when I booked to fly back (2 days out) I got both my flights for $189 pre tax one with air nz the other with pacific blue, with tax it ended up costing me $510 all up!
Id say those 2, freedom and quantas would be the best bet, so yeah $350 is aiight
one other thing dont do what I did and leave my wallet (never to be seen again) in syd airport only to find out when I couldnt pay for duty free in wgtn