Cheapest one-way flights from Istanbul to Helsinki in December from $73

AirHint found the following cheapest one-way flights from Istanbul (IST) to Helsinki (HEL) in December 2025 (see full year).

One-Way flights

11 Dec Pegasus Airlines direct
13 Dec Pegasus Airlines direct
05 Dec Pegasus Airlines direct
24 Dec Pegasus Airlines direct
23 Dec Pegasus Airlines direct
09 Dec Pegasus Airlines
09 Dec Pegasus Airlines direct
31 Dec Pegasus Airlines direct

Also check the deals for return flights from Istanbul to Helsinki in December.

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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