AirHint found the following cheapest one-way flights from Helsinki (HEL) to Istanbul (IST) in December 2026 (see full year).
One-Way flights
| 23 Dec | airBaltic | ||
| 08 Dec | Scandinavian Airlines | ||
| 08 Dec | Turkish Airlines | direct | |
| 24 Dec | Lufthansa | ||
| 29 Dec | KLM | ||
| 24 Dec | Turkish Airlines | direct | |
| 29 Dec | Turkish Airlines | direct | |
| 18 Dec | Turkish Airlines | direct |
Also check the deals for return flights from Helsinki to Istanbul in December.
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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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