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 - 07 Sep	Avianca
20 Aug - 03 Sep	Avianca
24 Aug - 30 Aug	Avianca
29 Aug - 01 Sep	Frontier Airlines
28 Aug - 04 Sep	Avianca	direct
13 Aug - 20 Aug	American Airlines
19 Aug - 26 Aug	Frontier Airlines
08 Aug - 15 Aug	Frontier Airlines
11 Aug - 18 Aug	Frontier Airlines
22 Aug - 30 Aug	Frontier Airlines
27 Aug - 31 Aug	Avianca
28 Aug - 03 Sep	Avianca	direct
22 Aug - 27 Aug	American Airlines
17 Aug - 24 Aug	American Airlines
26 Aug - 01 Sep	Frontier Airlines
29 Aug - 02 Sep	Avianca
15 Aug - 05 Sep	Avianca	direct
15 Aug - 07 Sep	Avianca	direct
26 Aug - 27 Aug	Avianca
15 Aug - 06 Sep	Avianca	direct

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 228€

Return flights