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 25m. 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.

£430+ 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 30 October 2026.

Tue 1/1209:15 -

2 stops19h 40m

Tue 8/1209:20 -

2 stops38h 45m

Deal found 25/10£776

Thu 26/1117:40 -

2 stops40h 50m

Wed 9/1209:20 -

2 stops30h 20m

Deal found 25/10£802

Fri 27/1117:40 -

2 stops31h 20m

Fri 4/1219:00 -

2 stops54h 30m

Deal found 28/10£835

Tue 24/1109:15 -

2 stops18h 25m

Tue 1/1210:00 -

2 stops33h 50m

Deal found 25/10£841

Mon 2/1113:25 -

2 stops38h 15m

Mon 23/1108:15 -

2 stops35h 35m

Deal found 26/10£844

Thu 12/1113:25 -

2 stops24h 40m

Sat 12/1208:15 -

2 stops41h 15m

Deal found 28/10£846

Tue 10/1117:05 -

2 stops21h 00m

Wed 25/1107:55 -

2 stops30h 20m

Deal found 29/10£848

Thu 19/1109:15 -

2 stops28h 50m

Tue 1/1209:20 -

2 stops38h 45m

Deal found 27/10£851

Tue 3/1109:15 -

2 stops19h 40m

Tue 24/1110:20 -

2 stops29h 20m

Deal found 26/10£857

Fri 27/1113:25 -

2 stops17h 25m

Thu 25/213:25 -

2 stops26h 50m

Deal found 26/10£866

Fri 4/1213:25 -

2 stops18h 45m

Tue 15/1216:25 -

2 stops23h 15m

Deal found 26/10£894

Tue 3/1109:15 -

2 stops19h 40m

Mon 16/1110:20 -

2 stops29h 20m

Deal found 27/10£897

Find flight deals from London City to Ko Samui

Round-trip from	£776
One-way from	£430
Popular in	December
Cheapest in	November
Average price	£893

SWISS
1/12-8/12
4 total stops
58h 25m total
London to Ko Samui

Search Deals

31/12-31/12
3 total stops
42h 10m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£91 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£34 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

Mon 25/1

13:25-15:35

2 stops19h 10m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£592

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Tue 1/12

13:25-16:25

2 stops20h 00m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£606

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Thu 26/11

09:15-15:20

2 stops23h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£673

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Thu 14/1

13:25-15:35

2 stops19h 10m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£675

Fastest return journey

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Thu 31/12

17:05-18:15

2 stops18h 10m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£696

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Mon 2/11

13:25-10:40

2 stops38h 15m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£700

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Thu 21/1

13:25-14:55

2 stops18h 30m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£781

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Tue 12/1

09:20-10:35

2 stops18h 15m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£894

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Sat 16/1

10:00-12:35

2 stops19h 35m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£894

LondonKo Samui

LCY London City - USM Ko Samui

LCYUSM

London City

Tue 10/11

09:15-10:40

2 stops18h 25m

Ko Samui

Tue 15/12

10:00-08:40

2 stops29h 40m

£926

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 22 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 18h 25m. 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 £430

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/12. 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 30 October 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 30 October 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 30 October 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 30 October 2026.

Last-minute flights from London City to Ko SamuiDiscover last-minute flight deals from London City to Ko Samui. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from London City to Ko Samui. Data last updated 30 October 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 30 October 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 30 October 2026.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London City Airport to Ko Samui that are best for you.

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

Complete your trip to Ko Samui by adding a car hire and/or hotel booking to your travel itinerary.

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Other flights to Ko Samui

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How does Cheapflights help users find flights from London City to Ko Samui?

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

Can Cheapflights 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?

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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 30 October 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 30 October 2026.

Last-minute flights from London City to Ko Samui
Discover last-minute flight deals from London City to Ko Samui. Data last updated 30 October 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 30 October 2026.