Cheapest return flights from Chicago to Dublin in December from 341€

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

Return flights

08 Dec - 22 Dec Scandinavian Airlines
09 Dec - 16 Dec United direct
10 Dec - 17 Dec United
04 Dec - 11 Dec Aer Lingus direct
08 Dec - 22 Dec United direct
26 Dec - 14 Jan Air Canada
10 Dec - 17 Dec Aer Lingus direct
28 Dec - 09 Jan Aer Lingus direct
11 Dec - 25 Dec Scandinavian Airlines
26 Dec - 14 Jan Aer Lingus direct
14 Dec - 21 Dec United direct
25 Dec - 08 Jan United
24 Dec - 31 Dec United
23 Dec - 29 Dec Air Canada
26 Dec - 04 Jan Scandinavian Airlines
25 Dec - 08 Jan Aer Lingus direct
27 Dec - 01 Jan Scandinavian Airlines
22 Dec - 05 Jan SWISS
20 Dec - 03 Jan Scandinavian Airlines
18 Dec - 03 Jan Scandinavian Airlines

Also check the deals for one-way 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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