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

Return flights

08 Jun - 16 Jun	Air Canada
16 Jun - 23 Jun	Delta
24 Jun - 01 Jul	Air France
17 Jun - 22 Jun	American Airlines
11 Jun - 18 Jun	Delta
25 Jun - 02 Jul	Delta
18 Jun - 26 Jun	United
02 Jun - 09 Jun	jetBlue
18 Jun - 05 Jul	American Airlines
17 Jun - 21 Jun	jetBlue
17 Jun - 24 Jun	United
18 Jun - 25 Jun	jetBlue
28 Jun - 07 Jul	Icelandair
18 Jun - 30 Jun	Iberia
23 Jun - 20 Jul	Icelandair

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 $1031

Return flights