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

Return flights

04 Dec - 08 Dec	Volaris El Salvador	direct
01 Dec - 07 Dec	United
01 Dec - 07 Dec	Volaris El Salvador	direct
27 Dec - 17 Jan	Avianca	direct
12 Dec - 30 Dec	Volaris
15 Dec - 26 Dec	Copa
11 Dec - 30 Dec	Avianca
30 Dec - 15 Jan	Avianca	direct
13 Dec - 30 Dec	Volaris
25 Dec - 14 Jan	Avianca
14 Dec - 07 Jan	Volaris
14 Dec - 11 Jan	Volaris
15 Dec - 26 Dec	Avianca	direct
12 Dec - 30 Dec	Avianca	direct
13 Dec - 30 Dec	Avianca	direct
23 Dec - 07 Jan	Avianca
25 Dec - 02 Jan	Avianca	direct
25 Dec - 14 Jan	Volaris El Salvador	direct
17 Dec - 06 Jan	Volaris
17 Dec - 04 Jan	Volaris

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 $382

Return flights