Delta has an incredible fare sale through Wednesday with flights as low as $97

Regular travelers probably don't associate the idea of sales and low-fares with a carrier like Delta Airlines, which are more in the wheelhouse of a low-cost brand like Southwest that offers up flash fare sales on the regular. Nevertheless, that's exactly what Delta has going at the moment -- a fare sale with deals that start as low as only $97, though they come with a few important catches. One is that you've only got until September 25, to lock one of these fares in. Just as important to know:...