I'd recommend you check out the home page at Jetcareers.com - Welcome and see how the webmaster did it. Then, click on the perspectives links and see how others did it.

Basically, you start at the bottom and work your way up. Private pilots license at the local flight school. I had my PPL and instrument rating by the time I was 18. You'll need a job and supportive parents to pay for the training. Also, 99% of the guys hired at the best jobs in the career have a four year college degree of some sort.