Cheapest return flights from Boston to Dublin in May from $354

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

03 May - 14 May TAP
15 May - 19 May Fly Play
14 May - 21 May Fly Play
15 May - 29 May Fly Play
11 May - 18 May Fly Play
21 May - 30 May Fly Play
22 May - 29 May Fly Play
21 May - 28 May Fly Play
04 May - 11 May Fly Play
27 May - 03 Jun Fly Play
22 May - 29 May Aer Lingus direct
27 May - 03 Jun Air France direct
28 May - 04 Jun Air France direct
26 May - 02 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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