AirHint found the following cheapest one-way flights from Washington (DCA) to Dublin (DUB) in October 2025 (see full year).
One-Way flights
| 29 Oct | United | ||
| 26 Oct | Air France | ||
| 28 Oct | Air France | ||
| 25 Oct | Air France |
Also check the deals for return flights from Washington to Dublin in October.
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