Travelers have found that booking a Saturday departure is the best way to save up to 38% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
Due to multiple factors, expect to potentially pay more when booking in May. For low rates, February can be a great choice for travel to Phnom Penh. Flights to Phnom Penh from Richmond in February are about $890 on average during February, but can be found for as low as $550.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Richmond to Phnom Penh as you normally would.