AirHint found the following cheapest return flights from New York (LGA) to San Salvador (SAL) in September 2025 (see full year).

Return flights

09 Sep - 23 Sep	United
09 Sep - 24 Sep	United
17 Sep - 24 Sep	United
03 Sep - 17 Sep	United
02 Sep - 16 Sep	United
10 Sep - 24 Sep	United
17 Sep - 01 Oct	United
22 Sep - 06 Oct	United
30 Sep - 14 Oct	United
23 Sep - 07 Oct	United
04 Sep - 16 Sep	Spirit Airlines
20 Sep - 04 Oct	United
08 Sep - 24 Sep	United
24 Sep - 29 Sep	United
16 Sep - 30 Sep	United
24 Sep - 08 Oct	United
27 Sep - 11 Oct	United
26 Sep - 10 Oct	United
19 Sep - 03 Oct	United
28 Sep - 12 Oct	United

Also check the deals for one-way flights from New York 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 New York to San Salvador in September from 190€

Return flights