Cheapest return flights from Chicago to Dublin in December from $434

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

Return flights

01 Dec - 08 Dec Scandinavian Airlines
28 Dec - 09 Jan Scandinavian Airlines
29 Dec - 07 Jan Scandinavian Airlines
13 Dec - 19 Dec Scandinavian Airlines
14 Dec - 19 Dec Scandinavian Airlines
13 Dec - 18 Dec Scandinavian Airlines
05 Dec - 12 Dec Icelandair
10 Dec - 17 Dec United
25 Dec - 07 Jan Scandinavian Airlines
01 Dec - 08 Dec Aer Lingus direct
24 Dec - 06 Jan Scandinavian Airlines
14 Dec - 20 Dec Scandinavian Airlines
30 Dec - 06 Jan United
10 Dec - 17 Dec Aer Lingus direct
14 Dec - 29 Dec Scandinavian Airlines
29 Dec - 07 Jan Aer Lingus direct
30 Dec - 06 Jan Aer Lingus direct
25 Dec - 07 Jan Aer Lingus direct
18 Dec - 04 Jan Frontier Airlines
18 Dec - 04 Jan Brussels Airlines direct

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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