Cheapest return flights from Chicago to Dublin in December from $358

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

Return flights

01 Dec - 11 Dec Icelandair
05 Dec - 10 Dec Icelandair
02 Dec - 09 Dec Icelandair
05 Dec - 12 Dec Icelandair
25 Dec - 17 Jan Scandinavian Airlines
29 Dec - 24 Jan Scandinavian Airlines
09 Dec - 18 Dec Air Canada
01 Dec - 11 Dec Aer Lingus direct
09 Dec - 18 Dec Aer Lingus direct
02 Dec - 09 Dec Aer Lingus direct
28 Dec - 09 Jan Aer Lingus direct
15 Dec - 10 Jan Scandinavian Airlines
25 Dec - 12 Jan Scandinavian Airlines
24 Dec - 11 Jan Scandinavian Airlines
14 Dec - 22 Dec Air Canada
29 Dec - 07 Jan Aer Lingus direct
25 Dec - 07 Jan Scandinavian Airlines
26 Dec - 17 Jan Icelandair
07 Dec - 14 Dec Aer Lingus direct
29 Dec - 05 Jan SWISS

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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