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Cheap flight deals from London to Koh Samui Starting at IDR 6,982,807

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • LHR09:50 pm
        35h 30m
        1 stop
        USM04:20 pm
        Fri, Mar 14|London - Koh Samui|Tianjin Airlines
        IDR 6,982,807IDR 12,731,464
        45% OFF
        45% OFF
        IDR 12,731,464IDR 6,982,807

        Choose Tianjin Airlines flights from London to Koh Samui. The one-way connecting flight with Tianjin Airlines departs from Heathrow Airport on Fri, Mar 14, arriving at Samui International Airport. One-way Prices start from IDR 6,982,807 including taxes and charges.

      • LHR09:50 pm
        35h 30m
        1 stop
        USM04:20 pm
        Fri, Mar 7|London - Koh Samui|Tianjin Airlines
        IDR 7,000,787IDR 12,731,464
        45% OFF
        45% OFF
        IDR 12,731,464IDR 7,000,787

        Choose Tianjin Airlines flights from London to Koh Samui. The one-way connecting flight with Tianjin Airlines departs from Heathrow Airport on Fri, Mar 7, arriving at Samui International Airport. One-way Prices start from IDR 7,000,787 including taxes and charges.

      • LHR09:50 pm
        35h 30m
        1 stop
        USM04:20 pm
        Fri, Mar 21|London - Koh Samui|Tianjin Airlines
        IDR 7,344,645IDR 12,731,464
        42% OFF
        42% OFF
        IDR 12,731,464IDR 7,344,645

        Choose Tianjin Airlines flights from London to Koh Samui. The one-way connecting flight with Tianjin Airlines departs from Heathrow Airport on Fri, Mar 21, arriving at Samui International Airport. One-way Prices start from IDR 7,344,645 including taxes and charges.

      • LHR09:50 pm
        35h 30m
        1 stop
        USM04:20 pm
        Fri, Feb 21|London - Koh Samui|Tianjin Airlines
        IDR 7,349,140
        IDR 7,349,140

        Choose Tianjin Airlines flights from London to Koh Samui. The one-way connecting flight with Tianjin Airlines departs from Heathrow Airport on Fri, Feb 21, arriving at Samui International Airport. One-way Prices start from IDR 7,349,140 including taxes and charges.

      • LHR09:50 pm
        35h 30m
        1 stop
        USM04:20 pm
        Fri, Feb 28|London - Koh Samui|Tianjin Airlines
        IDR 7,412,069
        IDR 7,412,069

        Choose Tianjin Airlines flights from London to Koh Samui. The one-way connecting flight with Tianjin Airlines departs from Heathrow Airport on Fri, Feb 28, arriving at Samui International Airport. One-way Prices start from IDR 7,412,069 including taxes and charges.

      • LHR09:25 am
        27h 5m
        1 stop
        USM06:30 pm
        Tue, Apr 22|London - Koh Samui|Singapore Airlines
        IDR 8,812,226
        IDR 8,812,226

        Choose Singapore Airlines flights from London to Koh Samui. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Tue, Apr 22, arriving at Samui International Airport. One-way Prices start from IDR 8,812,226 including taxes and charges.

      • LHR09:10 am
        26h 20m
        1 stop
        USM06:30 pm
        Mon, Mar 17|London - Koh Samui|Singapore Airlines
        IDR 9,151,590
        IDR 9,151,590

        Choose Singapore Airlines flights from London to Koh Samui. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Mon, Mar 17, arriving at Samui International Airport. One-way Prices start from IDR 9,151,590 including taxes and charges.

      • LHR09:25 am
        27h 5m
        1 stop
        USM06:30 pm
        Sun, May 11|London - Koh Samui|Singapore Airlines
        IDR 9,203,281
        IDR 9,203,281

        Choose Singapore Airlines flights from London to Koh Samui. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Sun, May 11, arriving at Samui International Airport. One-way Prices start from IDR 9,203,281 including taxes and charges.

      • LGW09:25 am
        26h 5m
        1 stop
        USM06:30 pm
        Mon, Mar 10|London - Koh Samui|Singapore Airlines
        IDR 9,362,850
        IDR 9,362,850

        Choose Singapore Airlines flights from London to Koh Samui. The one-way connecting flight with Singapore Airlines departs from London Gatwick Airport on Mon, Mar 10, arriving at Samui International Airport. One-way Prices start from IDR 9,362,850 including taxes and charges.

      • LHR09:10 am
        26h 20m
        1 stop
        USM06:30 pm
        Mon, Mar 24|London - Koh Samui|Singapore Airlines
        IDR 9,378,582
        IDR 9,378,582

        Choose Singapore Airlines flights from London to Koh Samui. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Mon, Mar 24, arriving at Samui International Airport. One-way Prices start from IDR 9,378,582 including taxes and charges.

