Cheapest return flights from Boston to Dublin in May from 267€

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

Return flights

03 May - 10 May Icelandair
01 May - 06 May Icelandair
01 May - 05 May Icelandair
04 May - 12 May Air France direct
03 May - 13 May Air France
12 May - 19 May Icelandair
03 May - 10 May jetBlue direct
08 May - 12 May Icelandair
03 May - 14 May jetBlue direct
08 May - 12 May Air France direct
28 May - 04 Jun Aer Lingus direct
27 May - 01 Jun Aer Lingus direct
29 May - 07 Jun Aer Lingus direct
29 May - 01 Jun Aer Lingus direct
30 May - 02 Jun Aer Lingus direct
31 May - 03 Jun Aer Lingus direct
18 May - 21 Jun Icelandair
22 May - 05 Jun British Airways
18 May - 21 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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