Cheapest return flights from Boston to San Salvador in March from 286€

Best time to book flights for Boston (BOS) to San Salvador (SAL) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to San Salvador (SAL) in March 2025 (see full year).

Return flights

24 Mar - 03 Apr Avianca
26 Mar - 16 Apr Avianca
30 Mar - 07 Apr Avianca direct
25 Mar - 26 Mar Spirit Airlines
12 Mar - 26 Mar Spirit Airlines
19 Mar - 10 Apr United
17 Mar - 23 Mar Avianca
16 Mar - 24 Mar Frontier Airlines
11 Mar - 19 Mar Copa
13 Mar - 27 Mar Frontier Airlines
16 Mar - 23 Mar Spirit Airlines
17 Mar - 22 Mar Avianca
14 Mar - 17 Mar Spirit Airlines
14 Mar - 28 Mar Spirit Airlines

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

Skyscanner

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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