AirHint found the following cheapest return flights from Philadelphia (PHL) to Lima (LIM) in August 2025 (see full year).

Return flights

23 Aug - 07 Sep	Spirit Airlines
21 Aug - 28 Aug	Spirit Airlines
15 Aug - 22 Aug	Spirit Airlines
12 Aug - 21 Aug	Spirit Airlines
16 Aug - 30 Sep	Spirit Airlines
18 Aug - 30 Sep	Spirit Airlines
19 Aug - 30 Sep	Spirit Airlines
12 Aug - 20 Aug	Spirit Airlines
17 Aug - 30 Sep	Spirit Airlines
08 Aug - 18 Aug	Spirit Airlines

Also check the deals for one-way flights from Philadelphia to Lima in August.

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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Cheapest return flights from Philadelphia to Lima in August from $514

Return flights