Cheapest return flights from Boston to San Salvador in January from 264€

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

Return flights

09 Jan - 16 Jan American Airlines
11 Jan - 18 Jan American Airlines
21 Jan - 01 Feb Copa
08 Jan - 15 Jan American Airlines
04 Jan - 11 Jan United
05 Jan - 15 Jan Spirit Airlines
04 Jan - 15 Jan Spirit Airlines
05 Jan - 11 Jan Spirit Airlines
02 Jan - 15 Jan Spirit Airlines
04 Jan - 05 Jan Spirit Airlines
02 Jan - 03 Jan Spirit Airlines

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

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