Cheapest return flights from Chicago to Dublin in September from 379€

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

Return flights

02 Sep - 09 Sep Scandinavian Airlines
18 Sep - 29 Sep Scandinavian Airlines
06 Sep - 15 Sep Scandinavian Airlines
06 Sep - 15 Sep Finnair direct
22 Sep - 29 Sep United direct
18 Sep - 29 Sep Finnair direct
02 Sep - 08 Sep United
02 Sep - 09 Sep Aer Lingus direct
02 Sep - 07 Sep United

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

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