Cheap flights from United Kingdom to Siem Reap

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How to find the cheapest flight from
United Kingdom to Siem Reap (REP)

All the information you need to plan the best null to REP flight in 2022: compare United Kingdom to Siem Reap flight prices with the expected peak season, weather and rainfall in Siem Reap.
What is the cheapest month to fly from United Kingdom to Siem Reap?

The best pricing can be found in the month of October. Prices to Siem Reap from United Kingdom average £767. You can even find prices in October for less than £767, as users have found deals to Siem Reap from as low as £570. The month of November appears to be one of the more expensive times to travel to Siem Reap from United Kingdom. Flying in the targeted month can save you up to 29%.

How far in advance should I book a flight from United Kingdom to Siem Reap?

Users have found that booking a flight from United Kingdom to Siem Reap at least 35 days early can save you up to 28% on average compared to booking a flight this week. If booking 35 days before your flight isn’t an option for you, users have found flights from United Kingdom to Siem Reap for as little as £846 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £1,013 for flights departing within the next 3 days.

When is the cheapest time to fly from United Kingdom to Siem Reap (GB - REP)?

When flying from United Kingdom to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from United Kingdom to Siem Reap in June, July 2022

The best prices found for United Kingdom to REP flights in June, July
6 Jul - 23 Jul
£1,358pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
REP
Siem Reap
REP
Siem Reap
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
10 Jul - 19 Jul
£1,395pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
REP
Siem Reap
REP
Siem Reap
Multiple Airlines
 
1 STOP
LHR
London Heathrow
6 Jul - 24 Jul
£1,411pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
REP
Siem Reap
REP
Siem Reap
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

United Kingdom to Siem Reap 2022 flight deals

Cheap flights to Siem Reap from United Kingdom found for this year
5 Dec - 23 Dec
£712pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
 
1 STOP
LHR
London Heathrow
5 Dec - 20 Dec
£717pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
 
1 STOP
LHR
London Heathrow
6 Dec - 19 Dec
£722pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
REP
Siem Reap
REP
Siem Reap
Singapore Airlines
 
1 STOP
LHR
London Heathrow

Last-minute flights from United Kingdom to Siem Reap

Late deals on return flights to Siem Reap from United Kingdom, departing today and this week
6 Jul - 23 Jul
£1,358pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
REP
Siem Reap
REP
Siem Reap
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
10 Jul - 19 Jul
£1,395pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
REP
Siem Reap
REP
Siem Reap
Multiple Airlines
 
1 STOP
LHR
London Heathrow
6 Jul - 24 Jul
£1,411pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
REP
Siem Reap
REP
Siem Reap
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Siem Reap from United Kingdom

The cheapest one-way flights from United Kingdom to Siem Reap
04:45 - 07:40
Multiple Airlines
2 stops
20h 55m
MAN - REP
Multiple Airlines
£400
Kiwi.com
03:30 - 07:40
Multiple Airlines
2 stops
22h 10m
LGW - REP
Multiple Airlines
£416
Kiwi.com
03:20 - 07:40
Multiple Airlines
2 stops
22h 20m
LGW - REP
Multiple Airlines
£423
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">United Kingdom</span> to <span class="emphasized">Siem Reap</span> flights.

Flight FAQs

From United Kingdom to Siem Reap

What airport do you fly into for flights to Siem Reap from United Kingdom?

Most people fly into Siem Reap (REP) if they book a flight to Siem Reap from United Kingdom. Siem Reap is conveniently located just 4.6 mi from Siem Reap’s city center.

Which airlines flying from United Kingdom to Siem Reap have flexible cancellations due to COVID-19?

Some of the carriers operating flights from United Kingdom to Siem Reap that may be offering flexible cancellation policies are Singapore Airlines, China Southern, and Cathay Pacific. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from United Kingdom to Siem Reap for under £800 on Cheapflights?

Yes, there are multiple flights from United Kingdom to Siem Reap for under £800. The cheapest flight booked recently is on Singapore Airlines for just £712, but on average you can expect to pay £755.

Are there last-minute flights available from United Kingdom to Siem Reap for under £1,400?

There are currently 20+ open flights from United Kingdom to Siem Reap within the next 7 days for less than £1,400.

What are the most popular airlines that fly from United Kingdom to Siem Reap?

The most popular airlines flying from United Kingdom to Siem Reap are Cathay Pacific, China Southern and China Eastern. Something to consider prior to booking your flight.

What are the most popular routes from United Kingdom to Siem Reap?

When deciding which route to take from United Kingdom to Siem Reap consider London Heathrow - Siem Reap, London Gatwick - Siem Reap or London City - Siem Reap as they are the most popular.

What are the cheapest flights from United Kingdom to Siem Reap?

On average you can expect to pay £2,256 for a flight from United Kingdom to Siem Reap. The cheapest flight overall is £836 while the most popular route, (London Heathrow - Siem Reap) is currently priced at £722.

Related searches

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Hire a Car

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COVID Restrictions

View COVID Travel Restrictions for Siem Reap, Cambodia

Do I need a COVID test to fly to Siem Reap from United Kingdom?

Information is based on travel restrictions from United Kingdom to Siem Reap

Most visitors from United Kingdom need to provide a negative COVID-19 test result and/or quarantine to enter Siem Reap.

COVID-19 testing requirements
Visitors from United Kingdom are not required to present a negative COVID-19 PCR test or antigen result upon entering Siem Reap.

Quarantine requirements
Visitors from United Kingdom are not required to quarantine after entering Siem Reap.

Do I need a test to fly back to United Kingdom from Siem Reap?

Returning to United Kingdom from Siem Reap

COVID-19 testing requirements
Visitors from Siem Reap are not required to present a negative COVID-19 PCR test or antigen result upon entering United Kingdom.

Quarantine requirements
Visitors from Siem Reap are not required to quarantine after entering United Kingdom.

Hide COVID Travel Restrictions for Siem Reap, Cambodia

Departure points for flights from United Kingdom to Siem Reap

Select to see more specific information for flights to Siem Reap from all departure points in United Kingdom.

Destination information for Siem Reap

Things to know before you go - useful duration and weather info for your trip from United Kingdom to Siem Reap.
Today's exchange rate
£1 = 4,865.32៛

Airports servicing Siem Reap

Top 8 airlines flying from United Kingdom to Siem Reap

The chart below displays the airlines Cheapflights users travelling from United Kingdom to Siem Reap choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
China Southern
£375 £723 No cancel fee 69%
Search China Southern flights
Cathay Pacific
£519 £719 No cancel fee 72%
Search Cathay Pacific flights
Singapore Airlines
£647 £859 No cancel fee 81%
Search Singapore Airlines flights
British Airways
£687 £762 No cancel fee 70%
Search British Airways flights
Finnair
£718 £834 No cancel fee 76%
Search Finnair flights
Emirates
£768 £815 No cancel fee 75%
Search Emirates flights
Qatar Airways
£776 £927 No cancel fee 68%
Search Qatar Airways flights
Thai Airways
£806 £1,047 No cancel fee 77%
Search Thai Airways flights
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