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Cheap flights from London Stansted Airport to Ko Samui from £333

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
STN — USM
1 Nov — 8 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Stansted to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to Ko 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 2 October 2025.

Round-trip from

£662

One-way from

£333

Popular in

December

Cheapest in

May

Average price

£810
12/1-26/2
  • 12/1-26/2
  • 6 total stops
  • 87h 35m total
  • London to Ko Samui
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15/10
  • 15/10
  • 3 total stops
  • 42h 15m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Stansted to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Ko Samui
Explore the most affordable flight options available from Stansted to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 October 2025.

Thu 23/1007:05STN - USM
3 stops28h 55mMultiple Airlines
Mon 24/1118:15USM - STN
3 stops28h 30mMultiple Airlines
Deal found 1/10£667
Sat 25/1007:00STN - USM
3 stops29h 25mMultiple Airlines
Sat 1/1107:55USM - STN
2 stops20h 40mMultiple Airlines
Deal found 1/10£770
Mon 6/1014:55STN - USM
2 stops20h 00mMultiple Airlines
Mon 13/1015:25USM - STN
2 stops27h 30mMultiple Airlines
Deal found 30/9£890
Wed 29/1014:05STN - USM
2 stops20h 25mEmirates
Wed 5/1117:40USM - STN
2 stops25h 25mEmirates
Deal found 1/10£897
Mon 3/1120:15STN - USM
2 stops32h 40mMultiple Airlines
Tue 11/1120:45USM - STN
2 stops22h 20mMultiple Airlines
Deal found 1/10£916
Wed 12/1114:05STN - USM
2 stops18h 30mEmirates
Wed 19/1117:40USM - STN
2 stops25h 25mEmirates
Deal found 29/9£934
Mon 3/1120:15STN - USM
2 stops34h 35mMultiple Airlines
Wed 3/1221:10USM - STN
2 stops21h 55mMultiple Airlines
Deal found 1/10£957
Mon 3/1120:15STN - USM
2 stops32h 40mMultiple Airlines
Mon 1/1221:10USM - STN
2 stops21h 55mMultiple Airlines
Deal found 30/9£960
Fri 19/1208:15STN - USM
2 stops21h 50mMultiple Airlines
Fri 9/116:30USM - STN
3 stops25h 10mMultiple Airlines
Deal found 1/10£980

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted 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 2 October 2025.
Use the filters below to find and compare flights from London Stansted Airport to Ko Samui that are best for you.

Fly from

Stansted

Fly to

Ko Samui

Route

Depart

Return

Price

LondonKo Samui

STN - USM

STNUSM

London Stansted

Mon 12/1

11:55-18:50

3 stops47h 55m

Ko Samui

Thu 26/2

15:05-23:45

3 stops39h 40m

£662

LondonKo Samui

STN - USM

STNUSM

London Stansted

Thu 23/10

07:05-18:00

3 stops28h 55m

Ko Samui

Mon 24/11

18:15-15:45

3 stops28h 30m

£667

LondonKo Samui

STN - USM

STNUSM

London Stansted

Wed 12/11

14:05-15:35

2 stops18h 30m

Ko Samui

Wed 19/11

17:40-12:05

2 stops25h 25m

£934

LondonKo Samui

STN - USM

STNUSM

London Stansted

Mon 3/11

20:15-11:55

2 stops32h 40m

Ko Samui

Tue 2/12

21:10-12:05

2 stops21h 55m

£957

LondonKo Samui

STN - USM

STNUSM

London Stansted

Mon 3/11

20:15-11:55

2 stops32h 40m

Ko Samui

Mon 1/12

21:10-12:05

2 stops21h 55m

£960

LondonKo Samui

STN - USM

STNUSM

London Stansted

Thu 18/12

06:10-13:50

3 stops24h 40m

Ko Samui

Mon 12/1

18:05-13:05

2 stops26h 00m

£995

LondonKo Samui

STN - USM

STNUSM

London Stansted

Mon 17/11

14:05-15:35

2 stops18h 30m

Ko Samui

Mon 24/11

16:25-12:05

2 stops26h 40m

£1,001

LondonKo Samui

STN - USM

STNUSM

London Stansted

Sat 15/11

20:15-08:10

2 stops28h 55m

Ko Samui

Sat 22/11

17:40-12:05

2 stops25h 25m

£1,016

LondonKo Samui

STN - USM

STNUSM

London Stansted

Mon 3/11

14:05-18:15

2 stops21h 10m

Ko Samui

Tue 2/12

17:40-12:05

2 stops25h 25m

£1,026

LondonKo Samui

STN - USM

STNUSM

London Stansted

Mon 3/11

14:05-18:15

2 stops21h 10m

Ko Samui

Wed 3/12

17:40-12:05

2 stops25h 25m

£1,026

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Stansted to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Stansted 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.

Related info for your journey

Find useful and relevant information for your journey from Stansted 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 London Stansted?

    If you book a flight to Ko Samui from London Stansted, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 2.1 mi from the center of Ko Samui. There are 0 flights from London Stansted to Ko Samui per day from 0 different airlines.

  • How long is the flight from London Stansted Airport to Ko Samui?

    Departing from London Stansted Airport to Ko Samui will take you 18h 30m. The distance from London Stansted Airport to Ko Samui is about 6109 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Stansted 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 London Stansted Airport to Ko Samui?

    Currently, August is the cheapest month in which you can book a flight from London Stansted Airport to Ko Samui (average of £1,019). Flying from London Stansted Airport to Ko Samui in December is currently the most expensive (average of £1,668). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Stansted to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Southend to Krabi flights
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Heathrow to Surat Thani 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 Stansted to Ko Samui?

Deals for Stansted to Ko Samui flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Stansted to Ko Samui.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Stansted to Ko Samui, users can toggle the no change fees filter when performing a flight search.

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

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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