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

Return flights

14 Apr - 28 Apr	United
15 Apr - 25 Apr	United
11 Apr - 25 Apr	United
17 Apr - 26 Apr	United
08 Apr - 14 Apr	Icelandair
02 Apr - 09 Apr	Icelandair
16 Apr - 25 Apr	Icelandair
17 Apr - 24 Apr	Icelandair
17 Apr - 25 Apr	Icelandair
08 Apr - 14 Apr	Air France	direct

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

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 Boston to Dublin in April from 300€

Return flights