Cheapest return flights from Boston to Dublin in May from $339

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

06 May - 15 May Fly Play
13 May - 21 May Fly Play
14 May - 23 May Fly Play
10 May - 18 May Fly Play
08 May - 15 May Fly Play
14 May - 18 May Fly Play
11 May - 15 May Fly Play
11 May - 18 May Fly Play
06 May - 09 May Fly Play
07 May - 16 May Fly Play
13 May - 17 Jun Fly Play
21 May - 07 Jun Fly Play
13 May - 17 Jun Air France direct
28 May - 03 Jun KLM
21 May - 02 Jun Air France direct
08 May - 02 Jun Air France direct
19 May - 12 Jun Air France direct
29 May - 03 Jun Air France direct
20 May - 02 Jun Delta direct
29 May - 10 Jun Air France 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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