AirHint found the following cheapest one-way flights from Boston (BOS) to Dublin (DUB) in January 2026 (see full year).
One-Way flights
| 14 Jan | Spirit Airlines | ||
| 07 Jan | jetBlue | ||
| 13 Jan | jetBlue | ||
| 11 Jan | jetBlue | ||
| 18 Jan | jetBlue | ||
| 01 Jan | Icelandair | ||
| 10 Jan | Air Canada | ||
| 09 Jan | jetBlue | ||
| 05 Jan | jetBlue | ||
| 16 Jan | jetBlue |
Also check the deals for return flights from Boston to Dublin in January.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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