Cheapest return flights from Boston to Sofia in November from $371

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

Return flights

24 Nov - 01 Dec Lufthansa
15 Nov - 27 Nov Lufthansa
27 Nov - 04 Dec Austrian Airlines
15 Nov - 26 Nov Lufthansa
30 Nov - 07 Dec Air France
29 Nov - 13 Dec Lufthansa
18 Nov - 15 Dec KLM
10 Nov - 06 Dec Lufthansa
21 Nov - 28 Nov Frontier Airlines

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

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