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Cheap flights from London City Airport to Ko Samui from £492

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — USM
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 2 February 2026.

Wed 10/613:10
LCY
-
USM
2 stops17h 35m
Multiple Airlines
Thu 18/616:25
USM
-
LCY
2 stops22h 15m
Multiple Airlines
Deal found 1/2£719
Wed 6/509:15
LCY
-
USM
2 stops21h 30m
SWISS
Wed 27/510:05
USM
-
LCY
2 stops28h 35m
SWISS
Deal found 1/2£721
Mon 18/509:15
LCY
-
USM
2 stops21h 30m
SWISS
Mon 25/510:05
USM
-
LCY
2 stops28h 35m
SWISS
Deal found 31/1£724
Tue 10/1119:05
LCY
-
USM
2 stops19h 00m
SWISS
Tue 24/1110:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 31/1£732
Tue 19/513:10
LCY
-
USM
2 stops17h 35m
SWISS
Tue 26/510:05
USM
-
LCY
2 stops28h 35m
SWISS
Deal found 31/1£764
Thu 19/308:25
LCY
-
USM
2 stops26h 25m
Multiple Airlines
Thu 26/307:15
USM
-
LCY
2 stops34h 40m
Multiple Airlines
Deal found 2/2£774
Thu 12/308:25
LCY
-
USM
2 stops25h 35m
Multiple Airlines
Thu 26/307:55
USM
-
LCY
2 stops34h 00m
Multiple Airlines
Deal found 1/2£781
Mon 18/509:15
LCY
-
USM
2 stops21h 30m
SWISS
Sun 24/510:05
USM
-
LCY
2 stops29h 05m
SWISS
Deal found 31/1£782
Thu 24/909:15
LCY
-
USM
2 stops29h 55m
Multiple Airlines
Sun 4/1011:05
USM
-
LCY
2 stops27h 35m
Multiple Airlines
Deal found 31/1£811
Mon 11/509:15
LCY
-
USM
2 stops21h 30m
SWISS
Sun 24/510:05
USM
-
LCY
2 stops29h 05m
SWISS
Deal found 31/1£822
Mon 20/408:00
LCY
-
USM
2 stops23h 45m
SWISS
Sun 7/613:30
USM
-
LCY
2 stops25h 10m
SWISS
Deal found 1/2£835
Sun 29/1120:05
LCY
-
USM
2 stops42h 00m
KLM
Thu 10/1207:00
USM
-
LCY
2 stops31h 15m
KLM
Deal found 31/1£847

Find 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 2 February 2026.

Round-trip from

£719

One-way from

£492

Popular in

December

Cheapest in

May

Average price

£861
Lufthansa
  • Lufthansa
  • 10/6-18/6
  • 4 total stops
  • 39h 50m total
  • London to Ko Samui
Search Deals
10/3
  • 10/3
  • 2 total stops
  • 20h 25m 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 February 2026
Search Deals

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 2 February 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

Thu 11/6

13:10-12:45

2 stops17h 35m

Ko Samui

Tue 16/6

10:05-08:40

2 stops28h 35m

£724

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 18/5

09:15-12:45

2 stops21h 30m

Ko Samui

Tue 26/5

10:05-08:40

2 stops28h 35m

£724

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 18/5

09:15-12:45

2 stops21h 30m

Ko Samui

Mon 25/5

10:05-08:40

2 stops28h 35m

£724

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 19/5

13:10-12:45

2 stops17h 35m

Ko Samui

Tue 26/5

10:05-08:40

2 stops28h 35m

£764

LondonKo Samui

LCY - USM

LCYUSM

London City

Thu 19/3

08:25-17:50

2 stops26h 25m

Ko Samui

Thu 26/3

07:15-10:55

2 stops34h 40m

£774

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 18/5

09:15-12:45

2 stops21h 30m

Ko Samui

Sun 24/5

10:05-09:10

2 stops29h 05m

£782

LondonKo Samui

LCY - USM

LCYUSM

London City

Sun 17/5

13:45-13:45

2 stops18h 00m

Ko Samui

Sun 24/5

08:45-20:15

2 stops17h 30m

£860

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 4/5

13:10-13:45

2 stops18h 35m

Ko Samui

Thu 14/5

10:05-08:40

2 stops28h 35m

£860

LondonKo Samui

LCY - USM

LCYUSM

London City

Sun 10/5

14:20-12:45

2 stops16h 25m

Ko Samui

Mon 25/5

10:05-08:40

2 stops28h 35m

£863

LondonKo Samui

LCY - USM

LCYUSM

London City

Sun 10/5

13:45-13:45

2 stops18h 00m

Ko Samui

Sun 24/5

07:50-20:15

2 stops18h 25m

£884

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 23 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 17h 35m. 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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