Currently, April is the cheapest month in which you can book a flight from Kingsport to Birmingham (average of $640). Flying from Kingsport to Birmingham in June is currently the most expensive (average of $1,147). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kingsport to Birmingham as you normally would.