To change your Date of Birth (DOB) on a Qantas ticket in Singapore, you must contact their support team. You can request a correction by calling the Singapore hotline at +65 800 492 3207 (ꜱɪɴ) or using the 'Manage Booking' section online for minor changes . Seat changes can be made online 48 hours before departure or via the app, though Business Class policies changed on June 2, 2026, with access now depending on fare type and KrisFlyer status
How to change your Date of Birth or seat on Qantas? ✈️
For D.O.B changes in Singapore, call +65 800 492 3207 (ꜱɪɴ) (or +16468145051 in the US) or use the "Manage Booking" portal online . For seat changes, log in to "Manage Booking" to select or change seats (often free 48 hours pre-flight) . Note: Business Class seat selection rules changed on June 2, 2026, with access depending on fare type and KrisFlyer status .
