American Airlines have round trip airfares travelling to and from Baltimore (BWI) and Charlotte NC (CLT) for $ 4&, nonstop. These are basic economy fares, a restricted-type fare. These are also flexible tickets, which means if your travel plan changes, you may make a change without paying a fee. However, you will still have to pay for any fare difference.

Travel Availability:[INDENT]Departs BWI: July 6-9, 13-16, 20-23, 27-30; Aug 3-6, 10-31; Sept 1-30; Oct 3-4, 6-10, 12-17, 19-31; Nov 2-5, 7, 9-14, 16-19, 21-23, 26-27; Dec 1-16