"The Air Canada eGift Card is the freedom to fly to any of Air Canada's over 200 destinations, and can be used to purchase a flight or to pay for a variety of travel options, advance seat selection, change fees and more!
It’s easy to redeem online on either the Canadian or U.S. edition of www.aircanada.com via phone through Air Canada Reservations at 1-888-247-2262 (within Canada and the United States only) or through a travel agent if the booking is made at aircanada.com/agents. Your eGift Card cannot be redeemed at airport counters.
-A maximum of two (2) forms of payment is permitted on a single booking. Customers can use up to two (2) Gift Cards on a single booking provided that the total cost of the ticket purchase is covered fully by the two (2) gift cards.
-When purchasing a seat or travel option for an existing reservation, only one (1) form of payment will be accepted.
-It’s also important to know that you cannot consolidate the value of multiple gift cards onto a single gift card."