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

Return flights

11 Jun - 18 Jun	TAP
02 Jun - 06 Jun	TAP
03 Jun - 06 Jun	TAP
07 Jun - 13 Jun	TAP
01 Jun - 06 Jun	TAP
16 Jun - 23 Jun	Air Canada
12 Jun - 19 Jun	TAP
30 Jun - 07 Jul	TAP
24 Jun - 01 Jul	Lufthansa
25 Jun - 02 Jul	TAP
23 Jun - 20 Jul	United
08 Jun - 14 Jun	United
21 Jun - 30 Jun	Brussels Airlines
26 Jun - 03 Jul	Icelandair
01 Jun - 08 Jun	Aer Lingus	direct
23 Jun - 20 Jul	Aer Lingus	direct
27 Jun - 04 Jul	Icelandair
28 Jun - 05 Jul	Icelandair
29 Jun - 06 Jul	Icelandair
24 Jun - 03 Jul	United

Also check the deals for one-way flights from Washington to Dublin 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 Washington to Dublin in June from 575€

Return flights