AirHint found the following cheapest one-way flights from Washington (IAD) to Dublin (DUB) in March 2026 (see full year).
One-Way flights
| 16 Mar | TAP | ||
| 23 Mar | TAP | ||
| 09 Mar | Icelandair | ||
| 19 Mar | TAP | ||
| 22 Mar | Icelandair | ||
| 20 Mar | TAP | ||
| 18 Mar | Lufthansa | ||
| 08 Mar | SWISS | ||
| 24 Mar | SWISS | ||
| 15 Mar | TAP |
Also check the deals for return flights from Washington to Dublin in March.
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