Cheapest return flights from Washington to Dublin in May from 355€

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

Return flights

04 May - 11 May Icelandair
05 May - 12 May Icelandair
05 May - 12 May United direct
05 May - 11 May British Airways
04 May - 11 May Aer Lingus direct
13 May - 20 May British Airways
04 May - 15 May British Airways
14 May - 21 May Icelandair
14 May - 06 Jun Icelandair
14 May - 21 May Aer Lingus direct
24 May - 31 May Aer Lingus direct
14 May - 06 Jun United direct

Also check the deals for one-way 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Feel free to contact us with any feedback or request another flight research.