UVU costs about $20,000 for a Bachelors degree start to finish (tuition only not including flight training). They are an acredited State School and aviation is the only online degree program they offer. (they used to be a state technical college) The nice thing about the aviation degree is that they figure in flight training as part of your cost of attendance for financial aid so you don't have to take out a high interest variable rate private loan (if you qualify for the maximum in grants and student loans and can afford to pay a little out of pocket.)
If you don't have a profession currently, many on this board recomend a non-aviation degree so you have something to fall back on when times are tough like now. Since I have 10 years of management experience and a solid career I find the aviation degree to be a win win because I get a degree in something that interests me and I can use financial aid & my employer's tuition reimbursement to pay for my flight training.
Classes run concurrent with the regular school year, you can work ahead but you complete your degree at a regular pace just like any other 4 year school. (you can get course credit for certificates you've already aquired)
If you want a non-aviation degree I recomend Western Governers University. They have a great online program. The university was founded by several governers of western states that wanted an affordable credible option for online students.