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 23h 05m. 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.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

What is the cheapest time of day to fly from LCY to USM?

When flying from London City Airport to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£465+ Cheap Flights from London City Airport to Ko Samui

Cheap flight deals from London City to Ko Samui

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 17 September 2026.

Tue 3/1109:15 -

2 stops19h 40m

Tue 17/1110:20 -

2 stops29h 20m

Deal found 15/9£723

Tue 3/1109:15 -

2 stops18h 25m

Wed 18/1110:20 -

2 stops29h 20m

Deal found 12/9£728

Thu 26/1109:15 -

2 stops23h 05m

Thu 3/1210:00 -

2 stops29h 40m

Deal found 14/9£729

Tue 3/1109:15 -

2 stops18h 25m

Thu 3/1210:00 -

2 stops29h 40m

Deal found 16/9£737

Wed 2/1213:30 -

2 stops19h 05m

Wed 16/1210:00 -

2 stops29h 40m

Deal found 15/9£788

Tue 1/1209:15 -

2 stops18h 25m

Sun 13/1213:25 -

2 stops26h 50m

Deal found 12/9£791

Mon 2/1118:15 -

2 stops19h 50m

Wed 2/1210:00 -

2 stops29h 40m

Deal found 16/9£829

Mon 2/1118:15 -

2 stops19h 50m

Mon 16/1109:40 -

2 stops30h 00m

Deal found 13/9£846

Thu 5/1109:15 -

2 stops23h 05m

Tue 17/1110:20 -

2 stops29h 20m

Deal found 15/9£846

Sun 8/1113:20 -

2 stops18h 50m

Wed 18/1110:20 -

2 stops29h 20m

Deal found 13/9£852

Thu 26/1109:15 -

2 stops23h 05m

Thu 10/1216:25 -

2 stops23h 15m

Deal found 13/9£861

Find flight deals from London City to Ko Samui

Round-trip from	£723
One-way from	£465
Popular in	December
Cheapest in	November
Average price	£831

SWISS
3/11-17/11
4 total stops
49h 00m total
London to Ko Samui

Search Deals

28/10-31/12
3 total stops
28h 10m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£87 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£35 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 London City - USM Ko Samui

LCYUSM

London City

Thu 15/10

14:45-20:25

3 stops23h 40m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£529

Fastest return journey

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Mon 5/10

10:00-09:20

2 stops17h 20m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£579

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Tue 13/10

13:10-12:45

2 stops17h 35m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£585

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Mon 12/10

08:00-12:45

2 stops22h 45m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£588

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Tue 22/9

18:05-21:10

2 stops21h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£623

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Wed 30/9

09:15-21:10

2 stops29h 55m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£625

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Mon 7/12

09:50-21:05

2 stops28h 15m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£652

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Wed 18/11

13:30-15:20

2 stops18h 50m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£654

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Sun 15/11

13:20-13:50

2 stops17h 30m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£660

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Mon 21/9

13:10-13:45

2 stops18h 35m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£660

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 24 resultsSorted by cheapest first

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.

LCY-USM

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

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 23h 05m. 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.

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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.

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Cheap flights from London City Airport to Ko Samui from £465

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London City to Ko Samui

Cheapest flights from London City to Ko SamuiExplore 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 17 September 2026.

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 17 September 2026.

Best flights from London City to Ko SamuiDiscover carefully curated flight deals from London City to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from London City to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from London City to Ko SamuiDiscover last-minute flight deals from London City to Ko Samui. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from London City to Ko Samui. Data last updated 17 September 2026 and is based on user searches.

One-way flights from London City to Ko SamuiSearch for one-way flight options from London City to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from London City to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

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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.

Related info for your journey

What airport do you fly into for flights to Ko Samui from London City?

How long is the flight from London City Airport to Ko Samui?

Can I find deals for flights from London City to Ko Samui that include hotel bookings?

How can I find direct flights from London City to Ko Samui?

Can I find deals for business class flights from London City to Ko Samui?

Travelling to a place near Ko Samui?

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Alternative routes for London City to Ko Samui

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Complete your trip

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Other flights to Ko Samui

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Can Cheapflights notify me if prices for flights from London City to Ko Samui become cheaper?

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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 17 September 2026.

Best flights from London City to Ko Samui
Discover carefully curated flight deals from London City to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from London City to Ko Samui
Discover last-minute flight deals from London City to Ko Samui. Data last updated 17 September 2026 and is based on user searches.

One-way flights from London City to Ko Samui
Search for one-way flight options from London City to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.