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

Return flights

29 Aug - 03 Sep	American Airlines
31 Aug - 14 Sep	Avianca
27 Aug - 06 Sep	Avianca
27 Aug - 01 Sep	Avianca
26 Aug - 29 Aug	Avianca
19 Aug - 29 Aug	Avianca
29 Aug - 01 Sep	Avianca
25 Aug - 01 Sep	Avianca
22 Aug - 01 Sep	Avianca
20 Aug - 26 Aug	American Airlines
30 Aug - 01 Sep	Frontier Airlines
13 Aug - 18 Aug	Frontier Airlines
08 Aug - 25 Aug	Frontier Airlines
28 Aug - 07 Sep	Avianca	direct
04 Aug - 13 Aug	Frontier Airlines
28 Aug - 01 Sep	Avianca
21 Aug - 25 Aug	Avianca
04 Aug - 11 Aug	Frontier Airlines
04 Aug - 08 Aug	Frontier Airlines
20 Aug - 27 Aug	Avianca

Also check the deals for one-way flights from New York to San Salvador in August.

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 August from $270

Return flights