Cheapest return flights from Boston to Dublin in January from $319

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

Return flights

13 Jan - 18 Jan Austrian Airlines
05 Jan - 31 Jan Aer Lingus direct
19 Jan - 14 Feb Aer Lingus direct
13 Jan - 07 Feb Aer Lingus direct
14 Jan - 07 Feb Aer Lingus direct
20 Jan - 14 Feb Aer Lingus direct
12 Jan - 07 Feb Aer Lingus direct
16 Jan - 30 Jan Aer Lingus direct
01 Jan - 09 Jan Aer Lingus direct
08 Jan - 16 Jan Aer Lingus direct
18 Jan - 26 Jan Aer Lingus direct
08 Jan - 31 Jan Aer Lingus direct
15 Jan - 07 Feb Aer Lingus direct
17 Jan - 07 Feb Aer Lingus direct
16 Jan - 07 Feb Aer Lingus direct
18 Jan - 07 Feb Aer Lingus direct
12 Jan - 19 Jan Aer Lingus direct
16 Jan - 21 Jan Aer Lingus direct
16 Jan - 19 Jan Aer Lingus direct
27 Jan - 03 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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