AirHint found the following cheapest one-way flights from Boston (BOS) to Dublin (DUB) in March 2026 (see full year).
One-Way flights
| 30 Mar | TAP | ||
| 29 Mar | TAP | ||
| 25 Mar | Icelandair | ||
| 24 Mar | Azores Airlines | ||
| 22 Mar | TAP | ||
| 21 Mar | Air France | ||
| 31 Mar | Azores Airlines | ||
| 26 Mar | Spirit Airlines | ||
| 23 Mar | Aer Lingus | direct | |
| 24 Mar | Aer Lingus | direct |
Also check the deals for return flights from Boston to Dublin in March.
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