Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Accra. Flights to Accra from Dayton in February are about $1,380 on average during February, but can be found for as low as $990.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dayton to Accra as you normally would.