Flight
Closest airports: Asheville Regional Airport (54min), Charlotte Douglass Airport (1.5 hrs), Greenville, SC (1 hr). Many prefer to fly into Charlotte or Greenville, since these are larger airports, and rent a car.
House Or Rental
All wedding guests receive a 10% discount on lodging. The resort has studios and condos, plus manages a number of privately-owned homes available for your stay (Air BnB-style). Take a look: https://www.rumblingbald.com/mountain-stay-rumbling-bald/