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Cheap flights from London Luton Airport to Ko Samui from £284

LTN — USM
23 Sep — 30 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Luton to Ko Samui

Mon 7/913:35 -
3 stops24h 50m
Sat 19/915:25 -
3 stops25h 05m
Deal found 24/8£690
Wed 23/913:35 -
3 stops24h 50m
Wed 30/917:55 -
3 stops24h 40m
Deal found 24/8£709
Tue 15/915:15 -
3 stops24h 20m
Sun 27/917:55 -
3 stops23h 30m
Deal found 21/8£712
Mon 31/813:35 -
3 stops24h 50m
Mon 28/917:55 -
3 stops24h 50m
Deal found 24/8£717
Tue 8/914:05 -
3 stops35h 40m
Thu 24/919:45 -
3 stops24h 50m
Deal found 20/8£732
Fri 4/913:25 -
3 stops25h 00m
Mon 5/1019:00 -
3 stops25h 20m
Deal found 23/8£732
Thu 26/1117:00 -
3 stops32h 00m
Thu 10/1219:45 -
3 stops28h 50m
Deal found 19/8£735
Tue 1/1215:05 -
3 stops23h 15m
Sun 13/1218:05 -
3 stops27h 50m
Deal found 22/8£743
Wed 7/1006:15 -
3 stops23h 40m
Wed 14/1017:55 -
3 stops24h 40m
Deal found 23/8£749

Find flight deals from Luton to Ko Samui

Round-trip from

£690

One-way from

£284

Popular in

December

Cheapest in

November

Average price

£973
7/9-19/9
  • 7/9-19/9
  • 6 total stops
  • 49h 55m total
  • London to Ko Samui
Search Deals
21/9
  • 21/9
  • 3 total stops
  • 36h 10m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£33 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 7/9

13:35-20:25

3 stops24h 50m

Ko Samui

Sat 19/9

15:25-10:30

3 stops25h 05m

£690
Fastest return journey

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Tue 15/9

15:15-21:35

3 stops24h 20m

Ko Samui

Sun 27/9

17:55-11:25

3 stops23h 30m

£712

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Tue 8/9

14:05-07:45

3 stops35h 40m

Ko Samui

Thu 24/9

19:45-14:35

3 stops24h 50m

£732

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Fri 4/9

13:25-20:25

3 stops25h 00m

Ko Samui

Mon 5/10

19:00-14:20

3 stops25h 20m

£732

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Tue 1/12

15:05-21:20

3 stops23h 15m

Ko Samui

Sun 13/12

18:05-14:55

3 stops27h 50m

£743

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Wed 7/10

06:15-11:55

3 stops23h 40m

Ko Samui

Wed 14/10

17:55-12:35

3 stops24h 40m

£749

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Mon 23/11

14:05-20:25

3 stops23h 20m

Ko Samui

Sun 29/11

18:05-14:35

3 stops27h 30m

£806

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sun 18/10

09:00-18:50

3 stops27h 50m

Ko Samui

Sat 31/10

12:00-14:25

3 stops33h 25m

£832

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Thu 11/2

16:00-08:00

3 stops33h 00m

Ko Samui

Sat 20/2

18:05-20:50

3 stops33h 45m

£854

LondonKo Samui

LTN London Luton - USM Ko Samui

LTNUSM

London Luton

Sat 10/10

13:40-20:25

3 stops24h 45m

Ko Samui

Sat 31/10

21:30-14:25

2 stops23h 55m

£924

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 21 resultsSorted by cheapest first
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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.
Estimated return price

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 60% of weekly flights between London and Ko Samui have experienced delays in the past year, with the average delay time being 103 minutes.

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

Historically, flights departing at night 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?

Monday 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.

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

Browse thousands of different options on Cheapflights for your next trip

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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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