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

Return flights

12 May - 19 May	Spirit Airlines
09 May - 16 May	jetBlue
05 May - 15 May	Spirit Airlines
11 May - 18 May	jetBlue
13 May - 20 May	Spirit Airlines
18 May - 22 May	Spirit Airlines
14 May - 21 May	Spirit Airlines
20 May - 27 May	Spirit Airlines
01 May - 10 May	Delta
19 May - 26 May	Spirit Airlines
27 May - 03 Jun	WestJet
25 May - 01 Jun	WestJet
30 May - 06 Jun	Spirit Airlines
29 May - 05 Jun	Spirit Airlines
26 May - 02 Jun	jetBlue
28 May - 04 Jun	WestJet
16 May - 20 Jun	Spirit Airlines
31 May - 07 Jun	WestJet
16 May - 20 Jun	Air France	direct

Also check the deals for one-way flights from Detroit to Dublin in May.

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 May from 433€

Return flights