Cheapest return PHL–MIA flights, September

AirHint found the following cheapest return flights from Philadelphia (PHL) to Miami (MIA) in September 2026 (see full year).

Return flights

02 Sep - 05 Sep Spirit Airlines direct
02 Sep - 07 Sep Spirit Airlines direct
08 Sep - 15 Sep Frontier Airlines
04 Sep - 08 Sep Frontier Airlines
02 Sep - 06 Sep Spirit Airlines direct
04 Sep - 07 Sep Frontier Airlines
03 Sep - 07 Sep Frontier Airlines
04 Sep - 08 Sep Spirit Airlines direct
04 Sep - 05 Sep Spirit Airlines direct
04 Sep - 06 Sep Frontier Airlines
26 Sep - 03 Oct Delta
25 Sep - 03 Oct Southwest Airlines

Also check the deals for one-way flights from Philadelphia to Miami in September.

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