Cheapest return flights from Philadelphia to Sao Paulo in September from $545

AirHint found the following cheapest return flights from Philadelphia (PHL) to Sao Paulo (GRU) in September 2025 (see full year).

Return flights

02 Sep - 04 Sep Frontier Airlines
09 Sep - 12 Sep Spirit Airlines
05 Sep - 12 Sep Spirit Airlines
03 Sep - 14 Sep Spirit Airlines
09 Sep - 22 Sep Spirit Airlines
09 Sep - 21 Sep Spirit Airlines
22 Sep - 10 Oct Spirit Airlines
09 Sep - 19 Sep Spirit Airlines
03 Sep - 21 Sep Spirit Airlines
10 Sep - 06 Oct Spirit Airlines
10 Sep - 28 Sep Spirit Airlines
04 Sep - 14 Sep Spirit Airlines
24 Sep - 15 Oct Spirit Airlines
16 Sep - 13 Oct Spirit Airlines
10 Sep - 01 Oct Spirit Airlines
10 Sep - 02 Oct Spirit Airlines
24 Sep - 01 Oct Spirit Airlines
16 Sep - 07 Oct Spirit Airlines
17 Sep - 01 Oct Spirit Airlines
16 Sep - 14 Oct Spirit Airlines

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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