Cheapest return flights from Chicago to Dublin in October from $408

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

Return flights

16 Oct - 21 Oct TAP
09 Oct - 14 Oct TAP
27 Oct - 06 Nov Scandinavian Airlines
31 Oct - 08 Nov Scandinavian Airlines
16 Oct - 22 Oct TAP
23 Oct - 30 Oct Scandinavian Airlines
21 Oct - 28 Oct Scandinavian Airlines
19 Oct - 29 Oct Scandinavian Airlines
29 Oct - 04 Nov TAP
14 Oct - 19 Oct Scandinavian Airlines
25 Oct - 01 Nov Scandinavian Airlines
15 Oct - 22 Oct TAP
12 Oct - 19 Oct Scandinavian Airlines
02 Oct - 07 Oct TAP
27 Oct - 06 Nov Aer Lingus direct
26 Oct - 02 Nov Aer Lingus direct
31 Oct - 07 Nov Aer Lingus direct
29 Oct - 04 Nov Aer Lingus direct
31 Oct - 08 Nov Aer Lingus direct
25 Oct - 01 Nov 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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