Cheapest return flights from Dublin to Boston in September from $498

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

Return flights

11 Sep - 15 Sep Scandinavian Airlines
06 Sep - 13 Sep Scandinavian Airlines
04 Sep - 18 Sep Scandinavian Airlines
17 Sep - 26 Sep Scandinavian Airlines
04 Sep - 20 Sep Scandinavian Airlines
26 Sep - 03 Oct Scandinavian Airlines
30 Sep - 10 Oct Scandinavian Airlines
27 Sep - 07 Oct Scandinavian Airlines
16 Sep - 23 Sep Scandinavian Airlines
26 Sep - 09 Oct Icelandair
01 Sep - 28 Sep Icelandair
07 Sep - 21 Sep Icelandair
03 Sep - 12 Sep Icelandair
22 Sep - 28 Sep Air Canada
27 Sep - 07 Oct Aer Lingus direct
26 Sep - 09 Oct Aer Lingus direct
30 Sep - 10 Oct Aer Lingus direct
29 Sep - 06 Oct Aer Lingus direct
30 Sep - 07 Oct Aer Lingus direct
27 Sep - 04 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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