Cheapest return flights from Chicago to Dublin in May from $432

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

Return flights

06 May - 10 May Icelandair
03 May - 10 May Icelandair
01 May - 10 May Icelandair
03 May - 08 May Icelandair
03 May - 13 May Icelandair
01 May - 08 May Icelandair
03 May - 13 May Aer Lingus direct
01 May - 15 May Icelandair
02 May - 09 May Icelandair
02 May - 10 May Icelandair
13 May - 17 Jun Icelandair
18 May - 05 Jun Aer Lingus direct
07 May - 02 Jun Aer Lingus direct
27 May - 05 Jun Aer Lingus direct
24 May - 10 Jun Aer Lingus direct
15 May - 15 Jun Icelandair
30 May - 09 Jun Aer Lingus direct
29 May - 03 Jun Aer Lingus direct
27 May - 01 Jun Aer Lingus direct
27 May - 19 Jun Air Canada

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

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