The case relates to cancelled flights during the pandemic, for which customers were given credits instead of cash.
Australia's biggest airline was sued for firing ground staff in 2020 as aviation came to a standstill.
The airline was hit by a cyber attack on a platform storing names, email addresses and phone numbers.
Jetstar Asia has struggled with rising supplier costs, high airport fees and increased competition.
The airline said it will refund or rebook passengers who bought wrongly-priced tickets due to a coding error.
Alan Joyce will lose $9.2m following a series of scandals and legal cases during his tenure.
Qantas agrees to pay millions to settle lawsuit accusing it of selling tickets to cancelled flights.
The airline has apologised after users of its app were mistakenly given access to personal details.
Australia's newest low-cost carrier has entered voluntary administration, after abrupt cancellations.
