Cheapest return flights from Boston to Dublin in October from $373

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 October 2025 (see full year).

Return flights

12 Oct - 19 Oct Fly Play
25 Oct - 01 Nov Icelandair
26 Oct - 02 Nov Fly Play
21 Oct - 27 Oct Fly Play
21 Oct - 28 Oct Scandinavian Airlines
28 Oct - 04 Nov Icelandair
27 Oct - 03 Nov Scandinavian Airlines
03 Oct - 10 Oct Fly Play
26 Oct - 02 Nov Delta direct
24 Oct - 31 Oct Fly Play
24 Oct - 31 Oct Delta direct
28 Oct - 04 Nov Aer Lingus direct
27 Oct - 03 Nov Aer Lingus direct
11 Oct - 18 Oct Icelandair
12 Oct - 19 Oct Delta direct
31 Oct - 07 Nov Aer Lingus direct
03 Oct - 10 Oct Air France direct
21 Oct - 28 Oct Aer Lingus direct
25 Oct - 01 Nov Aer Lingus direct

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

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