Trip.com
>
Cheap Flights
>
United Kingdom
>
London
>
Koh Samui to London flight
>
Samui Airport to Heathrow Airport flight

Explore the cheapest one-way and round-trip flights from Samui Airport to Heathrow Airport over the next 90 days, with one-way fares from £397 and round-trip from £947. Based on Trip.com's latest 7-day flight data.

    • USM 19:10
      18h 30m
      1 stop
      LHR 06:40
      Koh Samui - London | Sat, Nov 14 | Thai Airways
      LHR 11:50
      15h 45m
      1 stop
      USM 10:35
      London - Koh Samui | Sat, Nov 21 | Thai Airways
      £947 £1,246
      24% off
      24% off
      £1,246 £947
    • USM 10:20
      16h 15m
      1 stop
      LHR 19:35
      Koh Samui - London | Sun, Nov 8 | Thai Airways
      LHR 21:35
      15h 15m
      1 stop
      USM 19:50
      London - Koh Samui | Sun, Nov 15 | Thai Airways
      £949 £1,246
      24% off
      24% off
      £1,246 £949
    • USM 07:55
      18h 10m
      1 stop
      LHR 19:05
      Koh Samui - London | Tue, Nov 24 | EVA Air
      LHR 21:20
      16h 5m
      1 stop
      USM 20:25
      London - Koh Samui | Thu, Nov 26 | EVA Air
      £954 £1,246
      23% off
      23% off
      £1,246 £954
    • USM 07:55
      18h 10m
      1 stop
      LHR 19:05
      Koh Samui - London | Wed, Nov 18 | EVA Air
      LHR 21:20
      16h 5m
      1 stop
      USM 20:25
      London - Koh Samui | Wed, Nov 25 | EVA Air
      £967
      22% off
      £1,246 £967
    • USM 08:30
      18h 5m
      1 stop
      LHR 19:35
      Koh Samui - London | Thu, Nov 5 | Thai Airways
      LHR 21:35
      15h 50m
      1 stop
      USM 20:25
      London - Koh Samui | Mon, Nov 9 | Thai Airways
      £972
      22% off
      £1,246 £972
    • USM 07:55
      18h 40m
      1 stop
      LHR 19:35
      Koh Samui - London | Wed, Nov 11 | Thai Airways
      LHR 21:35
      15h 50m
      1 stop
      USM 20:25
      London - Koh Samui | Wed, Nov 18 | Thai Airways
      £979
      21% off
      £1,246 £979
    • USM 07:55
      18h 10m
      1 stop
      LHR 19:05
      Koh Samui - London | Sat, Nov 7 | EVA Air
      LHR 21:20
      16h 5m
      1 stop
      USM 20:25
      London - Koh Samui | Wed, Nov 11 | EVA Air
      £980
      21% off
      £1,246 £980
    • USM 07:55
      18h 40m
      1 stop
      LHR 19:35
      Koh Samui - London | Tue, Dec 1 | Thai Airways
      LHR 11:50
      17h
      1 stop
      USM 11:50
      London - Koh Samui | Tue, Dec 8 | Thai Airways
      £981
      21% off
      £1,246 £981
    • USM 08:40
      17h 55m
      1 stop
      LHR 19:35
      Koh Samui - London | Sat, Dec 12 | Thai Airways
      LHR 21:35
      30h 55m
      1 stop
      USM 11:30
      London - Koh Samui | Sat, Dec 19 | Thai Airways
      £982
      21% off
      £1,246 £982
    • USM 13:00
      17h 25m
      1 stop
      LON 14:00
      Koh Samui - London | Wed, Nov 4 | Normal Airline
      LON 15:00
      6h
      Direct
      USM 16:00
      London - Koh Samui | Fri, Nov 6 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      USM 08:15
      18h 35m
      1 stop
      LHR 19:50
      Koh Samui - London | Mon, Dec 21 | Bangkok Airways
      £397 £574
      31% off
      31% off
      £574 £397
    • USM 07:00
      19h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Wed, Nov 18 | Thai Airways
      £435 £574
      24% off
      24% off
      £574 £435
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Sat, Nov 14 | Thai Airways
      £435 £574
      24% off
      24% off
      £574 £435
    • USM 14:25
      23h 15m
      1 stop
      LHR 06:40
      Koh Samui - London | Tue, Nov 17 | Thai Airways
      £438
      24% off
      £574 £438
    • USM 07:00
      19h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Tue, Nov 10 | Thai Airways
      £438
      24% off
      £574 £438
    • USM 07:55
      18h 40m
      1 stop
      LHR 19:35
      Koh Samui - London | Wed, Nov 4 | Thai Airways
      £438
      24% off
      £574 £438
    • USM 07:00
      19h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Mon, Nov 30 | Thai Airways
      £438
      24% off
      £574 £438
    • USM 07:55
      18h 40m
      1 stop
      LHR 19:35
      Koh Samui - London | Sun, Nov 8 | Thai Airways
      £438
      24% off
      £574 £438
    • USM 07:00
      19h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Tue, Nov 24 | Thai Airways
