According to Qantas's 24-hour cancellation policy, you may get a full refund on canceling the flights within 24 hours of booking. However, the airline can change the 24-hour policy at any time. Hence, you must be attentive while canceling Qantas flights and frequently visit its website, www.Qantas.com, to know the latest rules and policies.

If you have any questions regarding Qantas's flight cancellation policy, contact one of the airline executives by visiting Qantas's official website.
Alternative Ways to Cancel Flight

Visit the Airport to Cancel the Flight
If none of the above methods works, you can visit the nearest airport to cancel the flight. This way, you may talk to a representative and ask them to cancel your flight by providing the booking details.

Finally, we are done explaining all the relevant ways to cancel the flight on Qantas Airways. If you are experiencing issues while applying any methods, contact a live person by dialing the Qantas Airways Customer Service Number.