Cheapest return flights from Boston to Bucharest in September from $447

Best time to book flights for Boston (BOS) to Bucharest (OTP) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Bucharest (OTP) in September 2025 (see full year).

Return flights

14 Sep - 06 Oct Scandinavian Airlines
14 Sep - 04 Oct Scandinavian Airlines
12 Sep - 04 Oct Scandinavian Airlines
13 Sep - 04 Oct Scandinavian Airlines
16 Sep - 23 Sep Condor
11 Sep - 04 Oct Scandinavian Airlines
14 Sep - 07 Oct Icelandair
11 Sep - 05 Oct Turkish Airlines
14 Sep - 05 Oct Icelandair
12 Sep - 05 Oct Turkish Airlines

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

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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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