Cheap Flights from Siem Reap to London from £296️ (REP-LON)

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Flights from Siem Reap to London Starting at CNY 296

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.

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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 £273

VietJet Air

From £288

Cambodia Angkor Air

From £292

Bangkok Airways

From £310

AirAsia Berhad (Malaysia)

From £326

Vietnam Airlines

From £328

China Eastern Airlines

From £369

Thai Airways

From £441

Turkish Airlines

From £447

Singapore Airlines

From £488

ANA airlines

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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
SAI
15:15
45h 25m
2 transfer
LGW
06:40
Siem Reap Angkor International Airport - London Gatwick Airport
Sun, Jun 16Thai AirAsia
£275
SAI
14:55
34h 15m
2 transfer
LHR
19:10
Siem Reap Angkor International Airport - London Heathrow Airport
Wed, May 22AirAsia
£326
SAI
14:55
28h 0m
2 transfer
STN
12:55
Siem Reap Angkor International Airport - London Stansted Airport
Wed, Jun 26AirAsia
£392
SAI
14:55
28h 0m
2 transfer
STN
12:55
Siem Reap Angkor International Airport - London Stansted Airport
Wed, Jun 26AirAsia
£392
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How do I find the cheapest flights?

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 cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Siem Reap (REP) to London (LON) cost?
According to Trip.com's data, the lowest price is around £606.
What is the transportation method from the main airport to downtown in London?
- The distance from London Gatwick Airport to downtown is about 39km, by taxi about 50 minutes.
- The distance from London Heathrow Airport to downtown is about 23km, by taxi about 40 minutes.
- The distance from London Luton Airport to downtown is about 44km, by taxi about 1 hour.
How many airports in London (LON)?
There are 7 airport(s) in London (LON): London Biggin Hill Airport, London City Airport, London Gatwick Airport, London 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.

Book Early

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Check One-way Fares

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