Cheapest return flights from Washington to Dublin in May from $465

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

Return flights

07 May - 13 May jetBlue
06 May - 13 May jetBlue
01 May - 08 May jetBlue
01 May - 09 May jetBlue
07 May - 20 May jetBlue
06 May - 20 May jetBlue
07 May - 12 May jetBlue
14 May - 19 May jetBlue
14 May - 03 Jun jetBlue
18 May - 02 Jun jetBlue
17 May - 24 May jetBlue
20 May - 05 Jun jetBlue
20 May - 03 Jun jetBlue
19 May - 24 May Icelandair
22 May - 06 Jun Air Canada

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

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