Travelers have found it’s best to book a flight 42 days in advance to save up to 45% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 42 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Charleston to Japan 1-2 weeks in advance for as low as $1,527, or $1,712 for flights within the next 24 hours.
Flights from Charleston to Japan lean towards being more expensive in December. Prices are generally better when you fly from Charleston to Japan in June, with the cheapest ticket starting at $885.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Charleston to Japan as you normally would.