AirHint found the following cheapest return flights from Detroit (DTW) to Beirut (BEY) in December 2025 (see full year).

Return flights

02 Dec - 28 Dec	Lufthansa
03 Dec - 28 Dec	Lufthansa
27 Dec - 10 Jan	Lufthansa
16 Dec - 23 Dec	Lufthansa
17 Dec - 12 Jan	Air France
12 Dec - 31 Dec	Turkish Airlines
24 Dec - 07 Jan	Air France
22 Dec - 05 Jan	Turkish Airlines
12 Dec - 03 Jan	Turkish Airlines
18 Dec - 31 Dec	Qatar Airways
23 Dec - 04 Jan	Lufthansa
20 Dec - 02 Jan	Turkish Airlines
20 Dec - 03 Jan	Turkish Airlines
20 Dec - 04 Jan	Turkish Airlines
18 Dec - 04 Jan	Turkish Airlines

Also check the deals for one-way flights from Detroit to Beirut in December.

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 Beirut in December from 721€

Return flights