AirHint found the following cheapest return flights from Istanbul (IST) to Helsinki (HEL) in October 2026 (see full year).
Return flights
| 12 Oct - 15 Oct | airBaltic | ||
| 12 Oct - 16 Oct | Pegasus Airlines | direct | |
| 22 Oct - 24 Oct | AJet | ||
| 22 Oct - 24 Oct | Pegasus Airlines | direct | |
| 12 Oct - 15 Oct | Turkish Airlines | direct |
Also check the deals for one-way flights from Istanbul to Helsinki in October.
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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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