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

Return flights

22 Sep - 26 Sep	Avianca	direct
11 Sep - 19 Sep	Avianca
08 Sep - 15 Sep	Avianca	direct
15 Sep - 22 Sep	Avianca	direct
23 Sep - 29 Sep	Avianca	direct
24 Sep - 29 Sep	Avianca	direct
07 Sep - 19 Sep	Avianca	direct
23 Sep - 15 Oct	Avianca
23 Sep - 15 Oct	Avianca	direct
23 Sep - 08 Oct	Avianca	direct
03 Sep - 10 Sep	American Airlines
24 Sep - 07 Oct	Avianca	direct
02 Sep - 12 Sep	Avianca	direct
19 Sep - 21 Sep	Avianca	direct
25 Sep - 15 Oct	Avianca	direct
20 Sep - 05 Oct	Avianca	direct

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 $195

Return flights