AirHint found the following cheapest one-way flights from Washington (IAD) to Dublin (DUB) in July 2026 (see full year).
One-Way flights
| 28 Jul | Icelandair | ||
| 23 Jul | Icelandair | ||
| 26 Jul | Icelandair | ||
| 02 Jul | Porter Airlines (Canada) Ltd | ||
| 26 Jul | Aer Lingus | direct | |
| 23 Jul | Aer Lingus | direct | |
| 03 Jul | Aer Lingus | direct | |
| 02 Jul | Aer Lingus | direct |
Also check the deals for return flights from Washington to Dublin in July.
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