Cheapest return flights from Boston to Dublin in May from $338

Best time to book flights for Boston (BOS) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Dublin (DUB) in May 2025 (see full year).

Return flights

04 May - 21 May Fly Play
04 May - 08 May Fly Play
13 May - 22 May Fly Play
06 May - 16 May Fly Play
18 May - 22 May Fly Play
04 May - 12 May Fly Play
06 May - 12 May Fly Play
08 May - 15 May Fly Play
07 May - 21 May Fly Play
25 May - 06 Jun Fly Play
06 May - 16 May Aer Lingus direct
27 May - 03 Jun Aer Lingus direct
25 May - 06 Jun Aer Lingus direct
28 May - 11 Jun Aer Lingus direct
25 May - 10 Jun Aer Lingus direct
08 May - 10 Jun Fly Play
24 May - 05 Jun British Airways
08 May - 09 Jun British Airways
31 May - 10 Jun British Airways
23 May - 06 Jun British Airways

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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