AirHint found the following cheapest one-way flights from Chicago (ORD) to Dublin (DUB) in April 2026 (see full year).
One-Way flights
| 05 Apr | Icelandair | ||
| 22 Apr | Finnair | ||
| 03 Apr | TAP | ||
| 22 Apr | Brussels Airlines | direct | |
| 05 Apr | Brussels Airlines | direct | |
| 06 Apr | Brussels Airlines | direct | |
| 03 Apr | Brussels Airlines | direct |
Also check the deals for return flights from Chicago to Dublin in April.
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