AirHint found the following cheapest one-way flights from Washington (IAD) to Dublin (DUB) in July 2026 (see full year).
One-Way flights
| 22 Jul | Icelandair | ||
| 27 Jul | TAP | ||
| 15 Jul | Frontier Airlines | ||
| 08 Jul | Lufthansa | ||
| 11 Jul | Frontier Airlines | ||
| 09 Jul | Air France | ||
| 22 Jul | United | direct | |
| 27 Jul | United | direct | |
| 09 Jul | United | direct | |
| 11 Jul | United | direct |
Also check the deals for return flights from Washington to Dublin in July.
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