Cheapest one-way flights from Chicago to Dublin in October from 204€

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

One-Way flights

19 Oct Spirit Airlines
20 Oct Frontier Airlines
12 Oct Icelandair
29 Oct Icelandair
08 Oct Spirit Airlines
14 Oct Spirit Airlines
26 Oct Spirit Airlines
13 Oct Sun Country Airlines
09 Oct Icelandair
30 Oct Icelandair

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.

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