Cheapest return flights from Boston to San Salvador in January from 222€

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

Return flights

18 Jan - 29 Jan Spirit Airlines
15 Jan - 29 Jan Spirit Airlines
18 Jan - 03 Feb United
12 Jan - 21 Jan Spirit Airlines
19 Jan - 30 Jan Spirit Airlines
19 Jan - 04 Feb Spirit Airlines
19 Jan - 02 Feb Spirit Airlines
18 Jan - 01 Feb Spirit Airlines
15 Jan - 01 Feb Spirit Airlines
11 Jan - 11 Feb Spirit Airlines
05 Jan - 15 Jan Spirit Airlines
12 Jan - 21 Jan Avianca direct
02 Jan - 01 Feb Spirit Airlines
01 Jan - 31 Jan Spirit Airlines
02 Jan - 15 Jan Spirit Airlines
07 Jan - 14 Jan Spirit Airlines
04 Jan - 15 Jan Spirit Airlines

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

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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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