Cheapest return flights from Chicago to Dublin in December from 429€

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
03 Dec - 10 Dec Aer Lingus direct
02 Dec - 16 Dec United direct
08 Dec - 15 Dec Icelandair
13 Dec - 20 Dec Icelandair
05 Dec - 19 Dec Icelandair
05 Dec - 19 Dec United direct
30 Dec - 06 Jan United
28 Dec - 09 Jan Aer Lingus
08 Dec - 15 Dec Aer Lingus direct
03 Dec - 07 Dec Scandinavian Airlines
03 Dec - 07 Dec Aer Lingus direct
23 Dec - 06 Jan Icelandair
04 Dec - 01 Jan United
27 Dec - 04 Jan Air Canada
29 Dec - 07 Jan Aer Lingus
19 Dec - 01 Jan Air Canada
30 Dec - 02 Jan Icelandair
19 Dec - 02 Jan Air Canada
04 Dec - 01 Jan Aer Lingus direct

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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