From most locations, the cheapest flights to Siem Reap can be found during the month of March; however great deals can be found at other times.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Siem Reap.
In general, booking your departure to Siem Reap for a Sunday represents the best deal on airfare. Try to avoid a Tuesday departure to stay away from the highest prices.
In general, when looking for the cheapest flight to Siem Reap, our data indicates that evening flights are the most cost-effective. morning flights tend to be the most expensive.