Originally Posted by Brostman

Have you checked if there is a price differential between booking the trip as a round trip versus booking each segment as a one-way trip. If there is not a material difference, you have options for the return segment..... a) book now for as close to your intended flight date, and then wait until you are in the reservation window for your desired July date .... and then either rebook when it first opens up, or monitor prices over time and rebook when there is no price differential to you original booking..... b) do not book the return segment now, and wait until the reservation window opens.