Cheapest return flights from Boston to San Salvador in April from $209

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

Return flights

13 Apr - 22 Apr Spirit Airlines
01 Apr - 06 Apr Spirit Airlines
21 Apr - 12 May United
11 Apr - 18 Apr American Airlines
22 Apr - 13 May Spirit Airlines
15 Apr - 29 Apr Spirit Airlines
06 Apr - 13 Apr Avianca
07 Apr - 14 Apr Spirit Airlines
14 Apr - 28 Apr United
08 Apr - 15 Apr Frontier Airlines
21 Apr - 28 Apr Spirit Airlines
13 Apr - 22 Apr Avianca direct
22 Apr - 13 May Avianca direct

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

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