Cheapest return flights from Chicago to Dublin in May from 403€

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

Return flights

05 May - 12 May Aer Lingus direct
03 May - 13 May Aer Lingus direct
13 May - 26 May Icelandair
12 May - 19 May Icelandair
12 May - 19 May Aer Lingus direct
13 May - 19 May Icelandair
13 May - 21 May Icelandair
13 May - 20 May Icelandair
13 May - 22 May Icelandair
10 May - 16 May Icelandair
27 May - 03 Jun Aer Lingus direct
24 May - 02 Jun Air Canada
29 May - 05 Jun Aer Lingus direct
23 May - 01 Jun Air Canada
27 May - 07 Jun Delta
31 May - 07 Jun Air Canada
27 May - 24 Jun Air France
30 May - 06 Jun Air Canada
24 May - 02 Jun Aer Lingus direct
30 May - 08 Jun Spirit Airlines

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

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