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Cheap flights from London City Airport to Ko Samui from £464

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — USM
20 Apr — 27 Apr1
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 21 March 2026.

Thu 3/1217:05
LCY
-
USM
2 stops21h 00m
KLM
Tue 8/1216:25
USM
-
LCY
2 stops24h 05m
KLM
Deal found 16/3£777
Wed 3/613:10
LCY
-
USM
2 stops18h 35m
SWISS
Wed 17/610:05
USM
-
LCY
2 stops28h 35m
SWISS
Deal found 21/3£787
Mon 7/909:15
LCY
-
USM
2 stops28h 25m
Multiple Airlines
Sun 20/909:15
USM
-
LCY
2 stops28h 10m
Multiple Airlines
Deal found 19/3£804
Fri 4/913:10
LCY
-
USM
2 stops17h 35m
SWISS
Thu 17/909:15
USM
-
LCY
2 stops29h 25m
SWISS
Deal found 20/3£809
Mon 21/909:15
LCY
-
USM
2 stops29h 55m
Multiple Airlines
Sun 27/909:15
USM
-
LCY
2 stops28h 10m
Multiple Airlines
Deal found 19/3£826
Wed 26/818:00
LCY
-
USM
2 stops21h 10m
Multiple Airlines
Tue 22/916:25
USM
-
LCY
2 stops22h 15m
Multiple Airlines
Deal found 17/3£839
Fri 4/910:00
LCY
-
USM
2 stops20h 45m
KLM
Sun 13/908:10
USM
-
LCY
2 stops18h 05m
KLM
Deal found 18/3£841
Tue 1/1219:05
LCY
-
USM
2 stops19h 00m
SWISS
Wed 9/1210:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 16/3£886
Wed 2/1219:05
LCY
-
USM
2 stops19h 00m
Multiple Airlines
Wed 9/1211:40
USM
-
LCY
2 stops28h 35m
Multiple Airlines
Deal found 16/3£899
Wed 20/513:10
LCY
-
USM
2 stops17h 35m
SWISS
Sun 31/509:15
USM
-
LCY
2 stops28h 10m
SWISS
Deal found 17/3£901
Thu 21/513:10
LCY
-
USM
2 stops17h 35m
SWISS
Sun 31/509:15
USM
-
LCY
2 stops28h 10m
SWISS
Deal found 20/3£904

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 21 March 2026.

Round-trip from

£787

One-way from

£464

Popular in

December

Cheapest in

May

Average price

£903
SWISS
  • SWISS
  • 3/6-18/6
  • 4 total stops
  • 47h 10m total
  • London to Ko Samui
Search Deals
SWISS
  • SWISS
  • 15/5
  • 2 total stops
  • 17h 35m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 21 March 2026.
Use the filters below to find and compare flights from London City Airport to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 3/6

13:10-13:45

2 stops18h 35m

Ko Samui

Thu 18/6

10:05-08:40

2 stops28h 35m

£787

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 19/5

13:10-13:45

2 stops18h 35m

Ko Samui

Thu 4/6

10:05-08:40

2 stops28h 35m

£978

LondonKo Samui

LCY - USM

LCYUSM

London City

Sun 16/8

14:20-13:45

2 stops17h 25m

Ko Samui

Tue 1/9

10:05-08:40

2 stops28h 35m

£1,217
Fastest return journey

LondonKo Samui

LCY - USM

LCYUSM

London City

Fri 22/5

13:10-12:45

2 stops17h 35m

Ko Samui

Sun 31/5

09:15-07:25

2 stops28h 10m

£1,312

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 26/5

17:10-19:40

2 stops20h 30m

Ko Samui

Sat 27/6

16:25-13:15

2 stops26h 50m

£1,412

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 15/4

13:10-13:45

2 stops18h 35m

Ko Samui

Mon 11/5

10:05-08:40

2 stops28h 35m

£1,434

LondonKo Samui

LCY - USM

LCYUSM

London City

Sat 30/5

12:10-14:45

2 stops20h 35m

Ko Samui

Sat 27/6

16:25-13:15

2 stops26h 50m

£1,622

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 3/6

17:10-18:15

2 stops19h 05m

Ko Samui

Sat 27/6

16:25-13:15

2 stops26h 50m

£1,702

LondonKo Samui

LCY - USM

LCYUSM

London City

Fri 1/5

10:00-12:45

2 stops20h 45m

Ko Samui

Wed 13/5

11:55-07:55

2 stops26h 00m

£1,706

LondonKo Samui

LCY - USM

LCYUSM

London City

Fri 28/8

10:00-12:45

2 stops20h 45m

Ko Samui

Sat 12/9

16:25-13:15

2 stops26h 50m

£1,831

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 19 resultsSorted by cheapest first
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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 and KLM fly from London City Airport to Ko Samui in about 18h 35m. The time it takes to get you to your destination can typically vary by up to 1h 55m. There are 6123 mi between London City Airport and Ko Samui. Both multi-stop and direct flights can be found to your destination and back.

  • 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
Khanom

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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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