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Cheap flights from the United Kingdom to Koh Samui from £347

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — USM
5 Feb — 12 Feb1
1 adult

Cheap flight deals from United Kingdom to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from United Kingdom (GB0) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 January 2025.

Round-trip from

£810

One-way from

£347

Popular in

December

Cheapest in

September

Average price

£978
14/3-28/3
  • 14/3-28/3
  • 6 total stops
  • 60h 00m total
  • United Kingdom to Koh Samui
Search Deals
13/5
  • 13/5
  • 3 total stops
  • 40h 45m total
  • United Kingdom to Koh Samui
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2025
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Find flight deals from United Kingdom to Koh Samui

Cheapest flights from United Kingdom to Koh Samui
Explore the most affordable flight options available from United Kingdom to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 January 2025.

Fri 14/313:00BHX - USM
3 stops24h 50mMultiple Airlines
Fri 28/315:50USM - BHX
3 stops35h 10mMultiple Airlines
Deal found 30/1£810
Wed 28/514:00LGW - USM
2 stops25h 10mTurkish Airlines
Wed 2/716:25USM - LGW
2 stops26h 35mTurkish Airlines
Deal found 30/1£817
Mon 12/517:50LCY - USM
2 stops21h 20mKLM
Fri 23/510:55USM - LCY
2 stops27h 15mKLM
Deal found 29/1£818
Mon 3/322:05LHR - USM
1 stop26h 55mMultiple Airlines
Wed 12/318:15USM - LHR
2 stops55h 10mMultiple Airlines
Deal found 30/1£818
Thu 8/516:50EDI - USM
2 stops21h 40mMultiple Airlines
Thu 22/519:30USM - EDI
2 stops20h 05mMultiple Airlines
Deal found 30/1£819
Tue 1/407:55GLA - USM
3 stops41h 55mMultiple Airlines
Fri 11/408:45USM - GLA
3 stops36h 25mMultiple Airlines
Deal found 30/1£820
Tue 13/513:05LCY - USM
2 stops17h 40mSWISS
Sun 25/510:05USM - LCY
2 stops27h 30mSWISS
Deal found 29/1£822
Mon 12/521:10STN - USM
2 stops32h 30mEmirates
Wed 21/517:50USM - STN
2 stops25h 05mEmirates
Deal found 29/1£824
Mon 3/321:20LHR - USM
1 stop16h 35mEVA Air
Wed 12/308:30USM - LHR
1 stop17h 50mEVA Air
Deal found 30/1£827
Mon 10/306:00LGW - USM
3 stops21h 40mMultiple Airlines
Thu 20/308:50USM - LGW
3 stops28h 40mMultiple Airlines
Deal found 30/1£828
Mon 12/521:45LGW - USM
2 stops31h 55mEmirates
Wed 21/517:50USM - LGW
2 stops19h 30mEmirates
Deal found 29/1£829
Sun 11/520:55LHR - USM
2 stops18h 40mEtihad Airways
Thu 22/518:55USM - LHR
2 stops26h 20mEtihad Airways
Deal found 29/1£842

Find flights from United Kingdom to Koh Samui within your budget

Customise your flight search to find flights from United Kingdom to Koh 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 31 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BirminghamKoh Samui

