Cheapest return flights from Dublin to Boston in December from 304€

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

Return flights

04 Dec - 08 Dec Iberia For Level
04 Dec - 07 Dec Iberia For Level
01 Dec - 07 Dec Icelandair
13 Dec - 18 Dec Icelandair
13 Dec - 20 Dec Icelandair
15 Dec - 05 Jan Icelandair
01 Dec - 07 Dec Aer Lingus direct
04 Dec - 08 Dec Aer Lingus direct
04 Dec - 07 Dec Aer Lingus direct
11 Dec - 14 Dec Aer Lingus direct
12 Dec - 15 Dec Aer Lingus direct
20 Dec - 06 Jan Icelandair
23 Dec - 13 Jan Icelandair
22 Dec - 03 Jan Icelandair
26 Dec - 01 Jan Icelandair
29 Dec - 03 Jan Icelandair
28 Dec - 04 Jan Icelandair
26 Dec - 01 Jan Air France direct
23 Dec - 13 Jan Aer Lingus direct
22 Dec - 03 Jan Aer Lingus direct

Also check the deals for one-way flights from Dublin to Boston in December.

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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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