Trip.com
>
Flights
>
Flights to Thailand
>
Flights to Surat Thani Province
>
Flights to Koh Samui
>
London to Koh Samui flight
>
Heathrow Airport to Samui International Airport flight

Explore the cheapest one-way and round-trip flights from Heathrow Airport to Samui International Airport over the next 90 days, with one-way fares from JPY 103,300 and round-trip from JPY 157,420. Based on Trip.com's latest 7-day flight data.

    • LHR 9:20 PM
      15h 30m
      1 stop
      USM 7:50 PM
      London - Koh Samui | Wed, Nov 18 | EVA Air
      USM 7:00 AM
      19h 5m
      1 stop
      LHR 7:05 PM
      Koh Samui - London | Fri, Nov 20 | EVA Air
      JPY 157,420 JPY 201,820
      22% off
      22% off
      JPY 201,820 JPY 157,420
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Tue, Nov 17 | EVA Air
      USM 7:00 AM
      19h 5m
      1 stop
      LHR 7:05 PM
      Koh Samui - London | Mon, Nov 23 | Bangkok Airways
      JPY 164,600 JPY 201,820
      18% off
      18% off
      JPY 201,820 JPY 164,600
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Thu, Nov 12 | EVA Air
      USM 9:10 PM
      28h 55m
      1 stop
      LHR 7:05 PM
      Koh Samui - London | Mon, Nov 16 | Bangkok Airways
      JPY 171,160 JPY 201,820
      15% off
      15% off
      JPY 201,820 JPY 171,160
    • LHR 11:50 AM
      24h 45m
      1 stop
      USM 7:35 PM
      London - Koh Samui | Tue, Nov 17 | Thai Airways
      USM 7:00 AM
      30h 40m
      1 stop
      LHR 6:40 AM
      Koh Samui - London | Tue, Nov 24 | Bangkok Airways
      JPY 171,300
      15% off
      JPY 201,820 JPY 171,300
    • LHR 11:50 AM
      36h 20m
      1 stop
      USM 7:10 AM
      London - Koh Samui | Fri, Nov 27 | Thai Airways
      USM 8:35 AM
      18h
      1 stop
      LHR 7:35 PM
      Koh Samui - London | Fri, Dec 4 | Bangkok Airways
      JPY 171,970
      15% off
      JPY 201,820 JPY 171,970
    • LHR 9:35 PM
      15h
      1 stop
      USM 7:35 PM
      London - Koh Samui | Thu, Nov 12 | Thai Airways
      USM 7:00 AM
      19h 35m
      1 stop
      LHR 7:35 PM
      Koh Samui - London | Thu, Nov 19 | Bangkok Airways
      JPY 172,870
      14% off
      JPY 201,820 JPY 172,870
    • LHR 11:50 AM
      17h
      1 stop
      USM 11:50 AM
      London - Koh Samui | Fri, Nov 20 | Thai Airways
      USM 7:00 AM
      30h 40m
      1 stop
      LHR 6:40 AM
      Koh Samui - London | Fri, Nov 27 | Bangkok Airways
      JPY 172,900
      14% off
      JPY 201,820 JPY 172,900
    • LHR 11:50 AM
      22h 50m
      1 stop
      USM 5:40 PM
      London - Koh Samui | Thu, Nov 5 | Thai Airways
      USM 7:00 AM
      19h 35m
      1 stop
      LHR 7:35 PM
      Koh Samui - London | Thu, Nov 12 | Bangkok Airways
      JPY 174,130
      14% off
      JPY 201,820 JPY 174,130
    • LHR 9:35 PM
      15h 15m
      1 stop
      USM 7:50 PM
      London - Koh Samui | Wed, Nov 18 | Thai Airways
      USM 7:00 AM
      30h 40m
      1 stop
      LHR 6:40 AM
      Koh Samui - London | Wed, Nov 25 | Bangkok Airways
      JPY 174,180
      14% off
      JPY 201,820 JPY 174,180
    • LON 1:00 PM
      17h 25m
      1 stop
      USM 2:00 PM
      London - Koh Samui | Fri, Nov 6 | Normal Airline
      USM 3:00 PM
      6h
      Nonstop
      LON 4:00 PM
      Koh Samui - London | Sun, Nov 8 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      LHR 11:50 AM
      36h 20m
      1 stop
      USM 7:10 AM
      London - Koh Samui | Sat, Nov 14 | Thai Airways
      JPY 103,300 JPY 124,890
      17% off
      17% off
      JPY 124,890 JPY 103,300
    • LHR 11:50 AM
      36h 20m
      1 stop
      USM 7:10 AM
      London - Koh Samui | Fri, Nov 27 | Thai Airways
      JPY 103,490 JPY 124,890
      17% off
      17% off
      JPY 124,890 JPY 103,490
    • LHR 9:35 PM
      26h 35m
      1 stop
      USM 7:10 AM
      London - Koh Samui | Thu, Nov 12 | Thai Airways
      JPY 103,610 JPY 124,890
      17% off
      17% off
      JPY 124,890 JPY 103,610
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Tue, Nov 24 | EVA Air
      JPY 104,460
      16% off
      JPY 124,890 JPY 104,460
    • LHR 9:20 PM
      15h 30m
      1 stop
      USM 7:50 PM
      London - Koh Samui | Wed, Nov 25 | EVA Air
      JPY 104,730
      16% off
      JPY 124,890 JPY 104,730
    • LHR 9:20 PM
      26h 50m
      1 stop
      USM 7:10 AM
      London - Koh Samui | Thu, Nov 26 | EVA Air
      JPY 105,250
      16% off
      JPY 124,890 JPY 105,250
    • LHR 9:20 PM
      26h 50m
      1 stop
      USM 7:10 AM
      London - Koh Samui | Mon, Nov 30 | EVA Air
      JPY 105,370
      16% off
      JPY 124,890 JPY 105,370
    • LHR 9:20 PM
      15h 30m
      1 stop
      USM 7:50 PM
      London - Koh Samui | Mon, Nov 23 | EVA Air
      JPY 105,700
      15% off
      JPY 124,890 JPY 105,700
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Thu, Nov 5 | EVA Air
      JPY 106,510
      15% off
      JPY 124,890 JPY 106,510
