Cheapest one-way flights from Boston (BOS) to Dublin (DUB), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
16 Sep Porter Airlines (Canada) Ltd
09 Sep Porter Airlines (Canada) Ltd
01 Sep Porter Airlines (Canada) Ltd
23 Sep Porter Airlines (Canada) Ltd
14 Sep Icelandair
02 Sep Porter Airlines (Canada) Ltd
04 Sep Porter Airlines (Canada) Ltd
05 Sep Porter Airlines (Canada) Ltd
23 Sep Aer Lingus
Direct Flight
11 Sep Aer Lingus
Direct Flight
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deals for return flights from Boston to Dublin in September.

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Updated Jul 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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