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Flights from London to Siem Reap Starting at NZD 845

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

  • One way
  • Round-trip
      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Mon, Mar 24|London - Siem Reap|Singapore Airlines
        NZD 845NZD 1,091
        23% OFF
        23% OFF
        NZD 1,091NZD 845

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Mon, Mar 24, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 845 including taxes and charges.

      • LGW09:25
        21h 25m
        1 stop
        SAI13:50
        Mon, Mar 3|London - Siem Reap|Singapore Airlines
        NZD 873NZD 1,091
        20% OFF
        20% OFF
        NZD 1,091NZD 873

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from London Gatwick Airport on Mon, Mar 3, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 873 including taxes and charges.

      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Fri, Mar 21|London - Siem Reap|Singapore Airlines
        NZD 878NZD 1,091
        20% OFF
        20% OFF
        NZD 1,091NZD 878

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Fri, Mar 21, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 878 including taxes and charges.

      • LGW09:20
        21h 40m
        1 stop
        SAI14:00
        Sat, Mar 15|London - Siem Reap|Singapore Airlines
        NZD 886
        NZD 886

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from London Gatwick Airport on Sat, Mar 15, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 886 including taxes and charges.

      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Mon, Mar 10|London - Siem Reap|Singapore Airlines
        NZD 888
        NZD 888

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Mon, Mar 10, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 888 including taxes and charges.

      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Mon, Mar 17|London - Siem Reap|Singapore Airlines
        NZD 894
        NZD 894

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Mon, Mar 17, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 894 including taxes and charges.

      • LGW09:25
        21h 35m
        1 stop
        SAI14:00
        Fri, Mar 14|London - Siem Reap|Singapore Airlines
        NZD 898
        NZD 898

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from London Gatwick Airport on Fri, Mar 14, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 898 including taxes and charges.

      • LHR22:05
        32h 45m
        1 stop
        SAI13:50
        Tue, Mar 11|London - Siem Reap|Singapore Airlines
        NZD 902
        NZD 902

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Tue, Mar 11, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 902 including taxes and charges.

      • LHR22:05
        32h 55m
        1 stop
        SAI14:00
        Tue, Mar 18|London - Siem Reap|Singapore Airlines
        NZD 902
        NZD 902

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Tue, Mar 18, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 902 including taxes and charges.

      • LHR10:55
        20h 5m
        1 stop
        SAI14:00
        Wed, Mar 19|London - Siem Reap|Singapore Airlines
        NZD 908
        NZD 908

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Wed, Mar 19, arriving at Siem Reap Angkor International Airport. One-way Prices start from NZD 908 including taxes and charges.

      • LON01:00 pm
        3h 5m
        Nonstop
        REP02:00 pm
        Fri, Feb 14|London - Siem Reap|Singapore Airlines
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

London to Siem Reap flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. W95771

    Wizz Air UK

    06:35

    LGW

    4.0h

    13:35

    IST

    SMTWTFS
    Search

  2. TG901

    Thai Airways

    16:30

    IST

    9.2h

    05:40

    BKK

    SMTWTFS

  3. PG907

    Bangkok Airways

    17:25

    BKK

    1.3h

    18:45

    SAI

    SMTWTFS

  4. SQ305

    Singapore Airlines

    09:25

    LHR

    13.1h

    05:30

    SIN

    SMTWTFS
    Search

  5. AK704

    AirAsia

    10:30

    SIN

    1.1h

    11:35

    KUL

    SMTWTFS

  6. AK540

    AirAsia

    13:05

    KUL

    2.1h

    14:10

    SAI

    S-T-T-S

  7. SQ305

    Singapore Airlines

    09:25

    LHR

    13.1h

    05:30

    SIN

    SMTWTFS
    Search

  8. KT321

    AirAsia Cambodia

    12:50

    SIN

    2.2h

    14:00

    SAI

    -M-W-F-

  9. GF002

    Gulf Air

    09:30

    LHR

    6.7h

    19:10

    BAH

    SMTWTFS
    Search

  10. GF152

    Gulf Air

    22:45

    BAH

    7.2h

    09:55

    BKK

    SMTWTFS

  11. FD618

    Thai AirAsia

    19:00

    DMK

    1.0h

    20:00

    SAI

    SMTWTFS

  12. EK012

    Emirates

    10:05

    LGW

    6.9h

    20:00

    DXB

    SMTWTFS
    Search

  13. EK376

    Emirates

    03:45

    DXB

    6.3h

    13:00

    BKK

    SMTWTFS

  14. FD618

    Thai AirAsia

    19:00

    DMK

    1.0h

    20:00

    SAI

    SMTWTFS

  15. SQ309

    Singapore Airlines

    10:15

    LGW

    13.1h

    06:20

    SIN

    SM--TFS
    Search

  16. KT321

    AirAsia Cambodia

    12:50

    SIN

    2.2h

    14:00

    SAI

    -M-W-F-

  17. MU202

    China Eastern Airlines

    11:35

    LGW

    11.3h

    05:55

    PVG

    SMTWTFS
    Search

  18. MU541

    China Eastern Airlines

    08:50

    PVG

    4.7h

    12:30

    BKK

    SMTWTFS

  19. FD618

    Thai AirAsia

    19:00

    DMK

    1.0h

    20:00

    SAI

    SMTWTFS

  20. MU202

    China Eastern Airlines

    11:35

    LGW

    11.3h

    05:55

    PVG

    SMTWTFS
    Search

  21. MU5820

    China Eastern Airlines

    07:50

    PVG

    3.8h

    11:40

    KMG

    SMTWTFS

  22. MU753

    China Eastern Airlines

    18:40

    KMG

    2.5h

    20:10

    SAI

    --T-T-S

  23. T5428

    Turkmenistan

    16:55

    LGW

    5.9h

    02:50

    ASB

    -----F-
    Search

  24. T5647

    Turkmenistan

    04:20

    ASB

    6.8h

    13:05

    BKK

    ------S

  25. FD618

    Thai AirAsia

    19:00

    DMK

    1.0h

    20:00

    SAI

    SMTWTFS

  26. CZ304

    China Southern Airlines

    22:10

    LHR

    11.9h

    17:05

    CAN

    SMTWTFS
    Search

  27. CZ323

    China Southern Airlines

    22:10

    CAN

    3.0h

    00:10

    PNH

    SMTWTFS

  28. KT102

    AirAsia Cambodia

    07:20

    PNH

    0.8h

    08:05

    SAI

    SMTWTFS
Find more flights and airlines

Find the best time to fly from London to Siem Reap

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.

FAQ

  • When are flight tickets from London (LON) to Siem Reap (REP) the cheapest?

    Airlines adjust prices for flights from London to Siem Reap 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 Siem Reap (REP) cost?

    According to Trip.com's data, the lowest price is around NZD 1,706.

  • 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 39 km. It takes about 50 minutes by taxi.

How to find a cheap flight from London to Siem Reap

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 Siem Reap. 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 Information from London to Siem Reap

Cheapest nonstop flight priceNZD 844
Off-season for travelJanuary
Peak season for travelMay
Flight distance9,783.08 km
Popular airlineBritish Airways

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