Cheapest return flights from Chicago to Dublin in October from $511

Best time to book flights for Chicago (ORD) to Dublin (DUB) flights at AirHint

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

Return flights

06 Oct - 13 Oct Scandinavian Airlines
16 Oct - 21 Oct TAP
11 Oct - 17 Oct TAP
04 Oct - 11 Oct TAP
27 Oct - 07 Nov Turkish Airlines
22 Oct - 31 Oct TAP
27 Oct - 07 Nov Aer Lingus direct
22 Oct - 01 Nov Aer Lingus direct
15 Oct - 22 Oct TAP
29 Oct - 02 Nov Aer Lingus direct
31 Oct - 07 Nov United
02 Oct - 05 Oct Turkish Airlines
31 Oct - 03 Nov Aer Lingus direct
30 Oct - 02 Nov Aer Lingus direct
29 Oct - 03 Nov KLM
29 Oct - 03 Nov Aer Lingus direct
15 Oct - 22 Oct Aer Lingus direct
21 Oct - 28 Oct United
16 Oct - 21 Oct Aer Lingus direct

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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