Cheapest return flights from Boston to Dublin in January from $314

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

Return flights

13 Jan - 20 Jan Austrian Airlines
11 Jan - 20 Jan Austrian Airlines
27 Jan - 03 Feb Austrian Airlines
13 Jan - 18 Jan Austrian Airlines
09 Jan - 16 Jan Austrian Airlines
08 Jan - 15 Jan Austrian Airlines
13 Jan - 21 Jan Austrian Airlines
11 Jan - 18 Jan Austrian Airlines
22 Jan - 26 Jan Austrian Airlines
08 Jan - 14 Jan Austrian Airlines
22 Jan - 25 Jan Austrian Airlines
30 Jan - 09 Feb Austrian Airlines
27 Jan - 09 Feb Austrian Airlines
30 Jan - 13 Feb Austrian Airlines
30 Jan - 03 Feb Austrian Airlines
29 Jan - 02 Feb Austrian Airlines
30 Jan - 02 Feb Air Canada
10 Jan - 28 Feb SWISS
26 Jan - 01 Feb Icelandair
29 Jan - 05 Feb Austrian Airlines

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

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