

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Sat 12/9

14:45-14:40

2 stops17h 55m

Ko Samui

Mon 21/9

21:00-15:05

2 stops24h 05m

£810

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Wed 7/10

14:45-15:45

2 stops19h 00m

Ko Samui

Thu 15/10

21:00-12:45

2 stops21h 45m

£818

ManchesterKo Samui

MAN - USM

MANUSM

Manchester

Sun 6/9

08:05-10:30

2 stops20h 25m

Ko Samui

Thu 1/10

14:30-06:20

2 stops21h 50m

£825

ManchesterKo Samui

MAN - USM

MANUSM

Manchester

Mon 31/8

08:05-10:30

2 stops20h 25m

Ko Samui

Fri 2/10

14:30-06:20

2 stops21h 50m

£825

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

Best time to book a flight from United Kingdom to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from United Kingdom 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 the United Kingdom to Ko Samui

How far ahead should I book a flight from United Kingdom to Ko Samui?

To ensure you get the cheapest price possible for a flight from United Kingdom to Ko Samui, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from United Kingdom to Ko Samui?

Currently, October is the cheapest month in which you can book a flight from United Kingdom to Ko Samui (average of £111). Flying from United Kingdom to Ko Samui in December is currently the most expensive (average of £2,054). 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.

How often are flights from the United Kingdom to Ko Samui delayed?

About 10% of weekly flights between United Kingdom and Ko Samui have experienced delays in the past year, with the average delay time being 140 minutes.

What is the most punctual flight time for the United Kingdom to Ko Samui flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on the United Kingdom to Ko Samui flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 4% of flights being delayed.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. 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 Ko Samui. Reviews last updated 27 April 2026.
Check out reviews from past customers who have flown with EVA Air,Singapore Airlines, andThai Airways from the United Kingdom to Ko Samui to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,432 reviews
Check prices

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,432 reviews
EVA Air
8.5
Very Good
1,432 reviews
Check prices

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Singapore Airlines
8.2
Very Good
1,502 reviews
EVA Air
8.5
Very Good
1,432 reviews
Check prices

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Thai Airways
7.9
Good
401 reviews
EVA Air
8.5
Very Good
1,432 reviews
Check prices

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
KLM
7.8
Good
1,508 reviews
EVA Air
8.5
Very Good
1,432 reviews
Check prices

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Qatar Airways
7.4
Good
3,725 reviews
EVA Air
8.5
Very Good
1,432 reviews
Check prices

Crew

8.6

Comfort

8.3

Entertainment

8.0

Boarding

8.4

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Ko Samui. 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 into for flights to Ko Samui from United Kingdom?

    Ko Samui (USM), located 2.1 mi from the city center, is the airport you fly into when you book flights from United Kingdom to Ko Samui.

  • How long is the flight from United Kingdom to Ko Samui?

    Departing from United Kingdom to Ko Samui will take you 20h. United Kingdom and Ko Samui are separated by a distance of 6180 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from United Kingdom to Ko Samui one-way?

    £252 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Qatar Airways and Etihad Airways, with prices starting from £436 and £466, respectively.

  • What are the most popular routes from United Kingdom to Ko Samui?

    Most travelers choose London Heathrow - Ko Samui, London Gatwick - Ko Samui or London Stansted - Ko Samui when deciding on the best route from United Kingdom to Ko Samui.

  • Can I find deals for flights from United Kingdom to Ko Samui that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Ko Samui.

  • Can I find deals for business class flights from United Kingdom to Ko Samui?

    Yes. Cheapflights offers flight deals from United Kingdom to Ko Samui 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 United Kingdom to Ko Samui?

    Currently, October is the cheapest month in which you can book a flight from United Kingdom to Ko Samui (average of £111). Flying from United Kingdom to Ko Samui in December is currently the most expensive (average of £2,054). 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

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Ko Samui flights
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Southampton to Suvarnabhumi flights
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Stansted to Ko Samui flights
Luton to Phuket City flights
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Southend to Suvarnabhumi flights
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Manchester to Ko Samui flights
Newcastle upon Tyne to Don Mueang Intl flights
Gatwick to Chiang Mai flights
London City to Chiang Mai flights
Belfast Intl to Suvarnabhumi flights
Belfast City to Suvarnabhumi flights
Edinburgh to Don Mueang Intl flights
Munich to Suvarnabhumi flights
Aberdeen to Suvarnabhumi flights
Heathrow to Krabi flights
Gatwick to Krabi flights
Inverness to Suvarnabhumi flights
Birmingham to Phuket City flights
Stansted to Krabi flights
Norwich to Suvarnabhumi flights
Geneva to Suvarnabhumi flights
Bristol to Suvarnabhumi flights
Manchester to Krabi flights
Dublin to Suvarnabhumi flights

Top 10 airlines flying from United Kingdom to Ko Samui

Discover the top 10 airlines that operate flights from United Kingdom to Ko Samui. 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 858,174 searches. Data last updated 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£113Average£141FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Air IndiaCheapest£430Average£487FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Austrian AirlinesCheapest£586Average£677FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£597Average£727FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£600Average£721FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapest£607Average£818FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
KLMCheapest£629Average£935FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£675Average£1,368FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£711Average£1,108FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EVA AirCheapest£713Average£828FlexibilityNo 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 United Kingdom to Ko Samui?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Ko Samui for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Ko Samui from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on United Kingdom to Ko Samui flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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