Cheapest return flights from Boston to Dublin in January from 302€

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

Return flights

12 Jan - 19 Jan United
22 Jan - 29 Jan United
14 Jan - 21 Jan Aer Lingus direct
21 Jan - 28 Jan Aer Lingus direct
13 Jan - 20 Jan Aer Lingus direct
20 Jan - 27 Jan Aer Lingus direct
02 Jan - 09 Jan Icelandair
12 Jan - 15 Jan Aer Lingus direct
13 Jan - 16 Jan Aer Lingus direct
18 Jan - 21 Jan Aer Lingus direct

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Feel free to contact us with any feedback or request another flight research.