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

Return flights

11 Jan - 26 Jan	Lufthansa
13 Jan - 26 Jan	Lufthansa
11 Jan - 20 Jan	Lufthansa
11 Jan - 21 Jan	Lufthansa
11 Jan - 27 Jan	Lufthansa
11 Jan - 01 Feb	Lufthansa
11 Jan - 04 Feb	Lufthansa
12 Jan - 21 Jan	Lufthansa
12 Jan - 19 Jan	Lufthansa
12 Jan - 29 Jan	Lufthansa
12 Jan - 09 Feb	Lufthansa
12 Jan - 03 Feb	Lufthansa
12 Jan - 04 Feb	Lufthansa
13 Jan - 20 Jan	Lufthansa
06 Jan - 20 Jan	Lufthansa
13 Jan - 03 Feb	Lufthansa
26 Jan - 09 Feb	Spirit Airlines
21 Jan - 04 Feb	Turkish Airlines
27 Jan - 10 Feb	Spirit Airlines
20 Jan - 03 Feb	Turkish Airlines

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

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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Cheapest return flights from Detroit to Bucharest in January from $468

Return flights