AirHint found the following cheapest one-way flights from Chicago (ORD) to Dublin (DUB) in November 2025 (see full year).
One-Way flights
| 30 Nov | TAP | ||
| 29 Nov | Frontier Airlines | ||
| 28 Nov | TAP | ||
| 30 Nov | Brussels Airlines | direct | |
| 28 Nov | Aer Lingus | direct | |
| 29 Nov | Aer Lingus | direct |
Also check the deals for return flights from Chicago to Dublin in November.
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