Cheapest return flights from Boston to San Salvador in November from $344

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

Return flights

28 Nov - 14 Dec Frontier Airlines
29 Nov - 02 Dec Frontier Airlines
30 Nov - 07 Dec Avianca direct
28 Nov - 02 Dec Frontier Airlines
24 Nov - 01 Dec Avianca
23 Nov - 01 Dec Avianca
26 Nov - 01 Dec Frontier Airlines
28 Nov - 14 Dec Avianca direct
23 Nov - 01 Dec Avianca direct
24 Nov - 01 Dec Avianca direct
26 Nov - 30 Nov Avianca direct
21 Nov - 30 Nov Avianca
21 Nov - 30 Nov Avianca direct

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

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