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Cheap flights from London Stansted Airport to Ko Samui from £325

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
STN — USM
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 12 December 2025.

Mon 29/1223:20STN - USM
3 stops36h 30mMultiple Airlines
Mon 12/108:55USM - STN
3 stops36h 10mMultiple Airlines
Deal found 11/12£944
Thu 11/1213:30STN - USM
3 stops24h 50mMultiple Airlines
Fri 9/108:55USM - STN
3 stops41h 50mMultiple Airlines
Deal found 10/12£969
Fri 26/1214:05STN - USM
2 stops24h 00mMultiple Airlines
Mon 26/121:10USM - STN
2 stops21h 55mMultiple Airlines
Deal found 10/12£1,589
Sun 28/1214:05STN - USM
2 stops21h 10mMultiple Airlines
Wed 28/120:40USM - STN
2 stops22h 25mMultiple Airlines
Deal found 10/12£1,674
Thu 11/1220:15STN - USM
2 stops29h 25mEmirates
Wed 24/1217:25USM - STN
2 stops25h 40mEmirates
Deal found 11/12£1,727
Thu 25/1214:05STN - USM
2 stops21h 10mMultiple Airlines
Thu 8/119:35USM - STN
2 stops29h 20mMultiple Airlines
Deal found 10/12£1,733
Sat 27/1220:15STN - USM
2 stops39h 00mMultiple Airlines
Wed 7/120:40USM - STN
2 stops22h 25mMultiple Airlines
Deal found 10/12£1,899
Mon 22/1214:05STN - USM
2 stops21h 10mMultiple Airlines
Wed 7/119:35USM - STN
2 stops23h 30mMultiple Airlines
Deal found 10/12£1,939

Find 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 12 December 2025.

Round-trip from

£771

One-way from

£325

Popular in

December

Cheapest in

May

Average price

£1,174
2/2-19/2
  • 2/2-19/2
  • 6 total stops
  • 65h 25m total
  • London to Ko Samui
Search Deals
30/1
  • 30/1
  • 3 total stops
  • 26h 45m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 12 December 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

Fri 9/1

19:40-08:00

2 stops29h 20m

Ko Samui

Fri 16/1

08:15-10:35

3 stops33h 20m

£818

LondonKo Samui

STN - USM

STNUSM

London Stansted

Thu 4/6

21:10-12:45

2 stops33h 35m

Ko Samui

Mon 8/6

17:50-12:55

2 stops25h 05m

£886

LondonKo Samui

STN - USM

STNUSM

London Stansted

Thu 12/3

20:15-08:10

2 stops28h 55m

Ko Samui

Wed 25/3

17:40-12:05

2 stops25h 25m

£924

LondonKo Samui

STN - USM

STNUSM

London Stansted

Tue 17/3

14:05-17:00

2 stops19h 55m

Ko Samui

Thu 26/3

16:25-12:05

2 stops26h 40m

£927

LondonKo Samui

STN - USM

STNUSM

London Stansted

Fri 13/3

20:15-10:35

2 stops31h 20m

Ko Samui

Wed 25/3

14:30-12:05

2 stops28h 35m

£941

LondonKo Samui

STN - USM

STNUSM

London Stansted

Thu 23/4

14:55-16:55

2 stops20h 00m

Ko Samui

Sun 10/5

17:50-12:55

2 stops25h 05m

£951

LondonKo Samui

STN - USM

STNUSM

London Stansted

Thu 19/3

14:05-17:00

2 stops19h 55m

Ko Samui

Sun 29/3

08:45-12:55

2 stops34h 10m

£951

LondonKo Samui

STN - USM

STNUSM

London Stansted

Wed 18/3

20:15-08:10

2 stops28h 55m

Ko Samui

Mon 30/3

08:45-12:55

2 stops34h 10m

£956

LondonKo Samui

STN - USM

STNUSM

London Stansted

Fri 16/1

07:30-08:40

2 stops18h 10m

Ko Samui

Fri 30/1

18:15-23:10

3 stops35h 55m

£960

LondonKo Samui

STN - USM

STNUSM

London Stansted

Fri 30/1

07:45-17:30

3 stops26h 45m

£325

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 19 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.

Cheapflights Insights

Everything you need to know about your flight from London Stansted Airport to Ko Samui

How often are flights from London to Ko Samui delayed?

About 33% of weekly flights between London and Ko Samui have experienced delays in the past year, with the average delay time being 59 minutes.

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

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

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

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

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

Over the past year, Atlas Air have had the lowest number of delays on this route, with just 50% of flights being delayed.

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 33h 35m. 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.

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

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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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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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