AirHint found the following cheapest return flights from Seattle (SEA) to Dublin (DUB) in August 2026 (see full year).
Return flights
| 16 Aug - 22 Aug | Scandinavian Airlines | ||
| 02 Aug - 22 Aug | United | ||
| 16 Aug - 22 Aug | Aer Lingus | direct | |
| 02 Aug - 22 Aug | Aer Lingus | direct |
Also check the deals for one-way flights from Seattle to Dublin in August.
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