Cheapest one-way flights from Chicago to Dublin in October from 186€

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

One-Way flights

23 Oct TAP
24 Oct TAP
22 Oct Frontier Airlines
18 Oct Spirit Airlines
21 Oct Spirit Airlines
20 Oct Frontier Airlines
30 Oct Frontier Airlines
17 Oct Frontier Airlines
20 Oct United direct
19 Oct United direct

Also check the deals for return flights from Chicago to Dublin in October.

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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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