How much do flights from Denver to Siem Reap cost?

Round-trip fares from Denver to Siem Reap have recently been found around $817. That's 12% below the historical average. Prices are checked multiple times daily.

When is the best time to fly to Siem Reap?

Right now is notable because: Pchum Ben. The current travel window is Oct 10 – Oct 10, and Siem Reap has a GO Score of 65/100.

Is Siem Reap safe to visit?

Siem Reap is a popular travel destination, but safety depends on the specific area and current local conditions. Always check your government's official travel advisories before booking, and follow local guidance once on the ground. Our GO Score tracks flights, weather, currency, and events — not safety directly.

How many hours is the flight from Denver to Siem Reap?

Most flights from Denver to Siem Reap take 12 to 16 hours, depending on the route, layovers, and whether you fly direct. Check individual airline listings for the exact flight duration from your chosen airport.

What's the cheapest month to visit Siem Reap?

Flight prices to Siem Reap fluctuate throughout the year. Recent fares from Denver have been found from around $817, 12% below the historical average. Our GO Score updates daily and flags when prices drop below average — bookmark this page to catch the cheapest window.