AirHint found the following cheapest return flights from Newark (EWR) to San Salvador (SAL) in October 2025 (see full year).

Return flights

18 Oct - 31 Oct	United	direct
11 Oct - 25 Oct	United
18 Oct - 01 Nov	United
18 Oct - 20 Oct	Frontier Airlines
29 Oct - 02 Nov	United	direct
14 Oct - 28 Oct	United
15 Oct - 29 Oct	United
21 Oct - 04 Nov	United
17 Oct - 20 Oct	Spirit Airlines
04 Oct - 18 Oct	United	direct
07 Oct - 21 Oct	United
08 Oct - 22 Oct	United
17 Oct - 31 Oct	United
19 Oct - 02 Nov	United
20 Oct - 03 Nov	United
31 Oct - 06 Nov	Lufthansa

Also check the deals for one-way flights from Newark to San Salvador in October.

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 Newark to San Salvador in October from $249

Return flights