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Cheap flights from London City Airport to Ko Samui from £424

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — USM
2 Sep — 9 Sep1
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 3 August 2026.

Tue 15/909:15
LCY
-
USM
2 stops29h 55m
SWISS
Tue 22/909:15
USM
-
LCY
2 stops33h 20m
SWISS
Deal found 1/8£752
Sun 1/1113:20
LCY
-
USM
2 stops18h 50m
SWISS
Mon 30/1116:25
USM
-
LCY
2 stops27h 25m
SWISS
Deal found 2/8£752
Thu 22/1018:00
LCY
-
USM
2 stops21h 10m
SWISS
Thu 5/1116:25
USM
-
LCY
2 stops23h 15m
SWISS
Deal found 30/7£754
Sun 8/1113:20
LCY
-
USM
2 stops18h 50m
SWISS
Thu 19/1110:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 29/7£760
Mon 21/913:10
LCY
-
USM
2 stops17h 35m
SWISS
Sun 4/1008:45
USM
-
LCY
2 stops28h 40m
SWISS
Deal found 30/7£761
Thu 17/909:15
LCY
-
USM
2 stops29h 35m
Multiple Airlines
Thu 24/908:45
USM
-
LCY
2 stops38h 45m
Multiple Airlines
Deal found 3/8£767
Sun 8/1113:20
LCY
-
USM
2 stops18h 50m
SWISS
Tue 10/1110:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 31/7£769
Thu 10/913:10
LCY
-
USM
2 stops18h 35m
SWISS
Sun 20/908:45
USM
-
LCY
2 stops28h 40m
SWISS
Deal found 30/7£776
Tue 27/1009:15
LCY
-
USM
2 stops18h 25m
SWISS
Mon 9/1116:25
USM
-
LCY
2 stops23h 15m
SWISS
Deal found 1/8£778
Wed 16/913:10
LCY
-
USM
2 stops18h 00m
SWISS
Wed 23/909:15
USM
-
LCY
2 stops29h 25m
SWISS
Deal found 2/8£785

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 3 August 2026.

Round-trip from

£752

One-way from

£424

Popular in

December

Cheapest in

November

Average price

£970
SWISS
  • SWISS
  • 15/9-22/9
  • 4 total stops
  • 63h 15m total
  • London to Ko Samui
Search Deals
19/11
  • 19/11
  • 3 total stops
  • 34h 25m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 3 August 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

Sun 8/11

13:20-15:10

2 stops18h 50m

Ko Samui

Thu 19/11

10:00-08:40

2 stops29h 40m

£760

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 21/10

13:10-12:45

2 stops17h 35m

Ko Samui

Mon 26/10

16:25-08:40

2 stops23h 15m

£827

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 9/12

09:15-14:55

2 stops22h 40m

Ko Samui

Tue 22/12

10:00-08:40

2 stops29h 40m

£904

LondonKo Samui

LCY - USM

LCYUSM

London City

Fri 11/9

13:10-13:10

2 stops18h 00m

Ko Samui

Fri 18/9

09:15-08:25

2 stops29h 10m

£905

LondonKo Samui

LCY - USM

LCYUSM

London City

Sun 13/9

14:20-13:45

2 stops17h 25m

Ko Samui

Sun 20/9

08:45-07:25

2 stops28h 40m

£910

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 28/9

13:10-13:10

2 stops18h 00m

Ko Samui

Thu 8/10

09:15-08:40

2 stops29h 25m

£963

LondonKo Samui

LCY - USM

LCYUSM

London City

Sat 26/9

12:15-12:45

2 stops18h 30m

Ko Samui

Wed 30/9

08:45-08:40

2 stops29h 55m

£1,044

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 13/1

09:15-14:55

2 stops22h 40m

Ko Samui

Sun 24/1

10:00-08:40

2 stops29h 40m

£1,045

LondonKo Samui

LCY - USM

LCYUSM

London City

Thu 10/12

10:00-13:05

2 stops20h 05m

Ko Samui

Tue 22/12

09:20-19:35

2 stops17h 15m

£1,050
Fastest return journey

LondonKo Samui

LCY - USM

LCYUSM

London City

Sat 12/9

12:10-13:45

2 stops19h 35m

Ko Samui

Sun 27/9

08:45-20:15

2 stops17h 30m

£1,076

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 23 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 fly from London City Airport to Ko Samui in about 18h 50m. 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
Khanom

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

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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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