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Cheap flights from the United Kingdom to Ko Samui from £279

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — USM
1 May — 8 May1
1 adult

Cheap 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 26 April 2025.

Round-trip from

£703

One-way from

£465

Popular in

December

Cheapest in

September

Average price

£1,041
KLM
  • KLM
  • 28/5-3/7
  • 4 total stops
  • 39h 45m total
  • United Kingdom to Ko Samui
Search Deals
15/8
  • 15/8
  • 3 total stops
  • 30h 15m total
  • United Kingdom to Ko Samui
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from United Kingdom to Ko Samui

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 26 April 2025.

Wed 28/516:55GLA - USM
2 stops19h 20mKLM
Thu 3/708:45USM - GLA
2 stops20h 25mKLM
Deal found 25/4£703
Mon 9/617:35BHX - USM
2 stops18h 40mMultiple Airlines
Mon 23/610:55USM - BHX
2 stops36h 55mMultiple Airlines
Deal found 26/4£711
Sun 1/617:30NCL - USM
2 stops18h 45mKLM
Wed 11/610:55USM - NCL
2 stops27h 55mKLM
Deal found 26/4£720
Wed 3/908:35BHX - USM
2 stops23h 10mSWISS
Mon 15/908:45USM - BHX
2 stops29h 00mSWISS
Deal found 25/4£727
Tue 3/613:45MAN - USM
2 stops22h 30mKLM
Tue 10/610:55USM - MAN
2 stops27h 25mKLM
Deal found 25/4£732
Tue 4/1119:35MAN - USM
2 stops42h 30mMultiple Airlines
Tue 18/1107:55USM - MAN
2 stops19h 05mMultiple Airlines
Deal found 26/4£736
Fri 30/521:35LHR - USM
1 stop18h 00mEVA Air
Tue 3/608:45USM - LHR
1 stop16h 35mEVA Air
Deal found 25/4£737
Mon 10/1110:30LGW - USM
2 stops27h 15mMultiple Airlines
Mon 24/1109:20USM - LGW
2 stops28h 10mMultiple Airlines
Deal found 25/4£740
Fri 30/519:30LHR - USM
2 stops20h 05mMultiple Airlines
Sun 8/608:45USM - LHR
2 stops19h 00mMultiple Airlines
Deal found 25/4£740
Tue 10/617:50LCY - USM
2 stops37h 55mSWISS
Tue 17/610:05USM - LCY
2 stops38h 40mSWISS
Deal found 26/4£742
Thu 11/915:00LHR - USM
2 stops21h 30mAustrian Airlines
Sat 27/919:30USM - LHR
2 stops24h 50mAustrian Airlines
Deal found 25/4£748
Tue 10/617:10LCY - USM
2 stops19h 05mKLM
Tue 17/610:55USM - LCY
2 stops27h 15mKLM
Deal found 26/4£752

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 26 April 2025.
Use the filters below to find and compare flights from the United Kingdom to Ko Samui that are best for you.

Fly from

United Kingdom

Fly to

Ko Samui

Route

Depart

Return

Price

GlasgowKo Samui

GLA - USM

GLAUSM

Glasgow Intl

Wed 28/5

16:55-18:15

2 stops19h 20m

Ko Samui

Thu 3/7

08:45-23:10

2 stops20h 25m

£703

BirminghamKo Samui

BHX - USM

BHXUSM

Birmingham

Mon 9/6

17:35-18:15

2 stops18h 40m

Ko Samui

Mon 23/6

10:55-17:50

2 stops36h 55m

£711

Newcastle upon TyneKo Samui

NCL - USM

NCLUSM

Newcastle upon Tyne

Sun 1/6

17:30-18:15

2 stops18h 45m

Ko Samui

Wed 11/6

10:55-08:50

2 stops27h 55m

£720

BirminghamKo Samui

BHX - USM

BHXUSM

Birmingham

Wed 3/9

08:35-13:45

2 stops23h 10m

Ko Samui

Mon 15/9

08:45-07:45

2 stops29h 00m

£727

ManchesterKo Samui

MAN - USM

MANUSM

Manchester

Tue 3/6

13:45-18:15

2 stops22h 30m

Ko Samui

Tue 10/6

10:55-08:20

2 stops27h 25m

£732

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Fri 30/5

21:35-21:35

1 stop18h 00m

Ko Samui

Tue 3/6

08:45-19:20

1 stop16h 35m

£737

ManchesterKo Samui

MAN - USM

MANUSM

Manchester

Mon 1/9

07:45-20:50

3 stops31h 05m

Ko Samui

Sun 14/9

14:00-16:20

3 stops32h 20m

£739

LondonKo Samui

LHR - USM

LHRUSM

London Heathrow

Fri 30/5

19:30-21:35

2 stops20h 05m

Ko Samui

Sun 8/6

08:45-21:45

2 stops19h 00m

£740

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 10/6

17:50-13:45

2 stops37h 55m

Ko Samui

Tue 17/6

10:05-18:45

2 stops38h 40m

£742

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Wed 4/6

11:35-15:10

2 stops21h 35m

Ko Samui

Tue 10/6

07:00-16:00

3 stops39h 00m

£742

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 49 results
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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

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

Currently, August is the cheapest month in which you can book a flight from United Kingdom to Ko Samui (average of £1,019). Flying from United Kingdom to Ko Samui in December is currently the most expensive (average of £1,621). 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.

What is the cheapest time of day to fly from GB to USM?

Find hourly flight availability from United Kingdom to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 April 2025.

When flying from United Kingdom to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

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 26 April 2025.
See what other customers who have flown with EVA Air, Singapore Airlines and Emirates from United Kingdom to Ko Samui have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

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
1,182 reviews
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

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
1,290 reviews
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

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
3,211 reviews
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
KLM
7.8
Good
1,334 reviews
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Thai Airways
7.7
Good
325 reviews
EVA Air
8.4
Very Good
1,182 reviews
Check prices

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

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 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.

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

    £505 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on Singapore Airlines and SWISS, with prices starting from £568 and £587, 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 City - 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, August is the cheapest month in which you can book a flight from United Kingdom to Ko Samui (average of £1,019). Flying from United Kingdom to Ko Samui in December is currently the most expensive (average of £1,621). 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 the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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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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Gatwick to Suvarnabhumi flights
London City to Suvarnabhumi flights
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London City to Phuket City flights
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Luton to Phuket City flights
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Newcastle upon Tyne to Ko Samui flights
Frankfurt to Suvarnabhumi flights
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Edinburgh to Don Mueang Intl flights
Istanbul 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 26 April 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£539Average£760FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest£602Average£761FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£616Average£959FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£634Average£808FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
LufthansaCheapest£657Average£808FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapest£667Average£799FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Austrian AirlinesCheapest£677Average£872FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Singapore AirlinesCheapest£682Average£1,016FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
EVA AirCheapest£722Average£810FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
British AirwaysCheapest£736Average£1,086FlexibilityNo cancel feeOn-time70%
Search British Airways 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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