Cheapest return flights from Boston to Dublin in January from $347

Best time to book flights for Boston (BOS) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Dublin (DUB) in January 2025 (see full year).

Return flights

17 Jan - 24 Jan Fly Play
09 Jan - 23 Jan Fly Play
06 Jan - 20 Jan Air Canada
02 Jan - 07 Jan British Airways
09 Jan - 23 Jan Aer Lingus direct
17 Jan - 24 Jan Aer Lingus direct
06 Jan - 20 Jan Aer Lingus direct
02 Jan - 07 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.

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