Cheapest return flights from Chicago to Helsinki in December from $451

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

Return flights

09 Dec - 11 Jan Scandinavian Airlines
05 Dec - 12 Dec Scandinavian Airlines
10 Dec - 11 Jan Scandinavian Airlines
02 Dec - 07 Dec Scandinavian Airlines
11 Dec - 11 Jan Scandinavian Airlines
24 Dec - 04 Jan Scandinavian Airlines
12 Dec - 19 Dec Scandinavian Airlines
29 Dec - 04 Jan Icelandair
30 Dec - 06 Jan Finnair
04 Dec - 11 Dec Scandinavian Airlines
19 Dec - 26 Dec Scandinavian Airlines
21 Dec - 01 Jan United
23 Dec - 30 Dec Finnair

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

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