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 LTN to USM?

When flying from London Luton 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 Luton?

Ko Samui (USM) is the airport you will fly into if you book a flight from London Luton to Ko Samui. You should not have trouble finding flights to Ko Samui from London Luton; the airport handles an average of 0 inbound flights from London Luton per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Ko Samui airport from London Luton. It is only a 2.1 mi journey from Ko Samui (USM) to Ko Samui’s city center.

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

Yes. In addition to deals on Luton to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Luton to Ko Samui?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to Ko Samui.

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

Yes. Cheapflights offers flight deals from Luton 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.

£325+ Cheap Flights from London Luton Airport to Ko Samui

Cheap flight deals from Luton to Ko Samui

Enter your travel dates to find the best prices.

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Last-minute

One-way

Cheapest flights from Luton to Ko Samui
Explore the most affordable flight options available from Luton to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.

Wed 9/1213:20 -

3 stops25h 00m

Mon 21/1215:50 -

3 stops26h 25m

Deal found 6/10£710

Sat 5/1214:40 -

3 stops23h 40m

Sat 19/1215:50 -

3 stops26h 25m

Deal found 8/10£716

Tue 1/1215:05 -

3 stops22h 45m

Wed 16/1215:50 -

3 stops26h 25m

Deal found 7/10£717

Tue 10/1112:15 -

3 stops25h 10m

Thu 3/1219:50 -

3 stops25h 45m

Deal found 4/10£730

Mon 19/1013:35 -

3 stops24h 55m

Tue 10/1117:05 -

3 stops24h 30m

Deal found 7/10£746

Wed 9/1217:35 -

3 stops20h 45m

Sun 20/1219:50 -

3 stops25h 45m

Deal found 8/10£762

Sun 18/1006:20 -

3 stops27h 25m

Wed 4/1117:05 -

3 stops23h 10m

Deal found 7/10£772

Sun 13/1217:00 -

3 stops32h 00m

Sun 20/1218:15 -

3 stops27h 10m

Deal found 5/10£773

Mon 2/1114:05 -

3 stops23h 20m

Sun 29/1118:05 -

3 stops27h 20m

Deal found 6/10£779

Sun 13/1217:00 -

3 stops32h 00m

Mon 21/1218:15 -

3 stops27h 10m

Deal found 5/10£788

Find flight deals from Luton to Ko Samui

Round-trip from	£710
One-way from	£325
Popular in	December
Cheapest in	November
Average price	£900

9/12-21/12
6 total stops
51h 25m total
London to Ko Samui

Search Deals

2/11-31/12
3 total stops
60h 00m total
London to Ko Samui

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£80 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 October 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Mon 2/11

12:10-07:10

3 stops60h 00m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Tue 27/10

15:05-07:10

3 stops57h 05m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£364

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Fri 4/12

15:05-20:25

3 stops46h 20m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£392

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Mon 12/10

13:35-20:25

3 stops24h 50m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£427

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sat 5/12

20:25-09:20

2 stops29h 55m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£472

Fastest return journey

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Fri 1/1

14:40-21:20

3 stops23h 40m

Ko Samui

Wed 31/12

00:00-18:00

Nonstop0h 00m

£507

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Wed 9/12

13:20-21:20

3 stops25h 00m

Ko Samui

Mon 21/12

15:50-11:15

3 stops26h 25m

£710

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sat 5/12

14:40-21:20

3 stops23h 40m

Ko Samui

Sat 19/12

15:50-11:15

3 stops26h 25m

£716

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Tue 1/12

15:05-20:50

3 stops22h 45m

Ko Samui

Wed 16/12

15:50-11:15

3 stops26h 25m

£717

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Wed 9/12

17:35-21:20

3 stops20h 45m

Ko Samui

Sun 20/12

19:50-14:35

3 stops25h 45m

£762

Flights are sorted by cheapest return flights first.

Deals found on 6/10

Showing 1-10 of 18 resultsSorted by cheapest first

Best time to book a flight from Luton to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Luton with our price prediction graph.

LTN-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.

Cheapflights Insights

Everything you need to know about your flight from London Luton Airport to Ko Samui

How often are flights from London to Ko Samui delayed?

About 75% of weekly flights between London and Ko Samui have experienced delays in the past year, with the average delay time being 129 minutes.

What is the most punctual flight time for London to Ko Samui flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

What airport do you fly into for flights to Ko Samui from London Luton?
Ko Samui (USM) is the airport you will fly into if you book a flight from London Luton to Ko Samui. You should not have trouble finding flights to Ko Samui from London Luton; the airport handles an average of 0 inbound flights from London Luton per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Ko Samui airport from London Luton. It is only a 2.1 mi journey from Ko Samui (USM) to Ko Samui’s city center.
Can I find deals for flights from Luton to Ko Samui that include hotel bookings?
Yes. In addition to deals on Luton to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Luton to Ko Samui?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luton to Ko Samui.
Can I find deals for business class flights from Luton to Ko Samui?
Yes. Cheapflights offers flight deals from Luton 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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How does Cheapflights help users find flights from Luton to Ko Samui?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ko Samui from Luton today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Luton to Ko Samui for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Luton to Ko Samui with no change fees?

Need flexible booking options for your flight to Ko Samui from Luton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Luton to Ko Samui flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London Luton Airport to Ko Samui from £325

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Luton to Ko Samui

Cheapest flights from Luton to Ko SamuiExplore the most affordable flight options available from Luton to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.

Explore the most affordable flight options available from Luton to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.

Best flights from Luton to Ko SamuiDiscover carefully curated flight deals from Luton to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Discover carefully curated flight deals from Luton to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Last-minute flights from Luton to Ko SamuiDiscover last-minute flight deals from Luton to Ko Samui. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from Luton to Ko Samui. Data last updated 9 October 2026 and is based on user searches.

One-way flights from Luton to Ko SamuiSearch for one-way flight options from Luton to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Search for one-way flight options from Luton to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.

Find flight deals from Luton to Ko Samui

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Cheapflights Fare Finder

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

Best time to book a flight from Luton to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Luton with our price prediction graph.

Cheapflights Insights

How often are flights from London to Ko Samui delayed?

About 75% of weekly flights between London and Ko Samui have experienced delays in the past year, with the average delay time being 129 minutes.

What is the most punctual flight time for London to Ko Samui flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

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

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

How can I find direct flights from Luton to Ko Samui?

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

Travelling to a place near Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luton 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.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Luton to Ko Samui by cabin class

Find flights from Luton to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 October 2026.

Luton and Ko Samui flights

Browse other Luton and Ko Samui flight options. Last updated on 9 October 2026.

Other flights from Luton

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

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Can Cheapflights find flights from Luton to Ko Samui with no change fees?

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

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Cheapest flights from Luton to Ko Samui
Explore the most affordable flight options available from Luton to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.

Best flights from Luton to Ko Samui
Discover carefully curated flight deals from Luton to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.

Last-minute flights from Luton to Ko Samui
Discover last-minute flight deals from Luton to Ko Samui. Data last updated 9 October 2026 and is based on user searches.

One-way flights from Luton to Ko Samui
Search for one-way flight options from Luton to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.