Cheapest return flights from Boston to Dublin in December from 284€

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

Return flights

03 Dec - 16 Dec Delta
25 Dec - 09 Jan Air Canada
02 Dec - 13 Dec Aer Lingus direct
03 Dec - 07 Dec Aer Lingus direct
12 Dec - 14 Dec Aer Lingus direct
11 Dec - 15 Dec Aer Lingus direct
02 Dec - 09 Dec Aer Lingus direct
07 Dec - 14 Dec Aer Lingus direct
01 Dec - 08 Dec Aer Lingus direct
04 Dec - 11 Dec Aer Lingus direct
12 Dec - 15 Dec Aer Lingus direct
12 Dec - 19 Jan Aer Lingus direct
10 Dec - 14 Jan Aer Lingus direct
27 Dec - 17 Jan Air Canada
31 Dec - 14 Jan Aer Lingus direct
16 Dec - 12 Jan Air France
16 Dec - 12 Jan Aer Lingus direct
27 Dec - 17 Jan Aer Lingus direct
15 Dec - 10 Jan Iberia
06 Dec - 07 Jan Iberia

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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