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

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Dates, airline, and price
Dates	Airline	Price
08 May	Icelandair
08 May	Aer Lingus Direct Flight
04 May	Aer Lingus Direct Flight
09 May	Aer Lingus Direct Flight
10 May	Aer Lingus Direct Flight
02 May	Aer Lingus Direct Flight
03 May	Aer Lingus Direct Flight
13 May	Aer Lingus Direct Flight
05 May	Aer Lingus Direct Flight
06 May	Aer Lingus Direct Flight

deals for return flights from Boston to Dublin in May.

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Updated Aug 26, 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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Cheapest one-way flights from Boston (BOS) to Dublin (DUB), May

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