Cheapest return flights from Dublin to Boston in September from 388€

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

Return flights

15 Sep - 30 Sep Scandinavian Airlines
21 Sep - 28 Sep Scandinavian Airlines
21 Sep - 26 Sep Scandinavian Airlines
01 Sep - 06 Sep Scandinavian Airlines
14 Sep - 23 Sep Scandinavian Airlines
22 Sep - 27 Sep Scandinavian Airlines
28 Sep - 07 Oct Scandinavian Airlines
10 Sep - 13 Sep Lufthansa
05 Sep - 19 Sep Lufthansa
13 Sep - 07 Oct Lufthansa
01 Sep - 06 Sep 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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