Cheapest return flights from Boston to Bucharest in May from $385

AirHint found the following cheapest return flights from Boston (BOS) to Bucharest (OTP) in May 2026 (see full year).

Return flights

06 May - 13 May SWISS
04 May - 11 May SWISS
11 May - 18 May SWISS
03 May - 10 May Air France
01 May - 08 May Lufthansa
07 May - 14 May SWISS
08 May - 15 May Lufthansa
02 May - 09 May Lufthansa
21 May - 28 May Austrian Airlines
10 May - 17 May Lufthansa
26 May - 02 Jun Austrian Airlines
31 May - 07 Jun SWISS
28 May - 04 Jun Condor

Also check the deals for one-way flights from Boston to Bucharest in May.

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