The best price found from United States to Byron Bay is on September 5th, 2016, travelling with Qantas. See more options, compare prices and book: search flights.
The closest airport is at Ballina and with its rapidly expanding service it is the best airport for Byron. It also has shuttle services and rental cars for Byron travellers.
Coolangatta airport on the Gold Coast has a greater range of services but can involve a traffic-clogged drive. Byron Bay Shuttle serves both Coolangatta ($37) and Ballina ($15) airports.