Cheapest one-way flights from Chicago to Dublin in December from 213€

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

One-Way flights

02 Dec Spirit Airlines
03 Dec Frontier Airlines
05 Dec Icelandair
06 Dec Spirit Airlines
31 Dec Icelandair
11 Dec Spirit Airlines
14 Dec Spirit Airlines
13 Dec Frontier Airlines
24 Dec Spirit Airlines
31 Dec United direct

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

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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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