Cheapest return flights from Chicago to Dublin in December from 574€

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

Return flights

30 Dec - 14 Jan Air France
30 Dec - 16 Jan Delta
24 Dec - 23 Jan Delta
24 Dec - 17 Jan Delta
29 Dec - 05 Jan KLM
23 Dec - 12 Jan Frontier Airlines
23 Dec - 14 Jan KLM
25 Dec - 01 Jan Delta
23 Dec - 29 Dec Frontier Airlines
23 Dec - 06 Jan Frontier Airlines
31 Dec - 05 Jan Delta
23 Dec - 30 Dec Air France
25 Dec - 30 Dec Southwest Airlines
22 Dec - 28 Dec Air France

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

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