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Cheap flight deals from London to Siem Reap Starting at IDR 8,122,055

Discover our range of affordable one-way and round-trip flights from London to Siem Reap and kick-start your next adventure today!

  • One way
  • Round-trip
      • LGW09:25
        21h 25m
        1 stop
        SAI13:50
        Mon, Mar 3|London - Siem Reap|Singapore Airlines
        IDR 8,122,055IDR 10,598,630
        23% OFF
        23% OFF
        IDR 10,598,630IDR 8,122,055

        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 IDR 8,122,055 including taxes and charges.

      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Fri, Mar 21|London - Siem Reap|Singapore Airlines
        IDR 8,162,441IDR 10,598,630
        23% OFF
        23% OFF
        IDR 10,598,630IDR 8,162,441

        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 IDR 8,162,441 including taxes and charges.

      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Mon, Mar 24|London - Siem Reap|Singapore Airlines
        IDR 8,231,995IDR 10,598,630
        22% OFF
        22% OFF
        IDR 10,598,630IDR 8,231,995

        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 IDR 8,231,995 including taxes and charges.

      • LGW09:20
        21h 40m
        1 stop
        SAI14:00
        Sat, Mar 15|London - Siem Reap|Singapore Airlines
        IDR 8,240,969
        IDR 8,240,969

        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 IDR 8,240,969 including taxes and charges.

      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Mon, Mar 10|London - Siem Reap|Singapore Airlines
        IDR 8,261,162
        IDR 8,261,162

        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 IDR 8,261,162 including taxes and charges.

      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Mon, Mar 17|London - Siem Reap|Singapore Airlines
        IDR 8,319,497
        IDR 8,319,497

        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 IDR 8,319,497 including taxes and charges.

      • LHR22:05
        32h 45m
        1 stop
        SAI13:50
        Tue, Mar 11|London - Siem Reap|Singapore Airlines
        IDR 8,389,051
        IDR 8,389,051

        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 IDR 8,389,051 including taxes and charges.

      • LHR09:10
        21h 40m
        1 stop
        SAI13:50
        Fri, Mar 7|London - Siem Reap|Singapore Airlines
        IDR 8,510,209
        IDR 8,510,209

        Choose Singapore Airlines flights from London to Siem Reap. The one-way connecting flight with Singapore Airlines departs from Heathrow Airport on Fri, Mar 7, arriving at Siem Reap Angkor International Airport. One-way Prices start from IDR 8,510,209 including taxes and charges.

      • LHR09:10
        21h 50m
        1 stop
        SAI14:00
        Wed, Mar 19|London - Siem Reap|Singapore Airlines
        IDR 8,631,366
        IDR 8,631,366

        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 IDR 8,631,366 including taxes and charges.

      • LGW09:25
        21h 35m
        1 stop
        SAI14:00
        Fri, Mar 14|London - Siem Reap|Singapore Airlines
        IDR 8,736,818
        IDR 8,736,818

        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 IDR 8,736,818 including taxes and charges.

      • LON01:00 pm
        3h 5m
        Nonstop
        REP02:00 pm
        Fri, Feb 21|London - Siem Reap|Singapore 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 Siem Reap flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. QR006

    Qatar Airways

    08:05

    LHR

    6.8h

    16:55

    DOH

    SMTWTFS
    Search

  2. QR830

    Qatar Airways

    20:30

    DOH

    6.8h

    07:20

    BKK

    SMTWTFS

  3. FD614

    Thai AirAsia

    14:50

    DMK

    1.0h

    15:50

    SAI

    SMTWTFS

  4. SQ305

    Singapore Airlines

    09:10

    LHR

    12.8h

    06:00

    SIN

    SMTWTFS
    Search

  5. AK704

    AirAsia

    10:30

    SIN

    1.1h

    11:35

    KUL

    SMTWTFS

  6. AK540

    AirAsia

    13:05

    KUL

    2.2h

    14:15

    SAI

    S-TWT-S

  7. SQ305

    Singapore Airlines

    09:10

    LHR

    12.8h

    06:00

    SIN

    SMTWTFS
    Search

  8. KT321

    AirAsia Cambodia

    12:50

    SIN

    2.2h

    14:00

    SAI

    -M-W-F-

  9. GF002

    Gulf Air

    10:00

    LHR

    6.3h

    18:15

    BAH

    SMTWTFS
    Search

  10. GF152

    Gulf Air

    22:45

    BAH

    6.5h

    09:15

    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. MH003

    Malaysia Airlines

    11:00

    LHR

    13.3h

    07:15

    KUL

    SMTWTFS
    Search

  18. AK540

    AirAsia

    13:05

    KUL

    2.2h

    14:15

    SAI

    S-TWT-S

  19. MU202

    China Eastern Airlines

    11:35

    LGW

    11.3h

    05:55

    PVG

    SMTWTFS
    Search

  20. MU541

    China Eastern Airlines

    09:05

    PVG

    4.4h

    12:30

    BKK

    SMTWTFS

  21. FD618

    Thai AirAsia

    19:00

    DMK

    1.0h

    20:00

    SAI

    SMTWTFS

  22. MU202

    China Eastern Airlines

    11:35

    LGW

    11.3h

    05:55

    PVG

    SMTWTFS
    Search

  23. MU5820

    China Eastern Airlines

    07:50

    PVG

    3.8h

    11:40

    KMG

    SMTWTFS

  24. MU753

    China Eastern Airlines

    18:40

    KMG

    2.5h

    20:10

    SAI

    --T-T-S

  25. T5428

    Turkmenistan

    16:55

    LGW

    5.9h

    02:50

    ASB

    -----F-
    Search

  26. T5647

    Turkmenistan

    04:20

    ASB

    6.8h

    13:05

    BKK

    ------S

  27. FD618

    Thai AirAsia

    19:00

    DMK

    1.0h

    20:00

    SAI

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from London to Siem Reap?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Siem Reap from London have changed and are set to move below.

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 Siem Reap (REP) the cheapest?

    Airlines adjust prices for flights from London to Siem Reap based on the date and time of your booking. By analyzing data from all airlines, 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 IDR 15,869,418.

  • 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, by taxi about 50 minutes.

  • How many airports are there in Siem Reap (REP)?

    There are 1 airport(s) near Siem Reap (REP): Siem Reap Angkor International Airport.

How to find a cheap flight from London to Siem Reap

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
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 Siem Reap

Cheapest direct flight priceIDR 8,122,055
Off-season for travelJanuary
Peak season for travelMay
Flight distance9,783.08 km
Popular airlineSingapore Airlines

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