Cheapest return flights from Chicago to Dublin in October from 357€

AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB) in October 2025 (see full year).

Return flights

29 Oct - 05 Nov Aer Lingus direct
26 Oct - 04 Nov Aer Lingus direct
27 Oct - 05 Nov Aer Lingus direct
28 Oct - 22 Nov Frontier Airlines
27 Oct - 01 Nov Aer Lingus direct
28 Oct - 22 Nov Aer Lingus direct
27 Oct - 02 Nov Aer Lingus direct
21 Oct - 15 Nov Aer Lingus direct
22 Oct - 15 Nov Aer Lingus direct
28 Oct - 08 Nov Aer Lingus direct
22 Oct - 29 Oct Lufthansa
22 Oct - 27 Oct Aer Lingus direct
21 Oct - 31 Oct Lufthansa
20 Oct - 29 Oct Lufthansa
16 Oct - 22 Oct Aer Lingus direct
16 Oct - 23 Oct Aer Lingus direct
20 Oct - 27 Oct Aer Lingus direct
21 Oct - 30 Oct Lufthansa
17 Oct - 20 Oct Aer Lingus direct
21 Oct - 28 Oct Air France

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

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