Cheapest return flights from Dublin to Boston in December from 315€

Best time to book flights for Dublin (DUB) to Boston (BOS) flights at AirHint

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

Return flights

06 Dec - 10 Dec Fly Play
22 Dec - 26 Dec Fly Play
03 Dec - 07 Dec Icelandair
29 Dec - 02 Jan Fly Play
28 Dec - 02 Jan Fly Play
22 Dec - 03 Jan Fly Play
26 Dec - 03 Jan Fly Play
20 Dec - 03 Jan Fly Play
06 Dec - 10 Dec Aer Lingus direct
03 Dec - 07 Dec Aer Lingus direct
28 Dec - 03 Jan Fly Play
22 Dec - 29 Dec KLM direct
22 Dec - 03 Jan KLM direct
20 Dec - 27 Dec Air France direct
20 Dec - 03 Jan Aer Lingus direct
22 Dec - 26 Dec KLM direct
29 Dec - 02 Jan Air France direct
28 Dec - 02 Jan Aer Lingus direct

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