Cheapest return flights from Chicago to Dublin in December from 531€

Best time to book flights for Chicago (ORD) to Dublin (DUB) flights at AirHint

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

Return flights

03 Dec - 17 Dec SWISS
26 Dec - 03 Jan Lufthansa
22 Dec - 29 Dec SWISS
20 Dec - 03 Jan Lufthansa
03 Dec - 17 Dec Aer Lingus direct

Also check the deals for one-way flights from Chicago to Dublin in December.

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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