LON - REP
£518 - £981
High demand for flights, 33% potential price rise
Best time to find cheap flights, 21% potential price drop
Average for round-trip flights in October 2020
From London to Siem Reap
It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Users have found that booking a flight from London to Siem Reap at least 57 days early can save you up to 9% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from London to Siem Reap for as little as £640 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 £663 for flights departing within the next 3 days.
September is one of the best times of the year to fly to Siem Reap from London. Prices for September average £655 per person but you can even find prices for as low as £333. The most expensive prices can be found in the month of December. Opting for a September flight can save you 49% on your journey compared to booking in September
It’s typically best to fly out from London to Siem Reap in the morning. Doing so could potentially save you 26% on the flight price compared to flying at midday, which is usually more expensive.
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Siem Reap for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
China Southern, Cathay Pacific, and Qatar Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Yes, there are multiple flights from London to Siem Reap for under £541. The cheapest flight booked recently is on Cathay Pacific for just £538, but on average you can expect to pay £602.
There are no direct flights from London to Siem Reap, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Cathay Pacific, Finnair, and KLM can get you from London to Siem Reap in just under 15h 35m. Your travel time can differ by up to 3h 55m. Both multi-stop and direct flights can be found to your destination and back.
Flying on Cathay Pacific is currently your cheapest option to Siem Reap, with prices starting at £538. Additional return tickets that might be worth considering are offered by Singapore Airlines and Vietnam Airlines, with the lowest prices starting at £584 and £611, respectively. These flights start at 17% lower than the current average price 3 months from now.