Cheapest return flights from Chicago to Dublin in December from 495€

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

02 Dec - 09 Dec Icelandair
02 Dec - 09 Dec Aer Lingus direct
10 Dec - 17 Dec United
29 Dec - 04 Jan SWISS
14 Dec - 23 Dec Lufthansa
23 Dec - 28 Dec SWISS
10 Dec - 17 Dec Aer Lingus direct
22 Dec - 31 Dec SWISS
21 Dec - 28 Dec TAP
22 Dec - 28 Dec SWISS
20 Dec - 27 Dec Lufthansa

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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