Cheapest return flights from Dublin to Boston in September from 364€

AirHint found the following cheapest return flights from Dublin (DUB) to Boston (BOS) in September 2026 (see full year).

Return flights

10 Sep - 14 Sep British Airways
24 Sep - 28 Sep British Airways
12 Sep - 20 Sep British Airways
04 Sep - 06 Sep British Airways
23 Sep - 27 Sep British Airways
20 Sep - 27 Sep British Airways
21 Sep - 27 Sep British Airways
22 Sep - 27 Sep British Airways
07 Sep - 16 Sep British Airways
09 Sep - 18 Sep Finnair
30 Sep - 09 Oct British Airways
24 Sep - 01 Oct Aer Lingus direct
25 Sep - 02 Oct Aer Lingus direct
26 Sep - 03 Oct Aer Lingus direct
27 Sep - 04 Oct Aer Lingus direct
28 Sep - 05 Oct Aer Lingus direct
29 Sep - 06 Oct Aer Lingus direct
30 Sep - 07 Oct Aer Lingus direct
26 Sep - 09 Oct Aer Lingus direct
30 Sep - 09 Oct Aer Lingus direct

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

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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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