Cheapest return flights from Boston to Dublin in May from 300€

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

Return flights

12 May - 22 May Delta
11 May - 21 May Aer Lingus direct
11 May - 21 May Iberia
12 May - 22 May Aer Lingus direct
11 May - 06 Jun United
19 May - 23 May Aer Lingus direct
14 May - 19 May Aer Lingus direct
22 May - 29 May Aer Lingus direct
22 May - 30 May Aer Lingus direct
19 May - 02 Jun Icelandair
11 May - 06 Jun Aer Lingus direct
29 May - 06 Jun Icelandair
22 May - 05 Jun Icelandair
27 May - 03 Jun Icelandair
19 May - 02 Jun Aer Lingus direct
27 May - 03 Jun Aer Lingus direct
22 May - 05 Jun Aer Lingus direct
29 May - 06 Jun 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.

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