Cheapest return flights from Dublin to Boston in December from $481

AirHint found the following cheapest return flights from Dublin (DUB) to Boston (BOS) in December 2026 (see full year).

Return flights

10 Dec - 17 Dec Icelandair
23 Dec - 30 Dec British Airways
26 Dec - 02 Jan British Airways
18 Dec - 25 Dec United
18 Dec - 01 Jan Delta
18 Dec - 23 Dec Air France
19 Dec - 03 Jan Delta
10 Dec - 17 Dec Iberia direct
19 Dec - 02 Jan Austrian Airlines
27 Dec - 02 Jan Delta
18 Dec - 25 Dec Iberia direct
26 Dec - 02 Jan Iberia direct
18 Dec - 01 Jan Aer Lingus direct
17 Dec - 21 Dec Delta

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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