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

Return flights

18 Jun - 22 Jun	Iberia
03 Jun - 08 Jun	Icelandair
06 Jun - 13 Jun	Icelandair
04 Jun - 07 Jun	Icelandair
04 Jun - 09 Jun	Icelandair
03 Jun - 24 Jun	Icelandair
03 Jun - 17 Jun	Icelandair
01 Jun - 28 Jun	Icelandair
01 Jun - 15 Jun	Icelandair
06 Jun - 20 Jun	Icelandair
10 Jun - 22 Jul	Lufthansa
09 Jun - 08 Jul	SWISS
09 Jun - 04 Jul	SWISS
11 Jun - 19 Jul	Lufthansa
12 Jun - 26 Jul	Lufthansa
18 Jun - 02 Jul	SWISS
19 Jun - 05 Jul	SWISS
12 Jun - 01 Jul	Aer Lingus	direct
11 Jun - 01 Jul	Aer Lingus	direct
09 Jun - 01 Jul	SWISS

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

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 June from 438€

Return flights