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

Return flights

01 Dec - 08 Dec	United
06 Dec - 22 Dec	Copa
29 Dec - 14 Jan	Copa
09 Dec - 22 Jan	Copa
01 Dec - 15 Dec	Copa
12 Dec - 21 Dec	Copa
26 Dec - 28 Dec	Copa
11 Dec - 14 Dec	Copa
11 Dec - 14 Dec	Avianca	direct
23 Dec - 15 Jan	Alaska Airlines
23 Dec - 17 Jan	Alaska Airlines
23 Dec - 28 Dec	Hawaiian Airlines
29 Dec - 06 Jan	Copa
16 Dec - 06 Jan	Copa
17 Dec - 19 Jan	Viva
23 Dec - 08 Jan	Hawaiian Airlines
24 Dec - 28 Dec	Avianca
23 Dec - 08 Jan	Avianca	direct
24 Dec - 02 Jan	Avianca
22 Dec - 28 Dec	Copa

Also check the deals for one-way flights from Los Angeles to San Salvador 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 Los Angeles to San Salvador in December from 383€

Return flights