Cheapest one-way flights from Istanbul to Helsinki in December from $72

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

One-Way flights

09 Dec Pegasus Airlines direct
08 Dec Pegasus Airlines direct
16 Dec Pegasus Airlines direct
02 Dec Pegasus Airlines
03 Dec Pegasus Airlines
18 Dec Pegasus Airlines
04 Dec Pegasus Airlines
07 Dec Pegasus Airlines direct
10 Dec Pegasus Airlines
03 Dec Pegasus Airlines direct

Also check the deals for return flights from Istanbul to Helsinki 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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