Aer Lingus Avios expire 36 months after account inactivity, which can be extended by earning or redeeming at least one Avio. If you are inactive for a 36-month period, the Avios in the account will expire, and your account will be disabled.
Check out our ultimate guides on the best ways to earn Aer Lingus Avios, and the best ways to redeem Aer Lingus Avios to see how to extend your Avios.
Comparison of Mileage Expiration Policies
Below is a comparison of the mileage expiration policies of the major airline points programs to see how Aer Lingus compares to the competition.