Cheapest return flights from Chicago to Dublin in October from $455

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

Return flights

28 Oct - 18 Nov Scandinavian Airlines
04 Oct - 10 Nov American Airlines
28 Oct - 18 Nov Aer Lingus direct
22 Oct - 26 Oct Scandinavian Airlines
02 Oct - 06 Oct Icelandair
10 Oct - 17 Oct Scandinavian Airlines
14 Oct - 25 Oct Scandinavian Airlines
01 Oct - 08 Oct Turkish Airlines
08 Oct - 15 Oct Turkish Airlines
09 Oct - 16 Oct Finnair
08 Oct - 15 Oct Aer Lingus direct
09 Oct - 16 Oct Aer Lingus direct
14 Oct - 25 Oct Aer Lingus direct

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

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