Last updated on June 26th, 2019 at 09:29 amQantas Airlines Customer Service Phone Numbers Customer service: 1 800 227 4500 Qantas Airlines Reservations: 1 800 227 4500 Frequent Flyer Helpline of Qantas: 0800 964 432   Qantas Airlines International Customer Service numbers USA & Canada, Qantas Reservations: 1 800 227 4500 Qantas Customer Service: 1800 613