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

Return flights

08 Jan - 14 Jan	Lufthansa
21 Jan - 29 Jan	Lufthansa
13 Jan - 29 Jan	Lufthansa
21 Jan - 31 Jan	Lufthansa
20 Jan - 26 Jan	Lufthansa
13 Jan - 25 Jan	Lufthansa
13 Jan - 05 Feb	Lufthansa
13 Jan - 06 Feb	Lufthansa
21 Jan - 12 Feb	Lufthansa
25 Jan - 05 Feb	Lufthansa
27 Jan - 06 Feb	Lufthansa
20 Jan - 08 Feb	Lufthansa
28 Jan - 05 Feb	Lufthansa
12 Jan - 19 Jan	Spirit Airlines
13 Jan - 27 Jan	Lufthansa
21 Jan - 27 Jan	Lufthansa
11 Jan - 27 Jan	Lufthansa
13 Jan - 10 Feb	Lufthansa
20 Jan - 03 Feb	Lufthansa
28 Jan - 11 Feb	Lufthansa

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 $421

Return flights