Cheapest return flights from Boston to Dublin in May from 414€

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

Return flights

01 May - 07 May Icelandair
11 May - 17 May TAP
09 May - 13 May Aer Lingus direct
02 May - 08 May Aer Lingus direct
02 May - 04 May Aer Lingus direct
02 May - 06 May Aer Lingus direct
04 May - 11 May Aer Lingus direct
02 May - 07 May Aer Lingus direct
11 May - 21 May Icelandair
12 May - 21 May Icelandair
14 May - 02 Jun Aer Lingus direct
27 May - 02 Jun Aer Lingus direct
18 May - 02 Jun Aer Lingus direct
28 May - 04 Jun Aer Lingus direct
30 May - 02 Jun Aer Lingus direct
12 May - 10 Jun Delta
29 May - 07 Jun United
16 May - 05 Jun Aer Lingus direct
29 May - 05 Jun Aer Lingus direct
28 May - 07 Jun KLM 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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