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

Return flights

03 Mar - 08 Mar	Icelandair
02 Mar - 08 Mar	Icelandair
04 Mar - 10 Mar	Icelandair
04 Mar - 11 Mar	Icelandair
06 Mar - 10 Mar	Icelandair
05 Mar - 11 Mar	Icelandair
05 Mar - 09 Mar	Icelandair
06 Mar - 09 Mar	Icelandair
30 Mar - 12 Apr	Scandinavian Airlines
31 Mar - 05 Apr	Scandinavian Airlines
06 Mar - 08 Mar	Icelandair
03 Mar - 10 Mar	Icelandair
25 Mar - 06 Apr	KLM
25 Mar - 05 Apr	KLM
16 Mar - 05 Apr	KLM
31 Mar - 12 Apr	Scandinavian Airlines
31 Mar - 06 Apr	KLM
31 Mar - 29 Apr	KLM
30 Mar - 13 Apr	Delta
31 Mar - 08 Apr	KLM

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

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 Dublin to Boston in March from $432

Return flights