Cheapest one-way flights from Washington to Dublin in May from $290

Best time to book flights for Washington (IAD) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest one-way flights from Washington (IAD) to Dublin (DUB) in May 2025 (see full year).

One-Way flights

31 May Air Canada
19 May Frontier Airlines
20 May Porter Airlines (Canada) Ltd
22 May Frontier Airlines
21 May Icelandair
27 May British Airways
20 May United direct
21 May United direct
19 May United direct
22 May United direct

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

Skyscanner

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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