AirHint found the following cheapest return flights from Helsinki (HEL) to Chicago (ORD) in October 2026 (see full year).
Return flights
| 09 Oct - 14 Oct | Scandinavian Airlines | ||
| 06 Oct - 27 Oct | Lufthansa | ||
| 09 Oct - 14 Oct | British Airways | direct |
Also check the deals for one-way flights from Helsinki to Chicago in October.
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