Cheapest return flights from Boston to Dublin in August from $408

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

Return flights

06 Aug - 19 Aug Aer Lingus direct
06 Aug - 20 Aug Aer Lingus direct
06 Aug - 21 Aug Aer Lingus direct
06 Aug - 22 Aug Aer Lingus direct
20 Aug - 03 Sep Aer Lingus direct
12 Aug - 24 Aug Aer Lingus direct
13 Aug - 22 Aug Air Canada
15 Aug - 22 Aug Air Canada
14 Aug - 27 Aug Air Canada
18 Aug - 24 Aug United
15 Aug - 23 Aug Air Canada
06 Aug - 06 Sep Air France direct
30 Aug - 06 Sep Aer Lingus direct
29 Aug - 01 Sep Aer Lingus direct
30 Aug - 02 Sep Aer Lingus direct

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

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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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