Cheapest return flights from Boston (BOS) to San Salvador (SAL), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
21 Sep 22 Sep American Airlines
16 Sep 23 Sep Delta
03 Sep 14 Sep American Airlines
17 Sep 18 Sep American Airlines
10 Sep 12 Sep American Airlines
06 Sep 09 Sep American Airlines
02 Sep 06 Sep American Airlines
05 Sep 08 Sep United
05 Sep 09 Sep United
25 Sep 02 Oct Azul Airlines
23 Sep 28 Sep American Airlines
25 Sep 02 Oct Avianca
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deals for one-way flights from Boston to San Salvador in September.

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Updated Aug 25, 2026.

About these fares

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