Tri-Cities Airport is served by 3 airlines, flying from/to 5 destinationsLongest flight from Tri-Cities Airport is Bristol/Johnson/Kingsport to 🇺🇸 Atlanta (PDK), which takes around 30 minutes. On an airline like Libyan Airlines. More info on this flight route (TRI-PDK).Shortest flight from Tri-Cities Airport is Bristol/Johnson/Kingsport to 🇺🇸 Atlanta (PDK), which takes around 30 minutes. On an airline like Libyan Airlines. More info on this flight route (TRI-PDK).