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

Return flights

09 Dec - 16 Dec	Spirit Airlines
06 Dec - 20 Dec	Spirit Airlines
06 Dec - 20 Dec	Volaris El Salvador	direct
09 Dec - 20 Dec	Spirit Airlines
04 Dec - 07 Dec	Spirit Airlines
01 Dec - 22 Dec	Avianca	direct
09 Dec - 16 Dec	Avianca	direct
09 Dec - 20 Dec	Volaris El Salvador	direct
04 Dec - 07 Dec	Avianca	direct
14 Dec - 07 Jan	Copa
06 Dec - 07 Dec	Spirit Airlines
19 Dec - 12 Jan	Copa
29 Dec - 17 Jan	Avianca	direct
31 Dec - 07 Jan	Volaris El Salvador
06 Dec - 10 Jan	Spirit Airlines
27 Dec - 08 Jan	Copa
26 Dec - 09 Jan	Volaris El Salvador
13 Dec - 10 Jan	Spirit Airlines
29 Dec - 09 Jan	Avianca
31 Dec - 20 Jan	Spirit Airlines

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 $246

Return flights