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

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Dates, airline, and price
Dates	Airline	Price
12 Dec	Icelandair
02 Dec	Icelandair
09 Dec	Icelandair
08 Dec	Aer Lingus
07 Dec	Aer Lingus
02 Dec	Aer Lingus Direct Flight
08 Dec	Aer Lingus Direct Flight
13 Dec	Aer Lingus Direct Flight
29 Dec	Aer Lingus
07 Dec	Aer Lingus Direct Flight

deals for return flights from Boston to Dublin in December.

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

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