Cheapest return flights from Boston to Dublin in September from 248€

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

Return flights

23 Sep - 02 Oct Aer Lingus direct
21 Sep - 26 Sep Aer Lingus direct
22 Sep - 25 Sep Aer Lingus direct
29 Sep - 07 Oct Aer Lingus direct
29 Sep - 02 Oct Aer Lingus direct
30 Sep - 09 Oct Aer Lingus direct
30 Sep - 08 Oct Aer Lingus direct
17 Sep - 24 Sep Aer Lingus direct
15 Sep - 24 Sep Aer Lingus direct
15 Sep - 18 Sep Aer Lingus direct
16 Sep - 19 Sep Aer Lingus direct
23 Sep - 26 Sep Aer Lingus direct
30 Sep - 03 Oct Aer Lingus direct
01 Sep - 10 Sep Aer Lingus direct
02 Sep - 16 Sep Aer Lingus direct
09 Sep - 16 Sep Aer Lingus direct
02 Sep - 16 Oct Aer Lingus direct
25 Sep - 02 Oct Aer Lingus direct
29 Sep - 06 Oct Aer Lingus direct
28 Sep - 05 Oct Aer Lingus direct

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.

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