Flight time from Barkly Downs to Boigu Island. Get exact flying time between Barkly Downs Airport, Barkly Downs, Australia and Boigu Island Airport, Boigu Island, Australia. Direct flight time, one stop & 1+ stop flight time between Barkly Downs & Boigu Island. Barkly Downs Airport to Boigu Island Airport (BKP to GIC) flight duration and operating airlines.