Cheapest return flights from Chicago to Dublin in December from 348€

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

Return flights

03 Dec - 10 Dec Icelandair
06 Dec - 13 Dec Icelandair
05 Dec - 10 Dec Icelandair
01 Dec - 11 Dec Icelandair
10 Dec - 22 Dec Lufthansa
02 Dec - 09 Dec Aer Lingus direct
03 Dec - 10 Dec Aer Lingus direct
09 Dec - 16 Dec Aer Lingus direct
01 Dec - 11 Dec Aer Lingus direct
28 Dec - 09 Jan Aer Lingus direct
27 Dec - 07 Jan Air Canada
12 Dec - 19 Dec Icelandair
03 Dec - 05 Jan Scandinavian Airlines
26 Dec - 09 Jan Aer Lingus direct
01 Dec - 31 Jan Aer Lingus direct
25 Dec - 17 Jan Scandinavian Airlines
24 Dec - 11 Jan Scandinavian Airlines
25 Dec - 12 Jan Lufthansa
27 Dec - 07 Jan Aer Lingus direct
26 Dec - 05 Jan Lufthansa

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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