Savannah has an airport you can fly into called the Savannah/Hilton Head International Airport. Most likely you will have a connecting flight as it is a smaller airport. Ground transportation and car rental are available. https://savannahairport.com/airport/ground-transportation/
For getting around Savannah, a rental car is an easy option. Savannah is a very walkable city and there is free public transportation called the dot. https://www.connectonthedot.com/
The bride, groom, and immediate family will be staying at the Bell Mansion off of Pulaski Square. We have hotel blocks at nearby hotels including the Courtyard by Marriott, The Cambria, TRYP by Wyndham, Residence Inn, and Aloft Hotel. Follow the links below to book with those hotels, all bookings need to be made by SEPTEMBER 7th after that any reserved discounted rooms are dropped.
We also recommend one of the Savannah's beautiful historic bed and breakfasts for a unique stay. We've listed some options below in order of how close they are in proximity to the Bell Mansion.