AirHint found the following cheapest return flights from Detroit (DTW) to Dublin (DUB) in July 2025 (see full year).

Return flights

27 Jul - 05 Aug	jetBlue
22 Jul - 29 Jul	Spirit Airlines
27 Jul - 05 Aug	KLM	direct
17 Jul - 21 Jul	Spirit Airlines
16 Jul - 21 Jul	Spirit Airlines
13 Jul - 21 Jul	Spirit Airlines
28 Jul - 04 Aug	Air France	direct
14 Jul - 23 Jul	Spirit Airlines
11 Jul - 14 Jul	Frontier Airlines
12 Jul - 21 Jul	Spirit Airlines
11 Jul - 21 Jul	Spirit Airlines
22 Jul - 26 Jul	Spirit Airlines
08 Jul - 17 Jul	Icelandair

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

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Detroit to Dublin in July from 576€

Return flights