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

Return flights

11 Sep - 14 Sep	Avianca
26 Sep - 26 Sep	Avianca	direct
09 Sep - 18 Sep	Avianca	direct
16 Sep - 27 Sep	Avianca	direct
16 Sep - 23 Sep	Avianca	direct
17 Sep - 21 Sep	Avianca	direct
12 Sep - 20 Sep	Avianca	direct
17 Sep - 22 Sep	Avianca	direct
02 Sep - 11 Sep	Avianca	direct
19 Sep - 21 Sep	Avianca	direct
22 Sep - 06 Oct	United
23 Sep - 07 Oct	United
20 Sep - 04 Oct	Avianca	direct
27 Sep - 11 Oct	United	direct
30 Sep - 14 Oct	United
17 Sep - 01 Oct	United
24 Sep - 08 Oct	United
25 Sep - 09 Oct	United
26 Sep - 10 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 $178

Return flights