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

Return flights

10 Dec - 16 Dec	Spirit Airlines
10 Dec - 24 Dec	Spirit Airlines
15 Dec - 19 Dec	Copa
12 Dec - 16 Dec	Spirit Airlines
10 Dec - 18 Dec	Spirit Airlines
10 Dec - 19 Dec	Spirit Airlines
10 Dec - 23 Dec	Spirit Airlines
13 Dec - 16 Dec	Spirit Airlines
15 Dec - 16 Dec	Spirit Airlines
14 Dec - 16 Dec	Spirit Airlines
30 Dec - 16 Jan	Spirit Airlines
31 Dec - 16 Jan	Spirit Airlines
16 Dec - 13 Jan	Alaska Airlines
30 Dec - 06 Jan	Copa
30 Dec - 13 Jan	Spirit Airlines
31 Dec - 13 Jan	Spirit Airlines
30 Dec - 14 Jan	Spirit Airlines
31 Dec - 14 Jan	Spirit Airlines
22 Dec - 15 Jan	Copa
30 Dec - 09 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 296€

Return flights