Byron Bay is located 170km south of Brisbane and ~90km south of the Gold Coast. There are three nearby airports within 2 hours drive from Byron Bay.

• Ballina/Byron Bay Gateway Airport in Ballina is served by Virgin Blue, and Jetstar.  Various Airport Transfers will get you to Byron Bay in around 35 minutes.
• Coolangatta or Gold Coast International Airport at Coolangatta, just over the border in Queensland is served by all domestic carriers and some international ones. Travel by car takes aprox 40min 

• Brisbane International is served by all domestic and most international carriers.  A light rail and buses run directly to Brisbane Roma Street transit terminal, which has a choice of buses to Byron Bay.  There are also direct Airport Transfers to Byron Bay, which take around two hours.

You can get cheap and discounted airfares to Byron Bay though Virgin Blue & Jetstar which fly into all the nearest airports.