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

Return flights

27 Aug - 01 Sep	Scandinavian Airlines
31 Aug - 07 Sep	Scandinavian Airlines
25 Aug - 31 Aug	Scandinavian Airlines
31 Aug - 06 Sep	Scandinavian Airlines
31 Aug - 05 Sep	Scandinavian Airlines
24 Aug - 05 Sep	Scandinavian Airlines
22 Aug - 29 Aug	Scandinavian Airlines
03 Aug - 10 Aug	Icelandair
07 Aug - 14 Aug	TAP
11 Aug - 18 Aug	TAP
08 Aug - 22 Aug	TAP
09 Aug - 23 Aug	TAP
10 Aug - 17 Aug	TAP
02 Aug - 10 Aug	Air Canada
27 Aug - 01 Sep	Iberia	direct

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

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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Cheapest return flights from Dublin to Boston in August from 356€

Return flights