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

Return flights

22 Dec - 13 Jan	Frontier Airlines
13 Dec - 31 Dec	Spirit Airlines
22 Dec - 13 Jan	Avianca	direct
24 Dec - 13 Jan	Spirit Airlines
15 Dec - 31 Dec	Spirit Airlines
11 Dec - 31 Dec	Spirit Airlines
24 Dec - 10 Jan	Spirit Airlines
22 Dec - 05 Jan	Frontier Airlines
12 Dec - 31 Dec	Spirit Airlines
06 Dec - 10 Dec	Avianca
16 Dec - 31 Dec	Spirit Airlines
14 Dec - 31 Dec	Spirit Airlines
10 Dec - 31 Dec	Spirit Airlines
10 Dec - 30 Jan	Avianca
23 Dec - 13 Jan	Avianca	direct
13 Dec - 01 Jan	Spirit Airlines
24 Dec - 08 Jan	Spirit Airlines
25 Dec - 31 Dec	Avianca
16 Dec - 05 Jan	Spirit Airlines
20 Dec - 31 Dec	Frontier Airlines

Also check the deals for one-way flights from San Salvador to Los Angeles 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 Los Angeles in December from $262

Return flights