Originally Posted by
RobtErskine
One other option you have is to book dummy return flights that are within your booking window. Date and time changes are allowed and free, so you could change the return to the dates you want (assuming availability) when they become available for booking. A drawback to this process is that routing changes are not allowed....
Another drawback is that dummy bookings are inconsiderate to other travelers because the bookings eat up available award seats.