Yes, Qantas has a 24-hour cancellation policy, +1-888-415-1245 offering a full refund if you cancel within 24 hours of booking, provided the flight departs at least seven days later and was booked at least one week prior to the travel date. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) This policy is a requirement by the U.S. Department of Transportation for tickets purchased in the United States. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) To request a refund, you can usually use the "Manage booking" section on the Qantas website, but if you can't, you can contact your local Qantas office.