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

Return flights

25 Feb - 09 Mar	Spirit Airlines
25 Feb - 18 Mar	Spirit Airlines
28 Feb - 09 Mar	Spirit Airlines
11 Feb - 15 Feb	United
25 Feb - 06 Mar	Spirit Airlines
26 Feb - 06 Mar	Spirit Airlines
25 Feb - 07 Mar	Delta
28 Feb - 08 Mar	Spirit Airlines
25 Feb - 09 Mar	Avianca	direct
18 Feb - 27 Feb	Avianca
27 Feb - 08 Mar	Spirit Airlines
05 Feb - 17 Feb	Spirit Airlines
27 Feb - 07 Mar	Avianca
13 Feb - 18 Feb	United
13 Feb - 17 Feb	United
12 Feb - 17 Feb	United
14 Feb - 22 Feb	Spirit Airlines
13 Feb - 18 Feb	Avianca	direct

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

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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Cheapest return flights from Boston to San Salvador in February from 244€

Return flights