      • LON01:00 pm
        3h 5m
        Nonstop
        USM02:00 pm
        Fri, Feb 28|London - Koh Samui|Tianjin Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

London to Koh Samui Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. W96306

    Wizz Air UK

    06:05 am

    LGW

    2.0h

    09:05 am

    MXP

    S-T-T--
    Search

  2. TG941

    Thai Airways

    02:05 pm

    MXP

    10.8h

    05:55 am

    BKK

    SMTWTFS

  3. PG121

    Bangkok Airways

    07:30 am

    BKK

    1.1h

    08:35 am

    USM

    SMTWTFS

  4. W95329

    Wizz Air UK

    06:10 am

    LTN

    4.1h

    01:15 pm

    IST

    S-T-T--
    Search

  5. TG901

    Thai Airways

    04:30 pm

    IST

    9.2h

    05:40 am

    BKK

    SMTWTFS

  6. PG125

    Bangkok Airways

    09:00 am

    BKK

    1.2h

    10:10 am

    USM

    SMTWTFS

  7. W95329

    Wizz Air UK

    06:10 am

    LTN

    4.1h

    01:15 pm

    IST

    S-T-T--
    Search

  8. TG901

    Thai Airways

    04:30 pm

    IST

    9.2h

    05:40 am

    BKK

    SMTWTFS

  9. TG5910

    Thai Airways

    09:00 am

    BKK

    1.2h

    10:10 am

    USM

    SMTWTFS

  10. U26357

    easyJet

    06:25 am

    LGW

    3.7h

    12:05 pm

    ATH

    -MTWT--
    Search

  11. TR721

    Scoot

    09:35 am

    ATH

    11.3h

    01:50 am

    SIN

    SMTWTFS

  12. TR648

    Scoot

    05:35 pm

    SIN

    1.9h

    06:30 pm

    USM

    SMTWTFS

  13. W95771

    Wizz Air UK

    06:40 am

    LGW

    3.9h

    01:35 pm

    IST

    SMTWTFS
    Search

  14. TG901

    Thai Airways

    04:30 pm

    IST

    9.2h

    05:40 am

    BKK

    SMTWTFS

  15. TG5984

    Thai Airways

    10:25 am

    BKK

    1.6h

    12:00 pm

    USM

    SMTWTFS

  16. W95771

    Wizz Air UK

    06:40 am

    LGW

    3.9h

    01:35 pm

    IST

    SMTWTFS
    Search

  17. TG901

    Thai Airways

    04:30 pm

    IST

    9.2h

    05:40 am

    BKK

    SMTWTFS

  18. PG125

    Bangkok Airways

    09:00 am

    BKK

    1.2h

    10:10 am

    USM

    SMTWTFS

  19. W95771

    Wizz Air UK

    06:40 am

    LGW

    3.9h

    01:35 pm

    IST

    SMTWTFS
    Search

  20. TG901

    Thai Airways

    04:30 pm

    IST

    9.2h

    05:40 am

    BKK

    SMTWTFS

  21. TG5910

    Thai Airways

    09:00 am

    BKK

    1.2h

    10:10 am

    USM

    SMTWTFS

  22. FR2757

    Ryanair

    07:30 am

    STN

    1.8h

    10:20 am

    MXP

    SMTWTFS
    Search

  23. TG941

    Thai Airways

    02:05 pm

    MXP

    10.8h

    05:55 am

    BKK

    SMTWTFS

  24. TG5902

    Thai Airways

    07:30 am

    BKK

    1.1h

    08:35 am

    USM

    SMTWTFS

  25. U28303

    easyJet

    09:00 am

    LGW

    2.0h

    12:00 pm

    MXP

    SMT-TFS
    Search

  26. TG941

    Thai Airways

    02:05 pm

    MXP

    10.8h

    05:55 am

    BKK

    SMTWTFS

  27. TG5902

    Thai Airways

    07:30 am

    BKK

    1.1h

    08:35 am

    USM

    SMTWTFS

  28. SQ305

    Singapore Airlines

    09:10 am

    LHR

    12.8h

    06:00 am

    SIN

    SMTWTFS
    Search

  29. TR648

    Scoot

    05:35 pm

    SIN

    1.9h

    06:30 pm

    USM

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from London to Koh Samui?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from London (LON) to Koh Samui (USM) the cheapest?

    Airlines adjust prices for flights from London to Koh Samui based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from London (LON) to Koh Samui (USM) cost?

    According to Trip.com's data, the lowest price is around IDR 19,647,151.

  • What is the transportation method from the main airport to downtown in Koh Samui?

    • The distance from Samui International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.

How to find a cheap flight from London to Koh Samui

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to Koh Samui. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | London to Koh Samui

Cheapest nonstop flight priceIDR 6,982,807
Off-season for travelMarch
Peak season for travelMay
Flight distance9,874.84 km
Popular airlineEVA Air

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