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

Return flights

09 Apr - 16 Apr	Icelandair
12 Apr - 19 Apr	Icelandair
24 Apr - 29 Apr	Icelandair
21 Apr - 28 Apr	United
28 Apr - 08 May	Icelandair
20 Apr - 30 Apr	Air France	direct
28 Apr - 08 May	Air France	direct
08 Apr - 21 Apr	Air Canada
02 Apr - 09 Apr	SWISS
27 Apr - 04 May	Air Canada
01 Apr - 15 Apr	Lufthansa
27 Apr - 04 May	jetBlue	direct
15 Apr - 22 Apr	Air Canada
04 Apr - 10 Apr	Air Canada
30 Apr - 05 May	Air Canada
22 Apr - 16 May	jetBlue	direct
21 Apr - 16 May	jetBlue	direct
28 Apr - 01 May	Aer Lingus	direct
28 Apr - 26 May	Delta	direct
30 Apr - 05 May	Aer Lingus	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 277€

Return flights