Flight
Chattanooga airport connects through: Charlotte (American Airlines hub) Dallas-Fort Worth (American Airlines hub) Atlanta (Delta hub) Chicago O’Hare (United hub) Philadelphia DC Detroit
Flight
If you fly into Atlanta, it’s about a two hour drive north to Chattanooga. There’s a shuttle service called Groome Transportation that will drive you from the airport to their Chattanooga office. It leaves about every hour, but you should book ahead of time. It's a little over $50 each way.
Flight
If you fly into Nashville, it’s about a three hour drive southeast to Chattanooga. You can rent a car or book through groome shuttle from the link below.