Cheapest return flights from Boston to Dublin in December from 296€

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

Return flights

08 Dec - 15 Dec United
03 Dec - 10 Dec United
13 Dec - 20 Dec United
09 Dec - 16 Dec Aer Lingus direct
02 Dec - 09 Dec Aer Lingus direct
10 Dec - 17 Dec Aer Lingus direct
03 Dec - 10 Dec Aer Lingus direct
11 Dec - 21 Dec SWISS
07 Dec - 10 Dec Aer Lingus direct
08 Dec - 11 Dec Aer Lingus direct
25 Dec - 03 Jan Icelandair
26 Dec - 03 Jan Icelandair
25 Dec - 04 Jan Icelandair
30 Dec - 03 Jan Icelandair
30 Dec - 04 Jan Icelandair
22 Dec - 05 Jan United
23 Dec - 05 Jan Delta direct
23 Dec - 02 Jan Delta direct
29 Dec - 01 Jan Aer Lingus
30 Dec - 02 Jan Aer Lingus

Also check the deals for one-way 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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