I would look at buying your tickets right now to get the best deal.
Maybe worth looking some at Aussie sites like Flight Centre or Webjet.
The wife and daughter booked a year in advance for their last trip back and got return tickets for $980 each, that is around 490 quid each and they went for...
Too much sun here and not really a fan of it, so considering a move to another part which would suit more as there is no fun in 10 or 12 days above 35 degrees in a row.
I don't like summer here much, rest of year ok though.
The travelers often do come back, with all their tales of woe.
I was going to compare with spiders over here but been done before I would expect.
Saw a Huntsman this morning in a tin bucket on site, it was probably just a bit smaller than the size of my hand.