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London Heathrow Airport to Siem Reap flight
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Cheap Flights from London Heathrow Airport to Siem Reap

Search for flights from London Heathrow Airport to Siem Reap and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • LHR21:45
        34h 25m
        2 stops
        SAI14:10
        London - Siem Reap|Sat, Jun 1|Saudia
        THB 15,427THB 21,185
        27% OFF
        27% OFF
        THB 21,185THB 15,427
      • LHR17:50
        38h 20m
        2 stops
        SAI14:10
        London - Siem Reap|Wed, Jun 5|Saudia
        THB 15,477THB 21,185
        27% OFF
        27% OFF
        THB 21,185THB 15,477
      • LHR22:05
        27h 45m
        2 stops
        SAI07:50
        London - Siem Reap|Sun, Jun 2|Shenzhen Airlines
        THB 15,795THB 21,185
        25% OFF
        25% OFF
        THB 21,185THB 15,795
      • LHR22:10
        34h
        2 stops
        SAI14:10
        London - Siem Reap|Wed, Jun 5|China Southern Airlines
        THB 15,895
        THB 15,895
      • LHR21:45
        28h 5m
        2 stops
        SAI07:50
        London - Siem Reap|Sun, May 26|Saudia
        THB 16,011
        THB 16,011
      • LHR22:10
        34h
        2 stops
        SAI14:10
        London - Siem Reap|Sat, Jun 1|China Southern Airlines
        THB 16,061
        THB 16,061
      • LHR21:45
        28h 5m
        2 stops
        SAI07:50
        London - Siem Reap|Thu, May 30|Saudia
        THB 16,132
        THB 16,132
      • LHR22:00
        31h 10m
        2 stops
        SAI11:10
        London - Siem Reap|Mon, Jun 3|Shenzhen Airlines
        THB 16,303
        THB 16,303
      • LHR22:05
        34h 5m
        2 stops
        SAI14:10
        London - Siem Reap|Wed, Jun 5|Shenzhen Airlines
        THB 16,343
        THB 16,343
      • LHR22:00
        31h 10m
        2 stops
        SAI11:10
        London - Siem Reap|Mon, Jun 10|Shenzhen Airlines
        THB 16,540
        THB 16,540
      • LHR13:00
        3h 5m
        Direct
        REP14:00
        London - Siem Reap|Tue, May 28|Saudia
        Find More Flights
        Find More Flights

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

Selected Airlines from London Heathrow Airport to Siem Reap

See which airlines fly from London Heathrow Airport to Siem Reap. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

British Airways
From THB 15,266
Saudia
From THB 15,427
Shenzhen Airlines
From THB 15,795
China Southern Airlines
From THB 15,895
Gulf Air
From THB 17,411
Oman Air
From THB 17,724
Etihad Airways
From THB 17,950
Qatar Airways
From THB 18,338
Air China
From THB 18,806
Singapore Airlines
From THB 19,647
ANA airlines
Find more flights and airlines

Airports in Siem Reap

Learn about different airports in Siem Reap, find the best flight and transfer options, and plan your journey.

  • 40.5 km from central Siem Reap
    Siem Reap Angkor International Airport
    Tickets From
    THB 15,266
Flight Schedule from London Heathrow Airport to Siem Reap

Check the schedule for flights from London Heathrow Airport to Siem Reap and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. QR006

    Qatar Airways

    08:05

    LHR

    6.8h

    16:50

    DOH

    SMTWTFS
    Search

  2. QR838

    Qatar Airways

    19:15

    DOH

    6.9h

    06:10

    BKK

    SMTWTFS

  3. FD610

    Thai AirAsia

    10:10

    DMK

    1.0h

    11:10

    SAI

    S-T-TFS

  4. QR010

    Qatar Airways

    08:35

    LHR

    6.7h

    18:15

    DOH

    SMTWTFS
    Search

  5. QR830

    Qatar Airways

    20:35

    DOH

    6.5h

    07:05

    BKK

    SMTWTFS

  6. FD614

    Thai AirAsia

    13:30

    DMK

    1.0h

    14:30

    SAI

    SMTWTFS

  7. QR010

    Qatar Airways

    08:35

    LHR

    6.7h

    18:15

    DOH

    SMTWTFS
    Search

  8. QR844

    Qatar Airways

    19:15

    DOH

    7.6h

    07:50

    KUL

    SMTWTFS

  9. AK540

    AirAsia

    13:05

    KUL

    2.1h

    14:10

    SAI

    S-T-T-S

  10. QR010

    Qatar Airways

    08:35

    LHR

    6.7h

    18:15

    DOH

    SMTWTFS
    Search

  11. QR838

    Qatar Airways

    19:15

    DOH

    6.9h

    06:10

    BKK

    SMTWTFS

  12. FD610

    Thai AirAsia

    10:10

    DMK

    1.0h

    11:10

    SAI

    S-T-TFS

  13. BA306

    British Airways

    08:40

    LHR

    1.3h

    11:00

    CDG

    SMTWT-S
    Search

  14. VN018

    Vietnam Airlines

    14:00

    CDG

    11.6h

    06:35

    HAN

    SM-WTFS

  15. VN837

    Vietnam Airlines

    15:25

    HAN

    1.8h

    17:10

    SAI

    SMTWTFS

  16. EY012

    Etihad Airways

    09:30

    LHR

    6.9h

    19:25

    AUH

    SMTWTFS
    Search

  17. EY408

    Etihad Airways

    22:15

    AUH

    6.6h

    07:50

    BKK

    SMTWTFS

  18. FD614

    Thai AirAsia

    13:30

    DMK

    1.0h

    14:30

    SAI

    SMTWTFS

  19. GF002

    Gulf Air

    10:00

    LHR

    6.3h

    18:15

    BAH

    SMTWTFS
    Search

  20. GF152

    Gulf Air

    22:50

    BAH

    6.7h

    09:30

    BKK

    -M-W-F-

  21. FD614

    Thai AirAsia

    13:30

    DMK

    1.0h

    14:30

    SAI

    SMTWTFS

  22. ZH9068

    Shenzhen Airlines

    22:00

    LHR

    12.2h

    17:10

    SZX

    --T-TF-
    Search

  23. ZH8023

    Shenzhen Airlines

    23:00

    SZX

    4.3h

    03:20

    KUL

    S-T-T-S

  24. AK542

    AirAsia

    06:40

    KUL

    2.2h

    07:50

    SAI

    -M---F-

  25. CA856

    Air China

    22:05

    LHR

    9.5h

    14:35

    PEK

    SMTWTFS
    Search

  26. CA871

    Air China

    16:25

    PEK

    6.6h

    23:00

    KUL

    SMTWTF-

  27. AK542

    AirAsia

    06:40

    KUL

    2.2h

    07:50

    SAI

    -M---F-

  28. CZ304

    China Southern Airlines

    22:10

    LHR

    11.9h

    17:05

    CAN

    SMTWTFS
    Search

  29. CZ8071

    China Southern Airlines

    21:00

    CAN

    4.2h

    01:10

    KUL

    SMTWTFS

  30. AK542

    AirAsia

    06:40

    KUL

    2.2h

    07:50

    SAI

    -M---F-
Find more flights and airlines

Flight Info of Flights from London Heathrow Airport to Siem Reap

Cheapest nonstop flight price

THB 19,571

Off-season for travel

April

Peak season for travel

August

FAQs for London Heathrow Airport to Siem Reap Flights

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

    • The distance from Siem Reap Angkor International Airport to downtown is about 39km. It takes about 50 minutes by taxi.

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