Flight time from Allentown to Austral Downs. Get exact flying time between Lehigh Valley International Airport, Allentown, United States and Austral Downs Airport, Austral Downs, Australia. Direct flight time, one stop & 1+ stop flight time between Allentown & Austral Downs. Allentown Airport to Austral Downs Airport (ABE to AWP) flight duration and operating airlines.