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Cheapest one-way flights from Chicago (ORD) to Dublin (DUB), October

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
15 Oct	Frontier Airlines
19 Oct	Icelandair
02 Oct	Icelandair
06 Oct	Icelandair
03 Oct	Icelandair
20 Oct	Icelandair
08 Oct	Icelandair
19 Oct	Aer Lingus Direct Flight
20 Oct	Aer Lingus Direct Flight
26 Oct	Aer Lingus Direct Flight

deals for return flights from Chicago to Dublin in October.

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Updated Jul 20, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Chicago (ORD) to Dublin (DUB), October

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