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

Return flights

01 May - 04 May	TAP
07 May - 11 May	Scandinavian Airlines
09 May - 16 May	British Airways
07 May - 14 May	British Airways
07 May - 14 May	Aer Lingus	direct
02 May - 10 May	Aer Lingus	direct
19 May - 19 May	Aer Lingus	direct
06 May - 11 May	Aer Lingus	direct
07 May - 11 May	Aer Lingus	direct
01 May - 09 May	Aer Lingus	direct

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

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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Cheapest return flights from Dublin to Boston in May from 333€

Return flights