Cheapest return flights from Boston to Sofia in April from 337€

AirHint found the following cheapest return flights from Boston (BOS) to Sofia (SOF) in April 2026 (see full year).

Return flights

01 Apr - 05 Apr Lufthansa
01 Apr - 11 Apr Lufthansa
20 Apr - 27 Apr Lufthansa
02 Apr - 29 Apr Lufthansa
23 Apr - 27 Apr Lufthansa
15 Apr - 22 Apr SWISS
26 Apr - 29 Apr SWISS
01 Apr - 03 Apr SWISS
01 Apr - 04 Apr Lufthansa
25 Apr - 29 Apr Turkish Airlines

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

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