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Flights from Siem Reap to London
Cheap flight deals from Siem Reap to London
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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SAI 14:5531h 40m1 stopsLHR 16:35Siem Reap - London | Tue, May 6 | AirAsiaLHR 11:0021h 15m1 stopsSIN 14:15London - Siem Reap | Tue, May 13 | Malaysia AirlinesAED 3,466 AED 5,80140% OFF40% OFFAED 5,801 AED 3,466
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SAI 14:5531h 40m1 stopsLHR 16:35Siem Reap - London | Mon, Apr 28 | AirAsiaLHR 11:0021h 10m1 stopsSIN 14:10London - Siem Reap | Fri, May 2 | Malaysia AirlinesAED 3,894 AED 5,80133% OFF33% OFFAED 5,801 AED 3,894
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SAI 18:0529h1 stopsLHR 17:05Siem Reap - London | Sun, Jun 8 | Vietnam AirlinesLHR 19:5015h 20m1 stopsSAI 17:10London - Siem Reap | Sun, Jun 15 | Vietnam AirlinesAED 4,028 AED 5,80131% OFF31% OFFAED 5,801 AED 4,028
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SAI 18:0528h 50m1 stopsLHR 16:55Siem Reap - London | Tue, May 6 | Vietnam AirlinesLHR 19:5015h 40m1 stopsSIN 17:30London - Siem Reap | Tue, May 13 | Vietnam AirlinesAED 4,06030% OFFAED 5,801 AED 4,060
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SAI 18:2028h 35m1 stopsLHR 16:55Siem Reap - London | Wed, May 14 | Vietnam AirlinesLHR 18:5516h 15m1 stopsSAI 17:10London - Siem Reap | Wed, May 21 | Vietnam AirlinesAED 4,07230% OFFAED 5,801 AED 4,072
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SAI 19:1027h 45m1 stopsLHR 16:55Siem Reap - London | Wed, May 21 | Vietnam AirlinesLHR 18:5516h 15m1 stopsSAI 17:10London - Siem Reap | Wed, May 28 | Vietnam AirlinesAED 4,11928% OFFAED 5,801 AED 4,119
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SAI 19:1028h 40m1 stopsLHR 17:50Siem Reap - London | Mon, May 19 | Vietnam AirlinesLHR 18:5516h 15m1 stopsSAI 17:10London - Siem Reap | Mon, May 26 | Vietnam AirlinesAED 4,15328% OFFAED 5,801 AED 4,153
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SAI 18:0529h1 stopsLHR 17:05Siem Reap - London | Sun, May 18 | Vietnam AirlinesLHR 19:5015h 20m1 stopsSAI 17:10London - Siem Reap | Sun, May 25 | Vietnam AirlinesAED 4,19728% OFFAED 5,801 AED 4,197
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SAI 19:1027h 45m1 stopsLHR 16:55Siem Reap - London | Wed, Jun 4 | Vietnam AirlinesLHR 19:5015h 20m1 stopsSAI 17:10London - Siem Reap | Sun, Jun 8 | Vietnam AirlinesAED 4,21927% OFFAED 5,801 AED 4,219
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SAI 18:2028h 35m1 stopsLHR 16:55Siem Reap - London | Wed, May 7 | Vietnam AirlinesLHR 18:5516h 15m1 stopsSAI 17:10London - Siem Reap | Wed, May 14 | Vietnam AirlinesAED 4,23527% OFFAED 5,801 AED 4,235
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REP 13:0017h 25m1 stopsLON Invalid DateSiem Reap - London | Fri, Apr 18 | Normal AirlineLON 15:006hNonstopREP 16:00London - Siem Reap | Sun, Apr 20 | Normal AirlineFind More FlightsFind More Flights
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SAI 14:5531h 40m1 stopsLHR 16:35Siem Reap - London | Mon, May 19 | AirAsiaAED 1,565 AED 2,54238% OFF38% OFFAED 2,542 AED 1,565
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SAI 14:5531h 40m1 stopsLHR 16:35Siem Reap - London | Tue, May 20 | AirAsiaAED 1,565 AED 2,54238% OFF38% OFFAED 2,542 AED 1,565
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SAI 14:5531h 40m1 stopsLHR 16:35Siem Reap - London | Mon, Jun 9 | AirAsiaAED 1,624 AED 2,54236% OFF36% OFFAED 2,542 AED 1,624
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SAI 15:1533h 55m1 stopsLHR 19:10Siem Reap - London | Fri, Jun 13 | Thai AirAsiaAED 1,77530% OFFAED 2,542 AED 1,775
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SAI 15:1533h 55m1 stopsLHR 19:10Siem Reap - London | Thu, May 8 | Thai AirAsiaAED 1,78430% OFFAED 2,542 AED 1,784
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SAI 11:5525h 20m1 stopsLHR 07:15Siem Reap - London | Sun, Jun 8 | Thai AirAsiaAED 1,79428% OFFAED 2,542 AED 1,794
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SAI 11:5537h 15m1 stopsLHR 19:10Siem Reap - London | Wed, May 7 | Thai AirAsiaAED 1,79728% OFFAED 2,542 AED 1,797
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SAI 15:1522h1 stopsLHR 07:15Siem Reap - London | Mon, May 19 | Thai AirAsiaAED 1,79828% OFFAED 2,542 AED 1,798
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SAI 11:5525h 20m1 stopsLHR 07:15Siem Reap - London | Tue, Jun 3 | Thai AirAsiaAED 1,80528% OFFAED 2,542 AED 1,805
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SAI 15:1522h1 stopsLHR 07:15Siem Reap - London | Mon, May 12 | Thai AirAsiaAED 1,85627% OFFAED 2,542 AED 1,856
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REP 13:0017h 25m1 stopsLON Invalid DateSiem Reap - London | Fri, Apr 18 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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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 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 Siem Reap (REP) to London (LON) cost?
According to Trip.com's data, the lowest price is around AED 3,154. -
How many airports are there in London (LON)?
There are 6 airport(s) near London (LON): London City Airport, London Gatwick Airport, Heathrow Airport, London Luton Airport, London Southend Airport and London Stansted Airport.
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.
Being flexible with your dates to get the cheapest Siem Reap to London ticket.
Tap "Date" on flight search bar to scan through the calender for Siem Reap to London airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, May 19 at AED 1565 for one-way flights.
Compare cheap Siem Reap to London flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Siem Reap to London. The cheapest airline operating is AirAsia.
Set up a Price Alert
By setting up a Price Alert for your Siem Reap to London route, you can easily track the price of your airline tickets from without manually checking every day.
Don't miss cheap Siem Reap to London flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Siem Reap to London to get exclusive deals for you.
Flight Info | Siem Reap to London
Cheapest one-way flight price | AED 1,774 |
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Off-season for travel | February |
Peak season for travel | January |
Flight distance | 9,783.08 km |
Popular airline | Emirates |
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