Manage Booking Use Jetstar's Manage Booking tool to update passenger details, select/change seats, add baggage, change or cancel flights, and request refunds. Log in with your booking reference and email. If you prefer phone support, call: +61 (1800) 005 886. Cancellation & 24-Hour Cancellation Policy Key points: Full refund may be available if you cancel within 24 hours of booking and the booking was made directly with Jetstar (website, app or call centre) and the flight is booked 7+ days before departure. Refunds are usually processed within 7–10 business days (timing may vary by payment method). To cancel: use Manage Booking online or call +61 (1800) 005 886.