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

Return flights

13 Jan - 20 Jan	Lufthansa
14 Jan - 21 Jan	Lufthansa
28 Jan - 04 Feb	Turkish Airlines
29 Jan - 05 Feb	Turkish Airlines
20 Jan - 27 Jan	Air France
21 Jan - 28 Jan	Air France
27 Jan - 03 Feb	Air France
15 Jan - 22 Jan	Turkish Airlines
22 Jan - 29 Jan	Turkish Airlines
19 Jan - 26 Jan	Turkish Airlines
26 Jan - 02 Feb	KLM
23 Jan - 30 Jan	Lufthansa
16 Jan - 23 Jan	Lufthansa
18 Jan - 25 Jan	Lufthansa
25 Jan - 01 Feb	Lufthansa
30 Jan - 06 Feb	Lufthansa
31 Jan - 07 Feb	Lufthansa

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 $608

Return flights