    • LON 1:00 PM
      17h 25m
      1 stop
      USM 2:00 PM
      London - Koh Samui | Fri, Nov 6 | Normal Airline
      Find more flights
      Find more flights
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Tue, Nov 17 | EVA Air
      JPY 103,890 JPY 173,750
      40% off
      40% off
      JPY 173,750 JPY 103,890
    • LHR 9:20 PM
      15h 30m
      1 stop
      USM 7:50 PM
      London - Koh Samui | Tue, Nov 24 | EVA Air
      JPY 103,990 JPY 173,750
      40% off
      40% off
      JPY 173,750 JPY 103,990
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Mon, Nov 9 | EVA Air
      JPY 104,010 JPY 173,750
      40% off
      40% off
      JPY 173,750 JPY 104,010
    • LHR 9:20 PM
      15h 30m
      1 stop
      USM 7:50 PM
      London - Koh Samui | Mon, Nov 30 | EVA Air
      JPY 109,390
      37% off
      JPY 173,750 JPY 109,390
    • LHR 9:20 PM
      17h
      1 stop
      USM 9:20 PM
      London - Koh Samui | Thu, Dec 3 | EVA Air
      JPY 124,370
      28% off
      JPY 173,750 JPY 124,370
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Thu, Nov 19 | EVA Air
      JPY 126,270
      27% off
      JPY 173,750 JPY 126,270
    • LHR 9:20 PM
      17h
      1 stop
      USM 9:20 PM
      London - Koh Samui | Tue, Dec 1 | EVA Air
      JPY 127,220
      27% off
      JPY 173,750 JPY 127,220
    • LHR 9:20 PM
      17h
      1 stop
      USM 9:20 PM
      London - Koh Samui | Mon, Jan 18 | EVA Air
      JPY 127,480
      27% off
      JPY 173,750 JPY 127,480
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Tue, Nov 10 | EVA Air
      JPY 130,550
      25% off
      JPY 173,750 JPY 130,550
    • LON 1:00 PM
      17h 25m
      1 stop
      USM 2:00 PM
      London - Koh Samui | Fri, Nov 6 | Normal Airline
      Find more flights
      Find more flights
    • LHR 11:50 AM
      14h 30m
      1 stop
      USM 9:20 AM
      London - Koh Samui | Sun, Nov 15 | Thai Airways
      JPY 140,200 JPY 412,960
      66% off
      66% off
      JPY 412,960 JPY 140,200
    • LHR 11:50 AM
      14h 30m
      1 stop
      USM 9:20 AM
      London - Koh Samui | Mon, Nov 23 | Thai Airways
      JPY 161,320 JPY 412,960
      61% off
      61% off
      JPY 412,960 JPY 161,320
    • LHR 11:50 AM
      14h 30m
      1 stop
      USM 9:20 AM
      London - Koh Samui | Thu, Nov 19 | Thai Airways
      JPY 164,340 JPY 412,960
      60% off
      60% off
      JPY 412,960 JPY 164,340
    • LHR 11:50 AM
      14h 30m
      1 stop
      USM 9:20 AM
      London - Koh Samui | Tue, Dec 8 | Thai Airways
      JPY 166,260
      60% off
      JPY 412,960 JPY 166,260
    • LHR 11:50 AM
      14h 30m
      1 stop
      USM 9:20 AM
      London - Koh Samui | Fri, Dec 4 | Thai Airways
      JPY 173,990
      57% off
      JPY 412,960 JPY 173,990
    • LHR 11:50 AM
      14h 30m
      1 stop
      USM 9:20 AM
      London - Koh Samui | Mon, Jan 4 | Thai Airways
      JPY 199,150
      52% off
      JPY 412,960 JPY 199,150
    • LHR 9:35 PM
      15h 10m
      1 stop
      USM 7:45 PM
      London - Koh Samui | Tue, Dec 29 | Thai Airways
      JPY 263,450
      36% off
      JPY 412,960 JPY 263,450
    • LHR 9:35 PM
      15h 10m
      1 stop
      USM 7:45 PM
      London - Koh Samui | Mon, Dec 28 | Thai Airways
      JPY 292,190
      28% off
      JPY 412,960 JPY 292,190
    • LHR 9:35 PM
      15h 10m
      1 stop
      USM 7:45 PM
      London - Koh Samui | Tue, Dec 22 | Thai Airways
      JPY 292,410
      28% off
      JPY 412,960 JPY 292,410
    • LON 1:00 PM
      17h 25m
      1 stop
      USM 2:00 PM
      London - Koh Samui | Fri, Nov 6 | Normal Airline
      Find more flights
      Find more flights
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Mon, Nov 9 | EVA Air
      JPY 104,010 JPY 168,920
      38% off
      38% off
      JPY 168,920 JPY 104,010
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Tue, Nov 10 | EVA Air
      JPY 130,550 JPY 168,920
      23% off
      23% off
      JPY 168,920 JPY 130,550
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Sun, Nov 8 | EVA Air
      JPY 133,240 JPY 168,920
      21% off
      21% off
      JPY 168,920 JPY 133,240
    • LHR 9:20 PM
      15h 30m
      1 stop
      USM 7:50 PM
      London - Koh Samui | Thu, Nov 5 | EVA Air
      JPY 137,040
      19% off
      JPY 168,920 JPY 137,040
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Sat, Nov 7 | EVA Air
      JPY 146,960
      13% off
      JPY 168,920 JPY 146,960
    • LHR 9:20 PM
      16h 5m
      1 stop
      USM 8:25 PM
      London - Koh Samui | Fri, Nov 6 | EVA Air
      JPY 146,960
      13% off
      JPY 168,920 JPY 146,960
    • LON 1:00 PM
      17h 25m
      1 stop
      USM 2:00 PM
      London - Koh Samui | Fri, Nov 6 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from London to Koh Samui 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 Heathrow Airport to Samui International Airport

