Cheapest return flights from Washington to Dublin in May from $523

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

Return flights

04 May - 13 May Icelandair
24 May - 24 Jun Icelandair
02 May - 09 May Aer Lingus direct
02 May - 10 May Aer Lingus direct
01 May - 10 May Aer Lingus direct
04 May - 12 May Aer Lingus direct
01 May - 07 May Aer Lingus direct
08 May - 13 May Aer Lingus direct
08 May - 13 May British Airways
01 May - 04 May Aer Lingus direct
04 May - 13 May Aer Lingus direct
28 May - 04 Jun Icelandair
29 May - 05 Jun Icelandair
28 May - 21 Jun Icelandair
20 May - 03 Jun Icelandair
30 May - 06 Jun Icelandair
31 May - 07 Jun Air Canada
30 May - 06 Jun Aer Lingus direct
31 May - 07 Jun Aer Lingus direct
22 May - 06 Jun Air Canada

Also check the deals for one-way flights from Washington to Dublin in May.

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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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