Cheapest return ORD–DUB flights, October

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

Return flights

05 Oct - 12 Oct Scandinavian Airlines
20 Oct - 13 Nov Scandinavian Airlines
20 Oct - 13 Nov Aer Lingus direct
16 Oct - 23 Oct Air Canada
01 Oct - 15 Oct Turkish Airlines
16 Oct - 25 Oct TAP
14 Oct - 21 Oct Aer Lingus direct
02 Oct - 11 Oct TAP
03 Oct - 11 Oct TAP
02 Oct - 18 Oct TAP
09 Oct - 16 Oct Aer Lingus direct
01 Oct - 15 Oct Aer Lingus direct
28 Oct - 01 Nov Aer Lingus direct

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

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