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

Return flights

21 Aug - 26 Sep	Avianca
30 Aug - 15 Sep	Avianca
19 Aug - 19 Sep	Avianca
22 Aug - 01 Sep	Avianca
08 Aug - 15 Aug	Avianca
11 Aug - 18 Aug	Avianca
23 Aug - 07 Sep	Avianca
08 Aug - 02 Sep	Avianca
11 Aug - 02 Sep	Avianca
02 Aug - 16 Aug	LATAM Airlines Group
01 Aug - 08 Aug	Copa

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.

Book a cheap hotel in Lima

Cheap car rent in Lima

Cheapest return flights from San Francisco to Lima in August from 475€

Return flights