Cheapest return flights from Washington to Dublin in May from $519

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

Return flights

07 May - 12 May Scandinavian Airlines
01 May - 10 May Scandinavian Airlines
04 May - 14 May Scandinavian Airlines
02 May - 10 May Scandinavian Airlines
06 May - 14 May Scandinavian Airlines
05 May - 12 May Icelandair
14 May - 22 May Scandinavian Airlines
13 May - 20 May Scandinavian Airlines
16 May - 24 May Scandinavian Airlines
13 May - 21 May Scandinavian Airlines
20 May - 07 Jun Icelandair
24 May - 02 Jun Air Canada
24 May - 02 Jun Aer Lingus direct
25 May - 02 Jun United
27 May - 04 Jun United
25 May - 01 Jun British Airways
25 May - 02 Jun Aer Lingus direct
27 May - 04 Jun Aer Lingus direct
24 May - 01 Jun SWISS
31 May - 08 Jun SWISS

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

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