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Flights from Siem Reap to London Starting at Rs 149,483

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

  • One way
  • Round-trip

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

Find the best time to fly from Siem Reap to London

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.

Airlines Flying from Siem Reap to London

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Thai AirAsia
From Rs 106,610
AirAsia Berhad (Malaysia)
From Rs 110,882
China Eastern Airlines
From Rs 113,438
AirAsia Cambodia
From Rs 117,023
Cambodia Angkor Air
From Rs 122,402
Bangkok Airways
From Rs 123,851
VietJet Air
From Rs 124,118
Thai Airways
From Rs 133,501
Singapore Airlines
From Rs 140,329
Vietnam Airlines
From Rs 141,092

Find more flights and airlines

Alternative Routes from Siem Reap to London

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Siem Reap to London.

  • Cheapest
    Thai AirAsia
    SAI
    16:50
    32h 35m
    2 transfer
    LHR
    18:25
    Siem Reap Angkor International Airport - London Heathrow Airport
    Sat, Jan 18Thai AirAsia
    Rs 106,610
  • AirAsia Berhad (Malaysia)
    SAI
    14:55
    37h 35m
    2 transfer
    LGW
    21:30
    Siem Reap Angkor International Airport - Gatwick Airport
    Sun, Feb 9AirAsia Berhad (Malaysia)
    Rs 110,882
  • AirAsia Berhad (Malaysia)
    SAI
    14:55
    28h 10m
    2 transfer
    STN
    12:05
    Siem Reap Angkor International Airport - London Stansted Airport
    Fri, Feb 14AirAsia Berhad (Malaysia)
    Rs 111,912
  • AirAsia Berhad (Malaysia)
    SAI
    14:55
    28h 10m
    2 transfer
    STN
    12:05
    Siem Reap Angkor International Airport - London Stansted Airport
    Fri, Feb 14AirAsia Berhad (Malaysia)
    Rs 111,912
    Find More Flights

FAQ

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

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

    According to Trip.com's data, the lowest price is around Rs 233,741.
  • What is the transportation method from the main airport to downtown in London?

    • The distance from Gatwick Airport to downtown is about 39 km. It takes about 50 minutes by taxi.
    • The distance from London Heathrow Airport to downtown is about 23 km. It takes about 40 minutes by taxi.
    • The distance from London Luton Airport to downtown is about 44 km. It takes about 1 hour by taxi.

How to find a cheap flight from Siem Reap to London

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 Siem Reap to London. 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 Siem Reap to London

Cheapest nonstop flight priceRs 149,483
Off-season for travelDecember
Peak season for travelSeptember
Flight distance9,783.08 km
Popular airlineThai AirAsia