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Cheapest one-way flights from Boston (BOS) to San Salvador (SAL), September

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
15 Sep	Aeromexico
25 Sep	jetBlue
01 Sep	United
15 Sep	Avianca Direct Flight
01 Sep	Avianca Direct Flight
25 Sep	Avianca Direct Flight
07 Sep	Avianca Direct Flight
05 Sep	Avianca Direct Flight
03 Sep	Avianca Direct Flight
12 Sep	Avianca Direct Flight

deals for return flights from Boston to San Salvador in September.

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Updated Aug 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Boston (BOS) to San Salvador (SAL), September

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