Cheapest return flights from Boston to Dublin in September from 282€

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

Return flights

07 Sep - 14 Sep Air Canada
01 Sep - 08 Sep Air Canada
14 Sep - 21 Sep Air Canada
08 Sep - 15 Sep Air Canada
13 Sep - 20 Sep Air Canada
10 Sep - 17 Sep Air Canada
03 Sep - 10 Sep Air Canada
09 Sep - 16 Sep Air Canada
06 Sep - 13 Sep Air Canada
05 Sep - 10 Sep Air Canada
30 Sep - 07 Oct Air Canada
28 Sep - 08 Oct Air Canada
29 Sep - 06 Oct Icelandair
02 Sep - 16 Oct United
30 Sep - 09 Oct Icelandair
01 Sep - 01 Oct SWISS
28 Sep - 05 Oct Air Canada
26 Sep - 03 Oct Air Canada
27 Sep - 04 Oct Air Canada
23 Sep - 02 Oct Air Canada

Also check the deals for one-way flights from Boston to Dublin in September.

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Feel free to contact us with any feedback or request another flight research.