Originally Posted by
SensFan
What you can do though is keep an eye on that route to see if an award spot opens up on that leg. If it does you can call Aeroplan and ask them to bump you into J (without being charged a fee either though some agents may try to ding you).
The change fee is waived but you'll likely have the taxes and scamcharges recalculated and will need to pay the difference from when you booked.