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Cheap flights from London City Airport to Ko Samui from £447

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — USM
10 Jul — 17 Jul1
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 10 June 2026.

Wed 14/1013:10
LCY
-
USM
2 stops17h 35m
SWISS
Wed 28/1016:25
USM
-
LCY
2 stops23h 15m
SWISS
Deal found 7/6£773
Fri 11/913:10
LCY
-
USM
2 stops18h 35m
SWISS
Fri 25/909:15
USM
-
LCY
2 stops29h 10m
SWISS
Deal found 9/6£780
Tue 13/1013:10
LCY
-
USM
2 stops17h 35m
SWISS
Tue 27/1016:25
USM
-
LCY
2 stops27h 25m
SWISS
Deal found 9/6£781
Mon 30/1118:15
LCY
-
USM
2 stops19h 50m
Lufthansa
Wed 16/1216:25
USM
-
LCY
2 stops23h 50m
Lufthansa
Deal found 8/6£793
Fri 28/813:10
LCY
-
USM
2 stops18h 35m
SWISS
Wed 16/909:15
USM
-
LCY
2 stops29h 25m
SWISS
Deal found 7/6£822
Thu 27/818:00
LCY
-
USM
2 stops21h 10m
SWISS
Sun 13/908:45
USM
-
LCY
2 stops28h 40m
SWISS
Deal found 7/6£831
Sat 29/812:15
LCY
-
USM
2 stops19h 30m
SWISS
Sun 6/910:05
USM
-
LCY
2 stops27h 20m
SWISS
Deal found 7/6£862
Thu 26/1117:50
LCY
-
USM
2 stops20h 15m
KLM
Sun 6/1207:00
USM
-
LCY
2 stops19h 35m
KLM
Deal found 7/6£869
Sat 31/1012:20
LCY
-
USM
2 stops19h 35m
SWISS
Sun 8/1110:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 9/6£899
Mon 26/1019:05
LCY
-
USM
2 stops19h 00m
SWISS
Fri 30/1016:25
USM
-
LCY
2 stops26h 15m
SWISS
Deal found 7/6£917
Thu 22/1013:10
LCY
-
USM
2 stops17h 35m
SWISS
Tue 3/1110:00
USM
-
LCY
2 stops29h 40m
SWISS
Deal found 6/6£918

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 10 June 2026.

Round-trip from

£773

One-way from

£447

Popular in

December

Cheapest in

November

Average price

£821
SWISS
  • SWISS
  • 14/10-28/10
  • 4 total stops
  • 40h 50m total
  • London to Ko Samui
Search Deals
26/9
  • 26/9
  • 3 total stops
  • 30h 35m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£65 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 10 June 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

13:20-14:55

2 stops18h 35m

Ko Samui

Sun 22/11

10:00-08:40

2 stops29h 40m

£862

LondonKo Samui

LCY - USM

LCYUSM

London City

Thu 22/10

13:10-12:45

2 stops17h 35m

Ko Samui

Tue 3/11

10:00-08:40

2 stops29h 40m

£918

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 1/9

13:10-13:45

2 stops18h 35m

Ko Samui

Thu 10/9

09:15-08:40

2 stops29h 25m

£939

LondonKo Samui

LCY - USM

LCYUSM

London City

Thu 20/8

13:10-13:45

2 stops18h 35m

Ko Samui

Sun 6/9

10:05-07:25

2 stops27h 20m

£1,042

LondonKo Samui

LCY - USM

LCYUSM

London City

Wed 24/6

13:10-13:45

2 stops18h 35m

Ko Samui

Tue 7/7

10:05-08:40

2 stops28h 35m

£1,115

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 22/6

13:10-13:45

2 stops18h 35m

Ko Samui

Wed 8/7

10:05-08:40

2 stops28h 35m

£1,160

LondonKo Samui

LCY - USM

LCYUSM

London City

Sat 5/12

10:00-13:05

2 stops20h 05m

Ko Samui

Wed 6/1

09:20-19:35

2 stops17h 15m

£1,304

LondonKo Samui

LCY - USM

LCYUSM

London City

Thu 25/6

13:10-13:45

2 stops18h 35m

Ko Samui

Thu 9/7

10:05-08:40

2 stops28h 35m

£1,338

LondonKo Samui

LCY - USM

LCYUSM

London City

Tue 11/8

07:10-19:40

2 stops30h 30m

Ko Samui

Tue 18/8

11:55-15:30

2 stops33h 35m

£1,438

LondonKo Samui

LCY - USM

LCYUSM

London City

Mon 29/6

07:10-19:40

2 stops30h 30m

Ko Samui

Mon 13/7

11:55-10:45

2 stops28h 50m

£1,497

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 24 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 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
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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