Cheapest return ORD–DUB flights, December

AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB) in December 2026 (see full year).

Return flights

03 Dec - 08 Dec Scandinavian Airlines
13 Dec - 07 Jan Scandinavian Airlines
20 Dec - 10 Jan Scandinavian Airlines
03 Dec - 08 Dec Aer Lingus direct
23 Dec - 31 Dec Air Canada
13 Dec - 07 Jan Brussels Airlines direct
22 Dec - 03 Jan Air Canada
23 Dec - 31 Dec United direct
15 Dec - 20 Dec Brussels Airlines direct
20 Dec - 10 Jan Brussels Airlines direct
22 Dec - 29 Dec Brussels Airlines direct
22 Dec - 03 Jan Aer Lingus direct

Also check the deals for one-way flights from Chicago to Dublin in December.

Powered by

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Feel free to contact us with any feedback or request another flight research.