Cheapest return flights from Chicago to Dublin in December from 328€

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

Return flights

05 Dec - 12 Dec Icelandair
03 Dec - 09 Dec Icelandair
01 Dec - 12 Dec Icelandair
10 Dec - 18 Jan Icelandair
03 Dec - 10 Dec Icelandair
04 Dec - 10 Dec Icelandair
01 Dec - 12 Dec Aer Lingus direct
09 Dec - 16 Dec Aer Lingus direct
10 Dec - 17 Dec Aer Lingus direct
08 Dec - 16 Dec Aer Lingus direct
10 Dec - 23 Dec Aer Lingus direct
28 Dec - 16 Jan Aer Lingus direct
28 Dec - 17 Jan Aer Lingus direct
28 Dec - 09 Jan Aer Lingus direct
29 Dec - 07 Jan Aer Lingus direct
25 Dec - 12 Jan Icelandair
25 Dec - 10 Jan Icelandair
12 Dec - 18 Jan TAP
25 Dec - 17 Jan Aer Lingus direct
27 Dec - 17 Jan Aer Lingus 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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