Cheapest one-way flights from Boston to Dublin in December from $266

AirHint found the following cheapest one-way flights from Boston (BOS) to Dublin (DUB) in December 2025 (see full year).

One-Way flights

02 Dec Air Canada
27 Dec Iberia
12 Dec United
26 Dec United
02 Dec Aer Lingus direct
01 Dec Aer Lingus direct
07 Dec Aer Lingus direct
08 Dec Aer Lingus direct
09 Dec Aer Lingus direct
10 Dec Aer Lingus direct

Also check the deals for return flights from Boston to Dublin in December.

Skyscanner

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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