Cheapest one-way flights from Washington to Dublin in June from $310

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

One-Way flights

03 Jun Frontier Airlines
17 Jun Porter Airlines (Canada) Ltd
13 Jun Frontier Airlines
28 Jun Icelandair
19 Jun Frontier Airlines
18 Jun Porter Airlines (Canada) Ltd
27 Jun Porter Airlines (Canada) Ltd
13 Jun United direct
19 Jun United direct
03 Jun United direct

Also check the deals for return flights from Washington to Dublin in June.

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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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