Updated on May 9, 2020: TD Aeroplan credit cards also provide this similar offer
Expiry: May 31, 2020
You can earn 5 extra Aeroplan mile per $1 spent using your CIBC Aeroplan credit card for purchase via the Aeroplan eStore. Those bonus miles are in addition to the miles that you regularly earn for using your credit card at checkout.
Meantime, AmEx AeroplanPlus credit cards also provide this similar offer.