One extra ditty is that its £35 per person per ticket so if you booked it as 2 x one ways thats £70 per person which starts to smart for a family.

There are plenty of cancellations for September already and a few October's are starting to filter through as the Airlines start to weed their itineraries to match demand and entry restrictions. So you should be able to approximate the likelihood of a future cancellation which of course is preferential if you dont want to go...