Cheapest return flights from Boston to Dublin in May from 305€

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

Return flights

01 May - 10 May Aer Lingus direct
03 May - 10 May Aer Lingus direct
10 May - 13 May Aer Lingus direct
06 May - 09 May Aer Lingus direct
08 May - 11 May Aer Lingus direct
09 May - 12 May Aer Lingus direct
03 May - 06 May Aer Lingus direct
04 May - 07 May Aer Lingus direct
01 May - 04 May Aer Lingus direct
05 May - 08 May Aer Lingus direct
11 May - 06 Jun Aer Lingus direct
15 May - 06 Jun Aer Lingus direct
17 May - 06 Jun Aer Lingus direct
23 May - 02 Jun Aer Lingus direct
27 May - 20 Jun Aer Lingus direct
31 May - 20 Jun Aer Lingus direct
27 May - 01 Jun Aer Lingus direct
30 May - 08 Jun Aer Lingus direct
25 May - 01 Jun Aer Lingus direct
26 May - 02 Jun Aer Lingus direct

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

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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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