Cheap flights from Heathrow to Siem Reap

Flight FAQs

From Heathrow to Siem Reap

Are flight prices decreasing from Heathrow to Siem Reap due to COVID-19 (coronavirus)?

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 Heathrow 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.

Which airlines flying from London Heathrow to Siem Reap have flexible cancellations due to COVID-19?

Some of our airline partners flying from London Heathrow to Siem Reap have new flexible policies in place due to COVID-19. Thai Airways, China Southern, and Vietnam Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Thai Airways with this kind of flexibility.

Can I find flights from Heathrow to Siem Reap for under £728 on Cheapflights?

Yes, there are multiple flights from Heathrow to Siem Reap for under £728. The cheapest flight booked recently is on Multiple Airlines for just £673, but on average you can expect to pay £1,644.

Are there direct flights from Heathrow to Siem Reap for under £655 on Cheapflights?

There are no direct flights from Heathrow to Siem Reap, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.