What is the cheapest month for one-way flights from Heathrow Airport to Samui International Airport?

Data is based on average one-way flight prices from Heathrow Airport to Samui International Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Heathrow Airport to Samui International Airport, the best time to buy is in September, with an average price of JPY 112,100. You’ll want to avoid December, when the average price can reach as high as JPY 199,540.

JPY 199,540
JPY 155,820
JPY 112,100
JPY 68,380
    Cheapest
  • JPY 123,630
    Nov
  • JPY 199,540
    Dec
  • JPY 155,100
    Jan
  • JPY 137,530
    Feb
  • JPY 165,570
    Mar
  • JPY 152,470
    Apr
  • JPY 144,560
    May
  • JPY 148,380
    Jun
  • JPY 155,720
    Jul
  • JPY 137,760
    Aug
  • JPY 112,100
    Sep
  • JPY 136,170
    Oct

What’s the cheapest month to fly round-trip from Heathrow Airport to Samui International Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from Heathrow Airport to Samui International Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, June is typically the cheapest month to find flights from Heathrow Airport to Samui International Airport, with an average price of JPY 185,100. In contrast, December is usually the most expensive month, with average fares reaching JPY 270,220.

JPY 270,220
JPY 227,660
JPY 185,100
JPY 142,540
    Cheapest
  • JPY 204,740
    Nov
  • JPY 270,220
    Dec
  • JPY 240,760
    Jan
  • JPY 219,460
    Feb
  • JPY 213,580
    Mar
  • JPY 248,640
    Apr
  • JPY 227,790
    May
  • JPY 185,100
    Jun
  • JPY 267,730
    Jul
  • JPY 199,650
    Aug
  • JPY 218,630
    Sep
  • JPY 235,090
    Oct

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

The data is based on the past 12 months and shows the average ticket prices from Heathrow Airport to Samui International 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 day to depart from Heathrow Airport to Samui International Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

