A few weeks ago we paid $136.50 RT/PP (Indy to Orlando) with Delta - $409.50 total plus we got the times we wanted.
Disney wanted a bit over $1,000.00 for airfare and we would be given flight times.
Our first cruise (land/sea) two years ago, we used Disney air - we realized the money we could save by doing our own was worth it.
Again, an individual choice, but so long as we can get airfare cheaper, then we will do it ourselves.
Rae