Cheapest return flights from Chicago to Helsinki in December from 471€

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

Return flights

02 Dec - 09 Dec Icelandair
11 Dec - 11 Jan Scandinavian Airlines
16 Dec - 21 Dec Aer Lingus
21 Dec - 28 Dec Aer Lingus
18 Dec - 25 Dec Scandinavian Airlines
28 Dec - 04 Jan Scandinavian Airlines
19 Dec - 02 Jan Spirit Airlines
20 Dec - 27 Dec Scandinavian Airlines
26 Dec - 02 Jan Scandinavian Airlines
21 Dec - 01 Jan United

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

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