      £438
      24% off
      £574 £438
    • USM 13:00
      17h 25m
      1 stop
      LON 14:00
      Koh Samui - London | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • USM 10:20
      16h 15m
      1 stop
      LHR 19:35
      Koh Samui - London | Wed, Nov 11 | Bangkok Airways
      £438 £709
      38% off
      38% off
      £709 £438
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Tue, Nov 17 | Bangkok Airways
      £440 £709
      38% off
      38% off
      £709 £440
    • USM 20:30
      17h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Mon, Nov 16 | Bangkok Airways
      £478 £709
      33% off
      33% off
      £709 £478
    • USM 07:55
      18h 40m
      1 stop
      LHR 19:35
      Koh Samui - London | Mon, Nov 16 | Thai Airways
      £478
      33% off
      £709 £478
    • USM 09:40
      16h 55m
      1 stop
      LHR 19:35
      Koh Samui - London | Mon, Nov 30 | Thai Airways
      £490
      31% off
      £709 £490
    • USM 10:00
      16h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Wed, Dec 2 | Bangkok Airways
      £498
      30% off
      £709 £498
    • USM 19:10
      18h 30m
      1 stop
      LHR 06:40
      Koh Samui - London | Fri, Nov 20 | Thai Airways
      £505
      28% off
      £709 £505
    • USM 09:20
      17h 15m
      1 stop
      LHR 19:35
      Koh Samui - London | Wed, Nov 11 | Thai Airways
      £507
      28% off
      £709 £507
    • USM 07:55
      18h 40m
      1 stop
      LHR 19:35
      Koh Samui - London | Sun, Nov 29 | Bangkok Airways
      £523
      26% off
      £709 £523
    • USM 13:00
      17h 25m
      1 stop
      LON 14:00
      Koh Samui - London | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Sat, Nov 14 | Thai Airways
      £435 £574
      24% off
      24% off
      £574 £435
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Tue, Nov 10 | Thai Airways
      £438 £1,823
      76% off
      76% off
      £1,823 £438
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Thu, Nov 5 | Thai Airways
      £438 £1,823
      76% off
      76% off
      £1,823 £438
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Thu, Nov 12 | Bangkok Airways
      £440
      76% off
      £1,823 £440
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Thu, Nov 12 | Thai Airways
      £440
      76% off
      £1,823 £440
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Thu, Nov 19 | Thai Airways
      £442
      23% off
      £574 £442
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Thu, Dec 3 | Bangkok Airways
      £478
      74% off
      £1,823 £478
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Thu, Dec 17 | Thai Airways
      £552
      70% off
      £1,823 £552
    • USM 21:30
      16h 10m
      1 stop
      LHR 06:40
      Koh Samui - London | Sat, Jan 9 | Thai Airways
      £1,218
      33% off
      £1,823 £1,218
    • USM 13:00
      17h 25m
      1 stop
      LON 14:00
      Koh Samui - London | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • USM 10:00
      16h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Fri, Nov 6 | Thai Airways
      £550 £721
      24% off
      24% off
      £721 £550
    • USM 10:00
      16h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Sun, Nov 8 | Thai Airways
      £550 £721
      24% off
      24% off
      £721 £550
    • USM 10:00
      16h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Wed, Nov 4 | Thai Airways
      £550 £721
      24% off
      24% off
      £721 £550
    • USM 10:00
      16h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Sat, Nov 7 | Thai Airways
      £553
      23% off
      £721 £553
    • USM 10:00
      16h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Thu, Nov 5 | Bangkok Airways
      £556
      23% off
      £721 £556
    • USM 07:55
      18h 40m
      1 stop
      LHR 19:35
      Koh Samui - London | Tue, Nov 3 | Thai Airways
      £560
      22% off
      £721 £560
    • USM 10:00
      16h 35m
      1 stop
      LHR 19:35
      Koh Samui - London | Mon, Nov 9 | Thai Airways
      £569
      21% off
      £721 £569
    • USM 13:00
      17h 25m
      1 stop
      LON 14:00
      Koh Samui - London | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Koh Samui to London are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Samui Airport to Heathrow Airport

