Check...
http://usafaikidonews.com/summer-camp/
The daily mat fee is $90. No partial days...but, you can always ask, since you're only able take 1 class on your first day because you are flying in late...
https://store.usaikifed.com/product/...2012-day-pass/
You can always email the USAF with specific questions.
http://www.usaikifed.com/contact/
...and, if you are physically able, why wouldn't you take all the classes
