Cheapest return flights from Boston to Dublin in January from 299€

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

Return flights

23 Jan - 26 Jan United
23 Jan - 31 Jan United
30 Jan - 06 Feb United
04 Jan - 11 Jan Aer Lingus direct
06 Jan - 09 Jan Aer Lingus direct
07 Jan - 10 Jan Aer Lingus direct
07 Jan - 14 Jan Aer Lingus direct
08 Jan - 11 Jan Aer Lingus direct
10 Jan - 13 Jan Aer Lingus direct
10 Jan - 17 Jan Aer Lingus direct
11 Jan - 14 Jan Aer Lingus direct
25 Jan - 01 Feb Aer Lingus direct
26 Jan - 02 Feb Aer Lingus direct
28 Jan - 04 Feb Aer Lingus direct
30 Jan - 02 Feb Aer Lingus direct
31 Jan - 03 Feb Aer Lingus direct
31 Jan - 07 Feb Aer Lingus direct
29 Jan - 05 Feb Aer Lingus direct
22 Jan - 14 Feb Aer Lingus direct
14 Jan - 07 Feb Aer Lingus direct

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

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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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