Cheapest one-way flights from Chicago to Helsinki in December from $412

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

One-Way flights

28 Dec Icelandair
15 Dec British Airways
20 Dec Icelandair

Also check the deals for return flights from Chicago to Helsinki in December.

Skyscanner

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 Helsinki

Cheap car rent in Helsinki

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