Cheapest return flights from Chicago to Helsinki in December from $423

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

Return flights

06 Dec - 14 Dec Scandinavian Airlines
05 Dec - 12 Dec Scandinavian Airlines
10 Dec - 17 Dec Scandinavian Airlines
08 Dec - 23 Dec Scandinavian Airlines
07 Dec - 21 Dec Scandinavian Airlines
20 Dec - 27 Dec Scandinavian Airlines

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