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

One-Way flights

06 Apr	Icelandair
13 Apr	Iberia For Level
18 Apr	Iberia Express
17 Apr	TAP
03 Apr	TAP
06 Apr	Aer Lingus	direct
17 Apr	Aer Lingus	direct
03 Apr	Aer Lingus	direct
18 Apr	Aer Lingus	direct
13 Apr	Aer Lingus	direct

Also check the deals for return flights from Dublin to Boston 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 one-way flights from Dublin to Boston in April from $320

One-Way flights