When flying from Williamsburg to Moscow, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Richmond Byrd Intl Airport is RIC and Moscow Vnukovo Airport is VKO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Moscow Domodedovo Airport (DME), Moscow Sheremetyevo Airport (SVO), Moscow Zhukovsky Airport (ZIA) are other airports near this flight route and their unique identifiers/IATA codes.