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

Return flights

19 Jun - 03 Jul	Icelandair
05 Jun - 07 Jun	KLM
01 Jun - 07 Jun	KLM
16 Jun - 23 Jun	Delta
16 Jun - 28 Jun	Delta
15 Jun - 23 Jun	Delta
15 Jun - 24 Jun	Delta
16 Jun - 22 Jun	KLM
15 Jun - 22 Jun	KLM
16 Jun - 24 Jun	Delta
06 Jun - 11 Jun	Air France
15 Jun - 13 Jul	Lufthansa
17 Jun - 03 Jul	Lufthansa
10 Jun - 02 Jul	Air Canada
11 Jun - 02 Jul	Air Canada
12 Jun - 02 Jul	Air Canada
21 Jun - 05 Jul	Air Transat
10 Jun - 02 Jul	Air France	direct
26 Jun - 05 Jul	Lufthansa
30 Jun - 14 Jul	Lufthansa

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.

Book a cheap hotel in Boston

Cheap car rent in Boston

Cheapest return flights from Dublin to Boston in June from $468

Return flights