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

Return flights

01 Jul - 14 Jul	Icelandair
19 Jul - 03 Aug	Icelandair
19 Jul - 10 Aug	Icelandair
22 Jul - 29 Jul	Icelandair
10 Jul - 24 Jul	Icelandair
24 Jul - 01 Aug	TAP
22 Jul - 06 Aug	TAP
02 Jul - 23 Jul	Icelandair
03 Jul - 07 Jul	Icelandair
03 Jul - 08 Jul	Icelandair
01 Jul - 12 Jul	Icelandair
07 Jul - 16 Jul	Icelandair
17 Jul - 01 Aug	Icelandair
12 Jul - 26 Jul	Air Canada
02 Jul - 23 Jul	Aer Lingus	direct

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

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 July from 562€

Return flights