Working the system to get good airfares
 

(CNN) -- Perhaps no system is more mysterious to travelers than airfare pricing. One minute it seems fares are up, the next minute they're down -- only to take off again before you can blink (or book). It's more dizzying than Friday afternoon air traffic at O'Hare.

http://www.cnn.com/TRAVEL/ESSENTIALS...are/index.html