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

Return flights

10 Sep - 16 Sep	Delta
02 Sep - 16 Sep	Delta
20 Sep - 04 Oct	United	direct
27 Sep - 11 Oct	United	direct
16 Sep - 25 Sep	Spirit Airlines
09 Sep - 25 Sep	Spirit Airlines
09 Sep - 16 Sep	Spirit Airlines
09 Sep - 11 Sep	Spirit Airlines
16 Sep - 18 Sep	Spirit Airlines
09 Sep - 18 Sep	Spirit Airlines
04 Sep - 16 Sep	Spirit Airlines
04 Sep - 11 Sep	Spirit Airlines
16 Sep - 05 Oct	Spirit Airlines
20 Sep - 01 Oct	United
22 Sep - 05 Oct	Spirit Airlines
23 Sep - 06 Oct	United
17 Sep - 05 Oct	Spirit Airlines
17 Sep - 01 Oct	United
22 Sep - 06 Oct	United
18 Sep - 01 Oct	Spirit Airlines

Also check the deals for one-way flights from Newark 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.

Book a cheap hotel in San Salvador

Cheap car rent in San Salvador

Cheapest return flights from Newark to San Salvador in September from 195€

Return flights