Delta Airlines have round trip airfares travelling to and from Atlanta (ATL) and Key West Florida (EYW) for $278 including taxes and fees. This is nonstop service. This is also Delta’s basic economy fare. See below for details.
Departs ATL: wide availability Aug 8 thru Sept 29 (no Wednesdays); then Sun & Mon Oct 1 thru Nov 12
Departs EYW: wide availability Aug 8 thru Sept 29 (no Sundays); then Wed & Thur Oct 4 thru Nov 10