Nashville International Airport (airport identifier BNA) is the closest airport to Hendersonville that has regularly-scheduled commercial flights.  Airlines include: Delta, Delta Express, Comair/Delta Connection, Southwest (which has a hub here), American, American Eagle, United, United Express, Continental, Northwest and Air Canada.  The Nashville Airport is approximately 20 miles south of Hendersonville.  All of the major rental car companies are represented at the airport.

Visit the Nashville International Airport's web site:
www.flynashville.com

You may also wish to visit one of the airline web sites:

Air Canada: www.aircanada.com  
American: www.aa.com
American Eagle: www.amrcorp.com
Comair: www.comair.com
Continental: www.flycontinental.com
Delta: www.delta.com
Frontier Airlines: www.flyfrontier.com
Jet Blue: www.jetblue.com
Midwest/Skyway: www.midwestairlines.com
Northwest: www.nwa.com
Southwest: www.southwest.com
United Express: www.ual.com
US Airways: www.usairways.com
US Airways Express: www.usair.com

Sumner County Regional Airport

The Sumner County Regional Airport is approximately 14 miles northeast of Hendersonville.

Location: 2 miles east of Gallatin, Tennessee.
Airport Identifier: M33
Elevation: 584 feet
Beacon: White-Green
Fuel Available: 100LL, Jet-A
Runway: 5000 x 100 feet, asphalt.

Please see the Sumner County Regional Airport's web site for more information.