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Cheap flights from London Luton Airport to Ko Samui from £316

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — USM
9 Aug — 16 Aug1
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
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 10 July 2026.

Fri 28/807:05
LTN
-
USM
3 stops31h 45m
Multiple Airlines
Tue 6/1011:05
USM
-
LTN
3 stops38h 50m
Multiple Airlines
Deal found 7/7£707
Thu 27/815:00
LTN
-
USM
3 stops23h 45m
Multiple Airlines
Fri 11/919:00
USM
-
LTN
3 stops35h 30m
Multiple Airlines
Deal found 6/7£709
Fri 11/913:40
LTN
-
USM
3 stops24h 45m
Multiple Airlines
Fri 25/906:00
USM
-
LTN
3 stops23h 25m
Multiple Airlines
Deal found 8/7£738
Sun 23/806:45
LTN
-
USM
3 stops25h 55m
Multiple Airlines
Tue 8/917:55
USM
-
LTN
3 stops25h 30m
Multiple Airlines
Deal found 7/7£742
Mon 24/807:15
LTN
-
USM
3 stops24h 30m
Multiple Airlines
Mon 7/917:25
USM
-
LTN
3 stops32h 30m
Multiple Airlines
Deal found 6/7£771
Mon 17/806:00
LTN
-
USM
3 stops23h 55m
Multiple Airlines
Tue 1/915:25
USM
-
LTN
3 stops36h 45m
Multiple Airlines
Deal found 8/7£783
Mon 24/806:45
LTN
-
USM
3 stops21h 45m
Multiple Airlines
Fri 28/808:30
USM
-
LTN
3 stops46h 00m
Multiple Airlines
Deal found 9/7£802
Sun 23/815:35
LTN
-
USM
3 stops24h 00m
Multiple Airlines
Mon 31/817:55
USM
-
LTN
3 stops33h 50m
Multiple Airlines
Deal found 6/7£817
Sat 5/1207:40
LTN
-
USM
3 stops30h 10m
Multiple Airlines
Wed 6/108:55
USM
-
LTN
3 stops43h 45m
Multiple Airlines
Deal found 9/7£825
Wed 26/806:15
LTN
-
USM
3 stops28h 40m
Multiple Airlines
Fri 4/909:15
USM
-
LTN
3 stops45h 15m
Multiple Airlines
Deal found 6/7£838

Find flight deals from Luton to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) 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 July 2026.

Round-trip from

£707

One-way from

£316

Popular in

December

Cheapest in

November

Average price

£967
28/8-6/10
  • 28/8-6/10
  • 6 total stops
  • 70h 35m total
  • London to Ko Samui
Search Deals
9/9
  • 9/9
  • 3 total stops
  • 52h 55m total
  • London to Ko Samui
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton 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 July 2026.
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 - USM

LTNUSM

London Luton

Fri 28/8

07:05-20:50

3 stops31h 45m

Ko Samui

Tue 6/10

11:05-19:55

3 stops38h 50m

£707

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Thu 27/8

15:00-20:45

3 stops23h 45m

Ko Samui

Fri 11/9

19:00-00:30

3 stops35h 30m

£709
Fastest return journey

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Fri 11/9

13:40-20:25

3 stops24h 45m

Ko Samui

Fri 25/9

06:00-23:25

3 stops23h 25m

£738

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Sun 23/8

06:45-14:40

3 stops25h 55m

Ko Samui

Tue 8/9

17:55-13:25

3 stops25h 30m

£742

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Mon 24/8

07:15-13:45

3 stops24h 30m

Ko Samui

Mon 7/9

17:25-19:55

3 stops32h 30m

£771

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Mon 17/8

06:00-11:55

3 stops23h 55m

Ko Samui

Tue 1/9

15:25-22:10

3 stops36h 45m

£783

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Mon 24/8

06:45-10:30

3 stops21h 45m

Ko Samui

Fri 28/8

08:30-00:30

3 stops46h 00m

£802

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Sat 5/12

07:40-20:50

3 stops30h 10m

Ko Samui

Wed 6/1

08:55-21:40

3 stops43h 45m

£825
Cheapest one-way

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Thu 10/9

07:05-18:00

3 stops52h 55m

£322

LondonKo Samui

LTN - USM

LTNUSM

London Luton

Tue 8/9

07:05-16:55

3 stops51h 50m

£324

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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
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 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

Find useful and relevant information for your journey from Luton 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 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

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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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