AirHint found the following cheapest return flights from San Salvador (SAL) to Lima (LIM) in December 2025 (see full year).

Return flights

16 Dec - 23 Dec	Avianca
24 Dec - 09 Jan	Copa
20 Dec - 24 Dec	Copa
03 Dec - 10 Dec	Copa
16 Dec - 23 Dec	Avianca	direct
15 Dec - 25 Dec	Avianca
10 Dec - 17 Dec	Avianca
13 Dec - 16 Dec	Avianca	direct
15 Dec - 20 Dec	Copa
24 Dec - 08 Jan	Avianca
15 Dec - 20 Dec	Avianca	direct
12 Dec - 12 Jan	Avianca
01 Dec - 06 Dec	Avianca
23 Dec - 02 Jan	Copa
30 Dec - 04 Jan	Copa

Also check the deals for one-way flights from San Salvador to Lima in December.

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 Salvador to Lima in December from $364

Return flights