Columbia,MO is also an alternative.
We have found that they are generally less money than Springfirld, it too is only a little over an hour from LOTO.
This being said...check ST Louis though, my brother is flying in from Orlando, arriving Thursday, leaving Monday, his tickets were 165.00 round trip. He booked through
www.cheapoair.com, and is flying AirTrans. But he did have to rent a car, and it is a 2.5 hour drive each way!