BHX - USM

BHXUSM

Birmingham

Fri 14/3

13:00-20:50

3 stops24h 50m

Ko Samui

Fri 28/3

15:50-20:00

3 stops35h 10m

£810

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Wed 28/5

14:00-21:10

2 stops25h 10m

Ko Samui

Wed 2/7

16:25-13:00

2 stops26h 35m

£817

LondonKoh Samui

LCY - USM

LCYUSM

London City

Mon 12/5

17:50-21:10

2 stops21h 20m

Ko Samui

Fri 23/5

10:55-08:10

2 stops27h 15m

£818

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Mon 3/3

22:05-08:00

1 stop26h 55m

Ko Samui

Wed 12/3

18:15-18:25

2 stops55h 10m

£818

EdinburghKoh Samui

EDI - USM

EDIUSM

Edinburgh Turnhouse

Thu 8/5

16:50-20:30

2 stops21h 40m

Ko Samui

Thu 22/5

19:30-09:35

2 stops20h 05m

£819

GlasgowKoh Samui

GLA - USM

GLAUSM

Glasgow Intl

Tue 1/4

07:55-07:50

3 stops41h 55m

Ko Samui

Fri 11/4

08:45-15:10

3 stops36h 25m

£820

LondonKoh Samui

LCY - USM

LCYUSM

London City

Tue 13/5

13:05-12:45

2 stops17h 40m

Ko Samui

Mon 26/5

10:05-07:35

2 stops27h 30m

£822

LondonKoh Samui

STN - USM

STNUSM

London Stansted

Mon 12/5

21:10-11:40

2 stops32h 30m

Ko Samui

Wed 21/5

17:50-12:55

2 stops25h 05m

£824

LondonKoh Samui

LHR - USM

LHRUSM

London Heathrow

Mon 3/3

21:20-20:55

1 stop16h 35m

Ko Samui

Wed 12/3

08:30-19:20

1 stop17h 50m

£827

LondonKoh Samui

LGW - USM

LGWUSM

London Gatwick

Mon 12/5

21:45-11:40

2 stops31h 55m

Ko Samui

Wed 21/5

17:50-07:20

2 stops19h 30m

£829

Flights are sorted by cheapest return flights first.

Deals found on 30/1

Showing 1-10 of 49 results
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Best time to book a flight from United Kingdom to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh 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.

Travel insights for flights from United Kingdom to Koh Samui

Get recent, data-driven insights about flights from United Kingdom to Koh Samui including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from United Kingdom to Koh Samui (average of £1,019). Flying from United Kingdom to Koh Samui in December is currently the most expensive (average of £1,669). 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 Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 January 2025.

When flying from United Kingdom to Koh 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 Koh Samui by month

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

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

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

If weather is an important factor for your trip to Koh 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 Koh Samui

Get insights into the airlines that provide service to Koh 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 Koh Samui. Reviews last updated 31 January 2025.
See what other customers who have flown with EVA Air, Emirates and Singapore Airlines from United Kingdom to Koh 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
1,237 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

Paul,Jan 2025

DPS - TPE

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

EVA Air
8.4
Very Good
1,237 reviews
EVA Air
8.4
Very Good
1,237 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

Paul,Jan 2025

DPS - TPE

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

Emirates
8.1
Very Good
3,331 reviews
EVA Air
8.4
Very Good
1,237 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

Paul,Jan 2025

DPS - TPE

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

Singapore Airlines
8.1
Very Good
1,315 reviews
EVA Air
8.4
Very Good
1,237 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

Paul,Jan 2025

DPS - TPE

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

KLM
7.8
Good
1,335 reviews
EVA Air
8.4
Very Good
1,237 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

Paul,Jan 2025

DPS - TPE

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

Thai Airways
7.8
Good
325 reviews
EVA Air
8.4
Very Good
1,237 reviews
Check prices

Food

8.1

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

Paul,Jan 2025

DPS - TPE

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Koh 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 Koh 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 Koh Samui.

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

    For one-way options, check prices for SWISS. According to our data, you can fly for as low as £473. Users have also found prices from £495 and £592 on Austrian Airlines and Thai Airways, respectively.

  • What are the most popular routes from United Kingdom to Koh 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 Koh Samui.

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

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

  • How can I find direct flights from United Kingdom to Koh 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 Koh Samui.

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

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

    Currently, August is the cheapest month in which you can book a flight from United Kingdom to Koh Samui (average of £1,019). Flying from United Kingdom to Koh Samui in December is currently the most expensive (average of £1,669). 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 Koh Samui

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

Top 10 airlines flying from United Kingdom to Koh Samui

Discover the top 10 airlines that operate flights from United Kingdom to Koh 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 31 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£108Average£131FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
SWISSCheapest£576Average£829FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest£644Average£840FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£659Average£1,091FlexibilityNo cancel feeOn-time75%
Search KLM flights
Etihad AirwaysCheapest£671Average£858FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£709Average£1,117FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Turkish AirlinesCheapest£714Average£814FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest£754Average£921FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
EVA AirCheapest£767Average£889FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
British AirwaysCheapest£783Average£1,111FlexibilityNo 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 Koh Samui?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Koh 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 Koh 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 Koh Samui for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Koh 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 Koh Samui become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to Koh 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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