Cheapest return ORD–FLL flights, September

AirHint found the following cheapest return flights from Chicago (ORD) to Fort Lauderdale (FLL) in September 2026 (see full year).

Return flights

03 Sep - 04 Sep Frontier Airlines direct
03 Sep - 05 Sep Frontier Airlines direct
03 Sep - 03 Sep Frontier Airlines
05 Sep - 08 Sep United
05 Sep - 08 Sep Frontier Airlines direct
05 Sep - 07 Sep Frontier Airlines
19 Sep - 21 Sep United direct
04 Sep - 05 Sep Frontier Airlines
04 Sep - 06 Sep Frontier Airlines
27 Sep - 05 Oct Frontier Airlines direct
04 Sep - 05 Sep Frontier Airlines direct
25 Sep - 05 Oct Delta

Also check the deals for one-way flights from Chicago to Fort Lauderdale in September.

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