AirHint found the following cheapest return flights from Newark (EWR) to San Salvador (SAL) in March 2026 (see full year).

Return flights

22 Mar - 02 Apr	United	direct
15 Mar - 22 Mar	United	direct
18 Mar - 23 Mar	United
15 Mar - 23 Mar	United
05 Mar - 09 Mar	Spirit Airlines
10 Mar - 16 Mar	Spirit Airlines
25 Mar - 06 Apr	Spirit Airlines
09 Mar - 13 Mar	Spirit Airlines
29 Mar - 04 Apr	Spirit Airlines
14 Mar - 21 Mar	Frontier Airlines
27 Mar - 12 Apr	Spirit Airlines
13 Mar - 20 Mar	United	direct
06 Mar - 15 Mar	United	direct
12 Mar - 16 Mar	Spirit Airlines
28 Mar - 02 Apr	Spirit Airlines
27 Mar - 09 Apr	Spirit Airlines
27 Mar - 05 Apr	Spirit Airlines

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

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 March from 261€

Return flights