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

Return flights

03 Dec - 10 Dec	Avianca
12 Dec - 11 Jan	Avianca	direct
02 Dec - 05 Dec	Avianca
13 Dec - 15 Dec	Avianca	direct
04 Dec - 09 Dec	Avianca	direct
03 Dec - 08 Dec	Avianca
01 Dec - 06 Dec	Avianca
10 Dec - 06 Jan	Avianca	direct
12 Dec - 12 Jan	Avianca
11 Dec - 20 Jan	Copa
15 Dec - 22 Dec	Avianca	direct
20 Dec - 02 Jan	Avianca	direct
22 Dec - 27 Dec	Avianca	direct
20 Dec - 27 Dec	Avianca	direct
22 Dec - 26 Dec	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 311€

Return flights