Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Democratic Republic of the Congo. Flights to Democratic Republic of the Congo from North Carolina in May are about $1,184 on average during May, but can be found for as low as $875.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from North Carolina to Democratic Republic of the Congo as you normally would.