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Cheap flights from London City Airport to Ko Samui from £400

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — USM
15 Feb — 22 Feb1
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 16 January 2026.

Round-trip from

£742

One-way from

£400

Popular in

December

Cheapest in

May

Average price

£873
Lufthansa
  • Lufthansa
  • 6/6-11/6
  • 4 total stops
  • 40h 45m total
  • London to Ko Samui
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19/2
  • 19/2
  • 3 total stops
  • 31h 10m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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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 16 January 2026.

Sat 6/612:15
LCY
-
USM
2 stops18h 30m
Multiple Airlines
Thu 11/616:25
USM
-
LCY
2 stops22h 15m
Multiple Airlines
Deal found 16/1£742
Mon 25/509:45
LCY
-
USM
2 stops21h 00m
SWISS
Sun 28/609:15
USM
-
LCY
2 stops28h 10m
SWISS
Deal found 15/1£763
Fri 13/308:25
LCY
-
USM
2 stops29h 00m
Multiple Airlines
Sat 21/307:55
USM
-
LCY
2 stops39h 15m
Multiple Airlines
Deal found 15/1£789
Sun 30/819:15
LCY
-
USM
2 stops19h 55m
SWISS
Sun 13/909:15
USM
-
LCY
2 stops28h 10m
SWISS
Deal found 15/1£790
Mon 9/308:25
LCY
-
USM
2 stops29h 55m
Multiple Airlines
Mon 23/308:30
USM
-
LCY
2 stops33h 25m
Multiple Airlines
Deal found 14/1£790
Sat 5/912:15
LCY
-
USM
2 stops19h 30m
SWISS
Wed 16/909:15
USM
-
LCY
2 stops29h 25m
SWISS
Deal found 15/1£796
Thu 5/1119:05
LCY
-
USM
2 stops19h 00m
SWISS
Fri 13/1109:20
USM
-
LCY
2 stops29h 35m
SWISS
Deal found 15/1£813
Fri 13/308:25
LCY
-
USM
2 stops29h 00m
Multiple Airlines
Fri 20/307:15
USM
-
LCY
2 stops34h 40m
Multiple Airlines
Deal found 15/1£814
Sun 1/1119:05
LCY
-
USM
2 stops19h 00m
SWISS
Tue 10/1110:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 15/1£830
Wed 4/319:10
LCY
-
USM
2 stops18h 55m
SWISS
Wed 18/310:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 14/1£858
Mon 9/319:10
LCY
-
USM
2 stops18h 55m
SWISS
Mon 23/310:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 14/1£858
Fri 28/813:10
LCY
-
USM
2 stops18h 35m
SWISS
Sun 13/908:45
USM
-
LCY
2 stops28h 40m
SWISS
Deal found 15/1£862

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 16 January 2026.
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 10/3

19:10-21:05

2 stops18h 55m

Ko Samui

Tue 24/3

10:00-08:45

2 stops29h 45m

£858

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 26/5

13:10-12:45

2 stops17h 35m

Ko Samui

Fri 26/6

16:25-08:25

2 stops22h 00m

£867

LondonKo Samui

LCY - USM

LCYUSM

London City

Fri 22/5

13:10-13:45

2 stops18h 35m

Ko Samui

Fri 29/5

10:05-08:25

2 stops28h 20m

£940

LondonKo Samui

LCY - USM

LCYUSM

London City

Sat 21/3

12:15-15:35

2 stops20h 20m

Ko Samui

Tue 31/3

09:15-08:40

2 stops29h 25m

£986

LondonKo Samui

LCY - USM

LCYUSM

London City

Sat 14/3

12:15-15:35

2 stops20h 20m

Ko Samui

Sun 22/3

10:00-08:40

2 stops29h 40m

£1,025

LondonKo Samui

LCY - USM

LCYUSM

London City

Thu 12/3

19:10-21:05

2 stops18h 55m

Ko Samui

Sun 22/3

10:00-08:40

2 stops29h 40m

£1,033

LondonKo Samui

LCY - USM

LCYUSM

London City

Fri 13/3

19:20-21:05

2 stops18h 45m

Ko Samui

Sun 22/3

10:00-08:40

2 stops29h 40m

£1,033

LondonKo Samui

LCY - USM

LCYUSM

London City

Fri 10/4

13:10-13:45

2 stops18h 35m

Ko Samui

Sun 7/6

09:15-07:25

2 stops28h 10m

£1,039

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 11/3

17:40-21:05

2 stops20h 25m

Ko Samui

Tue 14/4

13:30-08:40

2 stops25h 10m

£1,063

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 17/3

17:05-21:05

2 stops21h 00m

Ko Samui

Thu 26/3

16:25-09:30

2 stops24h 05m

£1,100

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 19 results
1
2

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 18h 55m. 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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Alternative routes for London City to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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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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