Cheapest return flights from Helsinki to Chicago in September from $598

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

Return flights

17 Sep - 21 Sep Scandinavian Airlines
11 Sep - 27 Sep Air France
23 Sep - 30 Sep Air France
22 Sep - 30 Sep Air France
10 Sep - 30 Sep Turkish Airlines
09 Sep - 16 Sep Ryanair
27 Sep - 02 Oct Scandinavian Airlines

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

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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