Cheap flights to Siem Reap, Cambodia
Flights to Siem Reap, Cambodia in 2025
Find the latest flights to Siem Reap in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 12 July 2025.
Popular in | December |
|---|---|
Cheapest in | September |
Average price | £1,049 |
Best time to book a flight to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Siem Reap
When is the best time to book a flight to Siem Reap?
Use this chart to determine the optimal time to book a return flight from London to Siem Reap. Price data was last updated on 27 June 2025.
The price you pay for your flight to Siem Reap may vary depending on when you book. For the best chance of a lower fare, look to book 45 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What are the most popular airlines that fly to Siem Reap?
The most popular airlines flying from London to Siem Reap are Singapore Airlines, Vietnam Airlines and Thai Airways.
What are the cheapest airlines that fly to Siem Reap?
The cheapest airlines flying from London to Siem Reap are Vietnam Airlines, Singapore Airlines and Lufthansa.
Rainfall in Siem Reap by month
Plan your trip to Siem Reap by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.
Temperature in Siem Reap by month
Plan your trip to Siem Reap by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).
FAQs about flying to Siem Reap
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