Cheapest return flights from Boston to San Salvador in May from 263€

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

Return flights

06 May - 10 May Copa
23 May - 27 May Copa
01 May - 05 May United
25 May - 29 May Copa
18 May - 25 May Avianca direct
25 May - 29 May Avianca direct
06 May - 10 May Avianca direct
21 May - 25 May Spirit Airlines

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

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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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