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

Return flights

17 Sep - 24 Sep	Avianca	direct
07 Sep - 13 Sep	Avianca	direct
17 Sep - 26 Sep	Avianca	direct
15 Sep - 22 Sep	Avianca	direct
26 Sep - 28 Sep	Avianca	direct
24 Sep - 29 Sep	Avianca	direct
17 Sep - 22 Sep	Avianca	direct
04 Sep - 16 Sep	Spirit Airlines
09 Sep - 23 Sep	United
23 Sep - 01 Oct	Delta
23 Sep - 08 Oct	Delta
25 Sep - 11 Oct	Delta
04 Sep - 14 Sep	Avianca	direct
17 Sep - 01 Oct	United
22 Sep - 06 Oct	United
30 Sep - 14 Oct	United
23 Sep - 07 Oct	United
27 Sep - 11 Oct	United	direct
20 Sep - 04 Oct	United
24 Sep - 08 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 151€

Return flights