Cheapest one-way flights from Chicago to Dublin in December from 288€

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

One-Way flights

30 Dec Icelandair
24 Dec SWISS
29 Dec Lufthansa
28 Dec TAP
27 Dec Lufthansa
29 Dec Brussels Airlines direct
30 Dec Brussels Airlines direct
26 Dec Frontier Airlines
26 Dec Brussels Airlines direct
27 Dec Brussels Airlines 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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