Cheapest return flights from Boston to San Salvador in May from 239€

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

10 May - 24 May United
28 May - 01 Jun United
15 May - 14 Jun United
26 May - 01 Jun United
21 May - 20 Jun United
15 May - 18 May Copa
22 May - 29 May United
09 May - 13 May Spirit Airlines
18 May - 06 Jun Delta
07 May - 11 May United
07 May - 11 May Avianca direct
14 May - 18 May Spirit Airlines
16 May - 19 May Delta
16 May - 21 May Delta

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

Skyscanner

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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