Cheapest return flights from Dublin to Boston in December from 537€

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

Return flights

28 Dec - 29 Jan KLM
27 Dec - 29 Jan Austrian Airlines
29 Dec - 09 Jan KLM
29 Dec - 04 Jan Air France direct
31 Dec - 05 Jan Lufthansa
28 Dec - 07 Jan Lufthansa
27 Dec - 03 Jan United
27 Dec - 01 Jan United
27 Dec - 02 Jan United
27 Dec - 05 Jan United
28 Dec - 30 Dec KLM
27 Dec - 30 Dec Aer Lingus direct
28 Dec - 31 Dec Aer Lingus
28 Dec - 30 Dec Aer Lingus direct
28 Dec - 31 Dec 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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