Cheapest one-way flights from Chicago to Dublin in October from 189€

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

One-Way flights

18 Oct TAP
02 Oct TAP
19 Oct TAP
31 Oct TAP
15 Oct Frontier Airlines
20 Oct Frontier Airlines
01 Oct Spirit Airlines
04 Oct TAP
13 Oct Spirit Airlines
14 Oct Spirit Airlines

Also check the deals for return 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

Feel free to contact us with any feedback or request another flight research.