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

Return flights

27 Sep - 06 Oct	United	direct
27 Sep - 04 Oct	Spirit Airlines
27 Sep - 03 Oct	Spirit Airlines
21 Sep - 24 Sep	Avianca
30 Sep - 09 Oct	Avianca	direct
23 Sep - 28 Sep	United	direct
20 Sep - 27 Sep	United	direct
23 Sep - 29 Sep	United	direct
27 Sep - 03 Oct	United	direct
29 Sep - 03 Oct	United	direct
23 Sep - 03 Oct	United	direct
23 Sep - 30 Sep	Avianca
26 Sep - 28 Sep	United
24 Sep - 28 Sep	United
24 Sep - 29 Sep	United
24 Sep - 01 Oct	United
26 Sep - 29 Sep	United
21 Sep - 24 Sep	Avianca	direct
29 Sep - 18 Oct	Avianca
25 Sep - 20 Oct	Avianca

Also check the deals for one-way flights from Los Angeles to San Salvador in September.

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 September from 252€

Return flights