AirHint found the following cheapest return flights from Boston (BOS) to Dublin (DUB) in July 2025 (see full year).

Return flights

30 Jul - 07 Aug	Air Canada
27 Jul - 06 Aug	jetBlue	direct
22 Jul - 06 Aug	jetBlue
27 Jul - 05 Aug	Air Canada
30 Jul - 05 Aug	Air Canada
22 Jul - 12 Aug	Air Canada
23 Jul - 30 Jul	Air Canada
22 Jul - 29 Jul	Air Canada
22 Jul - 06 Aug	Air France	direct
26 Jul - 05 Aug	Air Canada
16 Jul - 24 Jul	SWISS
31 Jul - 06 Aug	Air Canada
31 Jul - 05 Aug	Air Canada
14 Jul - 17 Jul	jetBlue	direct
13 Jul - 17 Jul	jetBlue	direct
23 Jul - 29 Jul	Air Canada
20 Jul - 24 Jul	jetBlue
21 Jul - 28 Jul	jetBlue	direct
12 Jul - 17 Jul	jetBlue
21 Jul - 25 Jul	Lufthansa

Also check the deals for one-way flights from Boston to Dublin 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 Boston to Dublin in July from $367

Return flights