Due to multiple factors, expect to potentially pay more when booking in June. For low rates, December can be a great choice for travel to Japan. Flights to Japan from Blountville in December are about $1,479 on average during December, but can be found for as low as $1,154.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Blountville to Japan as you normally would.