Cheapest return flights from Boston to Dublin in May from $345

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

Return flights

06 May - 13 May Air Canada
06 May - 13 May Air France direct
01 May - 15 May Icelandair
07 May - 12 May SWISS
20 May - 26 May Icelandair
01 May - 15 May Air France direct
20 May - 26 May Aer Lingus direct

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

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.