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Cheap flights from London City Airport to Ko Samui from £435

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — USM
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London City to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from London City (LCY) 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 6 November 2025.

Round-trip from

£720

One-way from

£435

Popular in

December

Cheapest in

May

Average price

£828
SWISS
  • SWISS
  • 28/4-12/5
  • 4 total stops
  • 68h 35m total
  • London to Ko Samui
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25/3
  • 25/3
  • 3 total stops
  • 21h 25m 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 (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from London City to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from London City to Ko Samui
Explore the most affordable flight options available from London City to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Wed 12/1113:30LCY - USM
2 stops21h 55mMultiple Airlines
Thu 20/1108:15USM - LCY
2 stops31h 30mMultiple Airlines
Deal found 4/11£730
Tue 9/1217:15LCY - USM
2 stops20h 50mMultiple Airlines
Thu 18/1210:00USM - LCY
2 stops29h 45mMultiple Airlines
Deal found 4/11£745
Mon 17/1117:15LCY - USM
2 stops20h 50mMultiple Airlines
Mon 24/1108:15USM - LCY
2 stops31h 25mMultiple Airlines
Deal found 5/11£761
Wed 3/1218:10LCY - USM
2 stops19h 55mMultiple Airlines
Wed 10/1216:25USM - LCY
2 stops31h 15mMultiple Airlines
Deal found 5/11£764
Tue 18/1119:10LCY - USM
2 stops40h 15mMultiple Airlines
Wed 3/1213:25USM - LCY
2 stops34h 40mMultiple Airlines
Deal found 5/11£798
Thu 20/1119:10LCY - USM
2 stops18h 55mMultiple Airlines
Wed 3/1210:00USM - LCY
2 stops29h 40mMultiple Airlines
Deal found 5/11£821
Fri 21/1109:20LCY - USM
2 stops26h 05mMultiple Airlines
Sat 13/1210:00USM - LCY
2 stops33h 45mMultiple Airlines
Deal found 4/11£829
Tue 11/1119:10LCY - USM
2 stops39h 20mMultiple Airlines
Wed 26/1109:20USM - LCY
2 stops30h 20mMultiple Airlines
Deal found 4/11£840
Fri 21/1119:20LCY - USM
2 stops18h 45mMultiple Airlines
Fri 12/1211:40USM - LCY
2 stops27h 20mMultiple Airlines
Deal found 4/11£843
Sun 30/1119:20LCY - USM
2 stops29h 40mMultiple Airlines
Thu 29/109:20USM - LCY
2 stops30h 25mMultiple Airlines
Deal found 5/11£848

Cheapflights Fare Finder

 
Customise your flight search to find flights from London City 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 6 November 2025.
Use the filters below to find and compare flights from London City Airport to Ko Samui that are best for you.

Fly from

London City

Fly to

Ko Samui

Route

Depart

Return

Price

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 28/4

19:20-21:10

2 stops19h 50m

Ko Samui

Tue 12/5

09:15-18:45

2 stops39h 30m

£733

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 17/11

17:15-21:05

2 stops20h 50m

Ko Samui

Mon 24/11

08:15-08:40

2 stops31h 25m

£761

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 20/1

17:40-17:10

2 stops40h 30m

Ko Samui

Tue 10/2

13:25-17:35

2 stops35h 10m

£762

LondonKo Samui

LCY - USM

LCYUSM

London City

Thu 4/12

19:10-21:05

2 stops18h 55m

Ko Samui

Tue 16/12

08:55-08:45

2 stops30h 50m

£764

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 17/3

13:30-15:35

2 stops19h 05m

Ko Samui

Thu 26/3

10:00-08:45

2 stops29h 45m

£769

LondonKo Samui

LCY - USM

LCYUSM

London City

Fri 1/5

20:10-12:45

2 stops34h 35m

Ko Samui

Wed 13/5

09:15-07:15

2 stops28h 00m

£788

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 21/1

18:10-21:05

2 stops19h 55m

Ko Samui

Tue 27/1

08:55-08:45

2 stops30h 50m

£805

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 4/5

08:10-12:45

2 stops22h 35m

Ko Samui

Fri 15/5

09:15-11:40

2 stops32h 25m

£822

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 4/5

08:10-12:45

2 stops22h 35m

Ko Samui

Fri 15/5

08:00-08:50

2 stops30h 50m

£829

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 17/3

13:30-14:55

2 stops18h 25m

Ko Samui

Mon 30/3

09:15-08:50

2 stops29h 35m

£847

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 24 results
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Best time to book a flight from London City to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from London City 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 London City 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 City?

    For a flight from London City to Ko Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 2.1 mi from the center of the city. Ko Samui is the only Ko Samui airport and it handles 0 inbound flights from London City per day. 0 airlines have flights to Ko Samui from London City on a regular basis.

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

    Airlines like SWISS fly from London City Airport to Ko Samui in about 19h 05m. The time it takes to get you to your destination can typically vary by up to . There are 6123 mi between London City Airport and Ko Samui.

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

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

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

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

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

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

When you search for this flight from London City to Ko Samui, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London City to Ko Samui for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from London City to Ko Samui with no change fees.

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

Not ready to book yet? You can track prices for flights from London City to Ko Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

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