$327 Cheap flights to Phnom Penh

When planning your flight to Phnom Penh, it is important to be aware that some months are not as ideal as others. Specifically, the months of May, June, or July could carry a higher chance of rain, as Phnom Penh sees up to 5.1 inches or more. There are still things to do in Phnom Penh even when it's raining, but be aware that rain is highly probable in the area. While in Phnom Penh you will find Tuol Sleng Genocide Museum nearby which is a great museum to visit when you’re looking for things to do indoors.

We recommend purchasing flights from United States to Phnom Penh 69 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Phnom Penh for $1,256. However, in the past 72 hours, people saw flights from United States for as low as $922.

Phnom Penh Techo Intl Airport can be an alternative airport used for travel to Phnom Penh.

Prices for flights to Phnom Penh Pochentong Airport are updated daily.

There are 30 operators available for flights to Phnom Penh Pochentong Airport as of August 2025.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Phnom Penh Pochentong Airport.

The required travel and health documents for your Phnom Penh Pochentong Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phnom Penh Pochentong Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.