Cheapest return flights from Boston to San Salvador in March from $210

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

Return flights

10 Mar - 24 Mar Spirit Airlines
10 Mar - 17 Mar Spirit Airlines
10 Mar - 19 Mar Spirit Airlines
03 Mar - 19 Mar Spirit Airlines
02 Mar - 09 Mar American Airlines
15 Mar - 17 Mar Spirit Airlines
08 Mar - 17 Mar Spirit Airlines
15 Mar - 24 Mar Spirit Airlines
08 Mar - 24 Mar Spirit Airlines
31 Mar - 14 Apr Spirit Airlines
15 Mar - 19 Mar Spirit Airlines
31 Mar - 07 Apr Spirit Airlines
25 Mar - 05 Apr Spirit Airlines
26 Mar - 07 Apr Spirit Airlines
26 Mar - 14 Apr Spirit Airlines
25 Mar - 05 Apr Avianca direct

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

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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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