Cheapest return flights from Chicago to Dublin in October from 405€

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

Return flights

26 Oct - 02 Nov Aer Lingus direct
07 Oct - 14 Oct Aer Lingus
05 Oct - 19 Oct Scandinavian Airlines
09 Oct - 16 Oct Aer Lingus direct
01 Oct - 30 Nov SWISS
11 Oct - 17 Oct SWISS
01 Oct - 30 Nov Aer Lingus direct
02 Oct - 10 Oct Aer Lingus direct
07 Oct - 14 Oct Brussels Airlines direct
05 Oct - 19 Oct Brussels Airlines direct
11 Oct - 17 Oct Brussels Airlines direct

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

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