What is the cheapest month to fly from Samui Airport to Heathrow Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Samui Airport to Heathrow Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Samui Airport to Heathrow Airport are usually in September, with an average price of £480. It is best to avoid April, when the average price can reach £789.

£789
£635
£480
£326
    Cheapest
  • £557
    Nov
  • £572
    Dec
  • £748
    Jan
  • £603
    Feb
  • £639
    Mar
  • £789
    Apr
  • £497
    May
  • £542
    Jun
  • £496
    Jul
  • £602
    Aug
  • £480
    Sep
  • £481
    Oct

What is the cheapest day of the week to fly from Samui Airport to Heathrow Airport?

The data is based on the past 12 months and shows the average ticket prices from Samui Airport to Heathrow Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Samui Airport to Heathrow Airport is Monday, with average prices usually lower than other days. Avoid departing on Friday as prices are typically highest on that day.

£657
£598
£538
£479
  • £538
    Mon
  • £542
    Tue
  • £633
    Wed
  • £596
    Thu
  • £657
    Fri
  • £644
    Sat
  • £614
    Sun

Which airline offers the cheapest flights from Samui Airport to Heathrow Airport?

The cheapest airline flying from Samui Airport to Heathrow Airport is Bangkok Airways (from £247) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Bangkok Airways
From £247
Scoot
From £270
Gulf Air
From £345
Qatar Airways
From £383
Oman Air
From £400
Etihad Airways
From £420
Thai Airways
From £435
Emirates
From £455
EVA Air
From £473
Turkish Airlines
From £480

Find more flights and airlines

What is the flight schedule from Samui Airport to Heathrow Airport?

Check the schedule for flights from Koh Samui to London and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. PG192

