Cheapest return flights from Chicago to Dublin in October from 458€

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

01 Oct - 09 Oct TAP
20 Oct - 26 Oct Scandinavian Airlines
21 Oct - 04 Nov Iberia
24 Oct - 07 Nov TAP
01 Oct - 08 Oct TAP
08 Oct - 15 Oct Finnair
08 Oct - 15 Oct Aer Lingus direct
26 Oct - 09 Nov British Airways
31 Oct - 12 Nov Iberia
18 Oct - 25 Oct TAP
13 Oct - 22 Oct United
13 Oct - 22 Oct United direct
22 Oct - 26 Oct TAP
01 Oct - 08 Oct United direct
31 Oct - 12 Nov Aer Lingus direct
26 Oct - 09 Nov Aer Lingus direct
21 Oct - 04 Nov Aer Lingus direct
24 Oct - 07 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin