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

Return flights

04 Dec - 07 Dec	United
26 Dec - 30 Dec	Air Canada
12 Dec - 19 Dec	United
12 Dec - 27 Dec	United
12 Dec - 28 Dec	United
18 Dec - 21 Dec	United
13 Dec - 03 Jan	United
23 Dec - 01 Jan	United
22 Dec - 12 Jan	Air Canada
19 Dec - 04 Jan	United
20 Dec - 04 Jan	United
21 Dec - 11 Jan	United
21 Dec - 04 Jan	United

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

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 December from 341€

Return flights