    Samui Airport

    21:30

    USM

    1h 15m

    Direct

    22:45

    BKK

    - M - W - F -
    Search

  2. EY401

    Suvarnabhumi Airport

    02:55

    BKK

    6h 50m

    Direct

    06:45

    AUH

    S M T W T F S

  3. EY063

    Zayed International Airport

    08:20

    AUH

    7h 45m

    Direct

    12:05

    LHR

    S M T W T F S

  4. PG102

    Samui Airport

    07:00

    USM

    1h 15m

    Direct

    08:15

    BKK

    S M T W T F S
    Search

  5. SK974

    Suvarnabhumi Airport

    12:35

    BKK

    12h 30m

    Direct

    19:05

    CPH

    S - - W T F S

  6. SK1501

    Copenhagen Airport

    20:40

    CPH

    2h

    Direct

    21:40

    LHR

    S M T W T F S

  7. QR4360

    Samui Airport

    07:00

    USM

    1h 15m

    Direct

    08:15

    BKK

    S M T W T F S
    Search

  8. QR839

    Suvarnabhumi Airport

    09:55

    BKK

    6h 55m

    Direct

    12:50

    DOH

    S M T W T F S

  9. QR005

    Hamad International Airport

    17:30

    DOH

    7h 25m

    Direct

    21:55

    LHR

    S M T W T F S

  10. QR4334

    Samui Airport

    19:45

    USM

    1h 30m

    Direct

    21:15

    BKK

    S M T W T F S
    Search

  11. QR837

    Suvarnabhumi Airport

    02:30

    BKK

    6h 55m

    Direct

    05:25

    DOH

    S M T W T F S

  12. QR003

    Hamad International Airport

    07:50

    DOH

    7h 25m

    Direct

    12:15

    LHR

    S M T W T F S

  13. QR4332

    Samui Airport

    20:30

    USM

    1h 15m

    Direct

    21:45

    BKK

    S M T - T F S
    Search

  14. QR837

    Suvarnabhumi Airport

    02:30

    BKK

    6h 55m

    Direct

    05:25

    DOH

    S M T W T F S

  15. QR007

    Hamad International Airport

    08:55

    DOH

    7h 15m

    Direct

    14:10

    LHR

    S M T W T F S

  16. QR4402

    Samui Airport

    11:10

    USM

    1h

    Direct

    12:10

    HKT

    S M T W T F S
    Search

  17. QR847

    Phuket International Airport

    20:30

    HKT

    6h 50m

    Direct

    23:20

    DOH

    S M T W T F S

  18. QR119

    Hamad International Airport

    03:35

    DOH

    7h 25m

    Direct

    08:00

    LHR

    S M T W T F S

  19. PG251

    Samui Airport

    08:15

    USM

    1h

    Direct

    09:15

    HKT

    S M T W T F S
    Search

  20. EY417

    Phuket International Airport

    15:15

    HKT

    6h 35m

    Direct

    18:50

    AUH

    S M T W T F S

  21. EY061

    Zayed International Airport

    02:20

    AUH

    8h 40m

    Direct

    07:00

    LHR

    S M T W T F S

  22. PG102

    Samui Airport

    07:00

    USM

    1h 15m

    Direct

    08:15

    BKK

    S M T W T F S
    Search

  23. AI2335

    Suvarnabhumi Airport

    17:55

    BKK

    4h 30m

    Direct

    20:55

    DEL

    S M T W T F S

  24. AI161

    Indira Gandhi International Airport

    02:00

    DEL

    11h

    Direct

    07:30

    LHR

    S M T W T F S

  25. PG102

    Samui Airport

    07:00

    USM

    1h 15m

    Direct

    08:15

    BKK

    S M T W T F S
    Search

  26. EY405

    Suvarnabhumi Airport

    14:40

    BKK

    7h 25m

    Direct

    19:05

    AUH

    S M T W T F S

  27. EY061

    Zayed International Airport

    02:20

    AUH

    8h 40m

    Direct

    07:00

    LHR

    S M T W T F S

  28. PG102

    Samui Airport

    07:00

    USM

    1h 15m

    Direct

    08:15

    BKK

    S M T W T F S
    Search

  29. SK974

    Suvarnabhumi Airport

    12:35

    BKK

    12h 30m

    Direct

    19:05

    CPH

    S - - W T F S

  30. SK501

    Copenhagen Airport

    08:10

    CPH

    2h 10m

    Direct

    09:20

    LHR

    S M T W T F S
Find more flights and airlines

About Samui Airport and Heathrow Airport

Learn about Samui Airport (USM) and Heathrow Airport (LHR) — including location, terminals, transportation, and travel tips.

Flight distance 9,905.61km
Cheapest one-way ticket price £397
Cheapest return ticket price £947

FAQs for Samui Airport to Heathrow Airport Flights

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

    • The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
    • The distance from Heathrow Airport to downtown is about 23km, by taxi about 40 minutes.
    • The distance from London Luton Airport to downtown is about 44km, by taxi about 1 hour.
  • One-way flights from Samui Airport to Heathrow Airport currently start from £397, and round-trip fares start from £947. The current lowest fare is a Bangkok Airways flight departing on Mon, Dec 21; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Samui Airport to Heathrow Airport is £673. Prices may vary depending on the departure date, airline, and availability.
  • Enter Samui Airport and Heathrow Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.