I am from Ky also and we have just bought tickets. If you can fly out of Louisville (SDF) Delta Express offers direct flights everyday (at least everyday that I have ever checked) with several flights during the day. Right now you can get them for 205.50 each, saving you around 148.00. Was the price you gave for a direct flight? We bought tickets for my parents around 6 weeks ago and paid 207.50. I check there sight everyday and around two weeks ago, for 1 day they went down to 175.50, so I called and they gave them vouchers for 32.00 each. If you get them now you should check there sight every so often because they have been changing the price ever few days. One day they was 190.50. I bought ours this week for 205.50 and am hoping they will go down again so I can get vouchers for our next trip.
I hope this helps you! Good luck.