AirHint found the following cheapest return flights from Helsinki (HEL) to Chicago (ORD) in September 2026 (see full year).
Return flights
| 24 Sep - 04 Oct | Scandinavian Airlines | ||
| 24 Sep - 05 Oct | Scandinavian Airlines | ||
| 11 Sep - 16 Sep | Scandinavian Airlines | ||
| 24 Sep - 04 Oct | British Airways | direct | |
| 24 Sep - 05 Oct | Finnair | direct |
Also check the deals for one-way flights from Helsinki to Chicago in September.
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