JetBlue Roundtrip Flights: from Chicago (ORD) to Fort Lauderdale, FL (FLL) (or vice versa) from $134

Travel Availability (subject to change):

Departs Fort Lauderdale, FL (FLL): Every Tuesday/Wednesday beginning August 15 thru October 31 and then again November 1, 29; December 6.
Departs Chicago, IL (ORD): Every Tuesday/Wednesday beginning August 15 thru November 8 and then again November 28, 29; December 6, 13

Example flight:

Departs Chicago, IL (ORD): August 15, 2017
Return Chicago, IL (ORD): August 22, 2017