AirHint found the following cheapest one-way flights from Chicago (MDW) to Dublin (DUB) in May 2026 (see full year).
One-Way flights
| 23 May | WestJet | ||
| 08 May | Porter Airlines (Canada) Ltd | ||
| 01 May | Porter Airlines (Canada) Ltd | ||
| 26 May | Porter Airlines (Canada) Ltd | ||
| 27 May | KLM |
Also check the deals for return flights from Chicago to Dublin in May.
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