Cheapest return flights from Boston to San Salvador in May from $219

Best time to book flights for Boston (BOS) to San Salvador (SAL) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to San Salvador (SAL) in May 2025 (see full year).

Return flights

25 May - 10 Jun United
13 May - 06 Jun United
26 May - 11 Jun Avianca direct
30 May - 09 Jun Avianca direct
11 May - 04 Jun Avianca direct
12 May - 06 Jun Avianca direct
30 May - 22 Jun Avianca
30 May - 22 Jun Avianca direct
21 May - 31 May Avianca
14 May - 21 May Avianca direct
16 May - 21 May Avianca direct
12 May - 05 Jun United
14 May - 18 May Avianca
23 May - 25 May Copa
21 May - 26 May United
23 May - 26 May United
14 May - 18 May Avianca direct
21 May - 26 May Avianca direct
23 May - 25 May Avianca direct

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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