JPY 161,070
JPY 149,925
JPY 138,780
JPY 127,635
    Cheapest
  • JPY 142,110
    Mon
  • JPY 154,430
    Tue
  • JPY 138,780
    Wed
  • JPY 158,820
    Thu
  • JPY 149,760
    Fri
  • JPY 161,070
    Sat
  • JPY 148,640
    Sun

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

The cheapest airline flying from Heathrow Airport to Samui International Airport is China Eastern Airlines (from JPY 71,360) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

China Eastern Airlines
From JPY 71,360
Shenzhen Airlines
From JPY 71,480
China Southern Airlines
From JPY 74,600
Xiamen Airlines
From JPY 77,070
Austrian Airlines
From JPY 85,300
Air India
From JPY 92,030
Royal Jordanian
From JPY 94,360
Gulf Air
From JPY 95,520
AEGEAN
From JPY 100,490
Air China
From JPY 100,520

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. ZH888

    Heathrow Airport

    10:05 PM

    LHR

    12h 10m

    Nonstop

    5:15 PM

    SZX

    S - T W T F S
    Search

  2. ZH305

    Shenzhen Intl. Airport

    11:55 PM

    SZX

    3h 20m

    Nonstop

    2:15 AM

    BKK

    S M T W T F S

  3. PG101

    Suvarnabhumi Intl. Airport

    6:00 AM

    BKK

    1h 10m

    Nonstop

    7:10 AM

    USM

    S M T W T F S

  4. CZ304

    Heathrow Airport

    10:10 PM

    LHR

    11h 45m

    Nonstop

    4:55 PM

    CAN

    S M T W T F S
    Search

  5. CZ3035

    Baiyun Intl. Airport

    11:35 PM

    CAN

    2h 55m

    Nonstop

    1:30 AM

    BKK

    S M T W T F S

  6. PG101

    Suvarnabhumi Intl. Airport

    6:00 AM

    BKK

    1h 10m

    Nonstop

    7:10 AM

    USM

    S M T W T F S

  7. CZ304

    Heathrow Airport

    10:10 PM

    LHR

    11h 45m

    Nonstop

    4:55 PM

    CAN

    S M T W T F S
    Search

  8. CZ361

    Baiyun Intl. Airport

    8:05 PM

    CAN

    2h 55m

    Nonstop

    10:00 PM

    BKK

    S M T W T F S

  9. PG101

    Suvarnabhumi Intl. Airport

    6:00 AM

    BKK

    1h 10m

    Nonstop

    7:10 AM

    USM

    S M T W T F S

  10. ZH888

    Heathrow Airport

    10:05 PM

    LHR

    12h 10m

    Nonstop

    5:15 PM

    SZX

    S - T W T F S
    Search

  11. ZH305

    Shenzhen Intl. Airport

    11:55 PM

    SZX

    3h 20m

    Nonstop

    2:15 AM

    BKK

    S M T W T F S

  12. PG105

    Suvarnabhumi Intl. Airport

    6:20 AM

    BKK

    1h 10m

    Nonstop

    7:30 AM

    USM

    - M T W T F S

  13. MF822

    Heathrow Airport

    12:30 PM

    LHR

    11h 20m

    Nonstop

    7:50 AM

    XMN

    - - T - T - S
    Search

  14. MF833

    Xiamen Gaoqi Intl. Airport

    2:00 PM

    XMN

    3h 35m

    Nonstop

    4:35 PM

    BKK

    S M T W T F S

  15. PG101

    Suvarnabhumi Intl. Airport

    6:00 AM

    BKK

    1h 10m

    Nonstop

    7:10 AM

    USM

    S M T W T F S

  16. ZH888

    Heathrow Airport

    10:05 PM

    LHR

    12h 10m

    Nonstop

    5:15 PM

    SZX

    S - T W T F S
    Search

  17. ZH309

    Shenzhen Intl. Airport

    10:35 AM

    SZX

    3h

    Nonstop

    12:35 PM

    BKK

    S M T W T F S

  18. PG191

    Suvarnabhumi Intl. Airport

    7:15 PM

    BKK

    1h 10m

    Nonstop

    8:25 PM

    USM

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

About Heathrow Airport and Samui International Airport

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

Flight distance 9,905.61 km
Cheapest one-way ticket price JPY 103,300
Cheapest return ticket price JPY 157,420

FAQs for Heathrow Airport to Samui International Airport Flights

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

    • The distance from Samui Airport to downtown is about 3 km. It takes about 20 minutes by taxi.
  • One-way flights from Heathrow Airport to Samui International Airport currently start from JPY 103,300, and round-trip fares start from JPY 157,420. The current lowest fare is a Thai Airways flight departing on Sat, Nov 14; 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 Heathrow Airport to Samui International Airport is JPY 143,780. Prices may vary depending on the departure date, airline, and availability.
  • Enter Heathrow Airport and Samui International 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.

Popular Destinations

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.