Cheapest return flights from Boston to Bucharest in September from $502

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

19 Sep - 26 Sep Scandinavian Airlines
20 Sep - 27 Sep Scandinavian Airlines
09 Sep - 16 Sep British Airways
04 Sep - 11 Sep Condor
30 Sep - 14 Oct Air Canada
30 Sep - 07 Oct SWISS
17 Sep - 24 Sep Turkish Airlines
25 Sep - 02 Oct Turkish Airlines
18 Sep - 25 Sep 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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