Cheapest return flights from Detroit to Bucharest in September from $548

AirHint found the following cheapest return flights from Detroit (DTW) to Bucharest (OTP) in September 2026 (see full year).

Return flights

02 Sep - 09 Sep Turkish Airlines
03 Sep - 10 Sep Turkish Airlines
10 Sep - 17 Sep Turkish Airlines
15 Sep - 22 Sep Turkish Airlines
16 Sep - 23 Sep Turkish Airlines
14 Sep - 21 Sep Lufthansa
04 Sep - 11 Sep Turkish Airlines
11 Sep - 18 Sep Turkish Airlines
13 Sep - 20 Sep Lufthansa
12 Sep - 19 Sep Turkish Airlines

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

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