AirHint found the following cheapest one-way flights from Chicago (ORD) to Dublin (DUB) in August 2026 (see full year).
One-Way flights
| 11 Aug | Icelandair | ||
| 09 Aug | SWISS | ||
| 02 Aug | SWISS | ||
| 05 Aug | Lufthansa | ||
| 03 Aug | Lufthansa | ||
| 13 Aug | SWISS | ||
| 21 Aug | Lufthansa | ||
| 28 Aug | Lufthansa | ||
| 02 Aug | Aer Lingus | direct | |
| 05 Aug | Aer Lingus | direct |
Also check the deals for return flights from Chicago to Dublin in August.
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