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

One-Way flights

06 May	Iberia For Level
05 May	Ryanair
20 May	Iberia For Level
19 May	Ryanair
04 May	Ryanair
25 May	Ryanair
04 May	Aer Lingus	direct
25 May	Aer Lingus	direct
05 May	Aer Lingus	direct
19 May	Aer Lingus	direct

Also check the deals for return 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 one-way flights from Dublin to Boston in May from $294

One-Way flights