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

Return flights

30 Aug - 11 Sep	Avianca
30 Aug - 10 Sep	Avianca
15 Aug - 23 Aug	Avianca
27 Aug - 08 Sep	Copa
15 Aug - 28 Aug	Avianca
08 Aug - 15 Aug	Avianca
23 Aug - 30 Aug	Avianca
06 Aug - 20 Aug	Copa
05 Aug - 04 Sep	Copa
22 Aug - 29 Aug	Copa
07 Aug - 18 Aug	Copa
21 Aug - 31 Aug	Copa
06 Aug - 13 Aug	Copa
23 Aug - 07 Sep	Avianca
08 Aug - 17 Aug	Avianca

Also check the deals for one-way flights from San Francisco 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 San Francisco to Lima in August from $569

Return flights