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

Return flights

21 Jan - 25 Feb	Lufthansa
13 Jan - 21 Jan	Lufthansa
14 Jan - 21 Jan	Lufthansa
15 Jan - 19 Jan	Lufthansa
15 Jan - 22 Jan	Lufthansa
28 Jan - 04 Feb	Lufthansa
21 Jan - 25 Jan	Lufthansa
31 Jan - 08 Feb	Delta
22 Jan - 03 Feb	Delta
07 Jan - 19 Jan	Lufthansa
08 Jan - 20 Jan	Lufthansa
11 Jan - 16 Jan	Spirit Airlines

Also check the deals for one-way flights from Detroit to Dublin 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 Dublin in January from 362€

Return flights