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Flights from Siem Reap to London
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Book flight tickets from Siem Reap to London starting at ₹ 45,788

Whether you’re going for a one-way or round-trip to London, we’ve got you covered! Check out these different flight options from Siem Reap below.

  • One way
  • Round-trip
      • SAI20:30
        17h 45m
        1 stop
        LHR07:15
        Sat, Dec 28|Siem Reap - London|Vietnam Airlines
        ₹ 45,788₹ 56,169
        18% OFF
        18% OFF
        ₹ 56,169₹ 45,788

        Choose Vietnam Airlines flights from Siem Reap to London. The one-way connecting flight with Vietnam Airlines departs from Siem Reap Angkor International Airport on Sat, Dec 28, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 45,788 including taxes and charges.

      • SAI09:50
        16h 45m
        1 stop
        LHR19:35
        Fri, Dec 27|Siem Reap - London|Thai Airways
        ₹ 45,928₹ 56,169
        18% OFF
        18% OFF
        ₹ 56,169₹ 45,928

        Choose Thai Airways flights from Siem Reap to London. The one-way connecting flight with Thai Airways departs from Siem Reap Angkor International Airport on Fri, Dec 27, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 45,928 including taxes and charges.

      • SAI19:05
        19h 10m
        1 stop
        LHR07:15
        Mon, Jan 27|Siem Reap - London|VietJet Air
        ₹ 48,417₹ 56,169
        14% OFF
        14% OFF
        ₹ 56,169₹ 48,417

        Choose VietJet Air flights from Siem Reap to London. The one-way connecting flight with VietJet Air departs from Siem Reap Angkor International Airport on Mon, Jan 27, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 48,417 including taxes and charges.

      • SAI20:45
        29h 50m
        1 stop
        LHR19:35
        Mon, Jan 20|Siem Reap - London|Thai AirAsia
        ₹ 50,730
        ₹ 50,730

        Choose Thai AirAsia flights from Siem Reap to London. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Mon, Jan 20, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 50,730 including taxes and charges.

      • SAI14:55
        31h 30m
        1 stop
        LHR15:25
        Wed, Jan 15|Siem Reap - London|AirAsia Berhad (Malaysia)
        ₹ 51,163
        ₹ 51,163

        Choose AirAsia Berhad (Malaysia) flights from Siem Reap to London. The one-way connecting flight with AirAsia Berhad (Malaysia) departs from Siem Reap Angkor International Airport on Wed, Jan 15, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 51,163 including taxes and charges.

      • SAI21:35
        16h 40m
        1 stop
        LHR07:15
        Sun, Mar 9|Siem Reap - London|Vietnam Airlines
        ₹ 51,758
        ₹ 51,758

        Choose Vietnam Airlines flights from Siem Reap to London. The one-way connecting flight with Vietnam Airlines departs from Siem Reap Angkor International Airport on Sun, Mar 9, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 51,758 including taxes and charges.

      • SAI20:45
        29h 50m
        1 stop
        LHR19:35
        Fri, Jan 31|Siem Reap - London|Thai AirAsia
        ₹ 51,864
        ₹ 51,864

        Choose Thai AirAsia flights from Siem Reap to London. The one-way connecting flight with Thai AirAsia departs from Siem Reap Angkor International Airport on Fri, Jan 31, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 51,864 including taxes and charges.

      • SAI19:05
        19h 10m
        1 stop
        LHR07:15
        Tue, Jan 21|Siem Reap - London|VietJet Air
        ₹ 51,875
        ₹ 51,875

        Choose VietJet Air flights from Siem Reap to London. The one-way connecting flight with VietJet Air departs from Siem Reap Angkor International Airport on Tue, Jan 21, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 51,875 including taxes and charges.

      • SAI17:55
        20h 20m
        1 stop
        LHR07:15
        Mon, Jan 27|Siem Reap - London|Vietnam Airlines
        ₹ 51,969
        ₹ 51,969

        Choose Vietnam Airlines flights from Siem Reap to London. The one-way connecting flight with Vietnam Airlines departs from Siem Reap Angkor International Airport on Mon, Jan 27, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 51,969 including taxes and charges.

      • SAI21:35
        16h 40m
        1 stop
        LHR07:15
        Wed, Mar 12|Siem Reap - London|Vietnam Airlines
        ₹ 52,156
        ₹ 52,156

        Choose Vietnam Airlines flights from Siem Reap to London. The one-way connecting flight with Vietnam Airlines departs from Siem Reap Angkor International Airport on Wed, Mar 12, arriving at London Heathrow Airport. One-way ticket prices start from ₹ 52,156 including taxes and charges.

      • REP01:00 pm
        3h 5m
        Nonstop
        LON02:00 pm
        Fri, Jan 3|Siem Reap - London|Vietnam Airlines
        Find More Flights
        Find More Flights

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

These price trend charts carefully monitor and predict how flight prices from Siem Reap to London will change. Keep a close eye on them to understand when the best time to buy your tickets is.

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

Which airline provides the cheapest flights from Siem Reap to London? Discover the option that best suits your travel needs before embarking on your journey.

Thai AirAsia
From ₹ 32,656
AirAsia Berhad (Malaysia)
From ₹ 33,964
China Eastern Airlines
From ₹ 34,747
AirAsia Cambodia
From ₹ 35,845
Cambodia Angkor Air
From ₹ 37,493
Bangkok Airways
From ₹ 37,937
VietJet Air
From ₹ 38,018
Thai Airways
From ₹ 40,893
Singapore Airlines
From ₹ 42,984
Vietnam Airlines
From ₹ 43,218

Find more flights and airlines

Alternative Routes from Siem Reap to London

There are various non-direct routes from Siem Reap to London which could be cheaper and faster! Check out these alternative options to see if they could work for your trip.

  • 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
    ₹ 32,656
  • 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)
    ₹ 33,964
  • 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)
    ₹ 34,280
  • 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)
    ₹ 34,280
    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 ₹ 71,597.

  • 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

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
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 price₹ 45,788
Off-season for travelDecember
Peak season for travelSeptember
Flight distance9,783.08 km
Popular airlineThai AirAsia

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