Cheapest return flights from Boston to Dublin in January from 301€

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

Return flights

09 Jan - 16 Jan United
19 Jan - 26 Jan United
29 Jan - 05 Feb United
15 Jan - 29 Jan Aer Lingus direct
09 Jan - 16 Jan Aer Lingus direct
19 Jan - 26 Jan Aer Lingus direct
29 Jan - 05 Feb Aer Lingus direct
02 Jan - 08 Jan Air Canada

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

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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