Cheapest return flights from Chicago to Helsinki in October from 360€

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

Return flights

28 Oct - 03 Nov Scandinavian Airlines
29 Oct - 19 Nov Scandinavian Airlines
20 Oct - 05 Nov Scandinavian Airlines
27 Oct - 03 Nov Scandinavian Airlines
21 Oct - 11 Nov Scandinavian Airlines
26 Oct - 02 Nov Scandinavian Airlines
06 Oct - 01 Nov Scandinavian Airlines
06 Oct - 22 Oct Scandinavian Airlines
23 Oct - 03 Nov Scandinavian Airlines
22 Oct - 12 Nov Icelandair
28 Oct - 24 Nov Icelandair
15 Oct - 29 Oct SWISS
14 Oct - 28 Oct SWISS
07 Oct - 18 Oct Austrian Airlines
11 Oct - 20 Oct Austrian Airlines
07 Oct - 14 Oct Spirit Airlines
08 Oct - 15 Oct Icelandair
06 Oct - 13 Oct Austrian Airlines
08 Oct - 17 Oct Air France

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

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.

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