Cheapest return flights from Washington to Dublin in May from 450€

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

Return flights

06 May - 13 May Scandinavian Airlines
02 May - 09 May Icelandair
05 May - 12 May Icelandair
03 May - 10 May Scandinavian Airlines
04 May - 11 May Icelandair
04 May - 15 May Icelandair
06 May - 20 May Scandinavian Airlines
06 May - 10 May Icelandair
05 May - 12 May Aer Lingus direct
06 May - 13 May Aer Lingus direct
18 May - 02 Jun Icelandair
14 May - 03 Jun Turkish Airlines
20 May - 05 Jun Icelandair
20 May - 05 Jun United direct
18 May - 02 Jun Aer Lingus direct
08 May - 01 Jun Aer Lingus direct
30 May - 16 Jun Aer Lingus direct
14 May - 05 Jun Air Canada
14 May - 03 Jun Aer Lingus direct

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

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