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

One-Way flights

10 Dec	AJet
19 Dec	Pegasus Airlines
17 Dec	Pegasus Airlines
29 Dec	Pegasus Airlines
22 Dec	Pegasus Airlines
20 Dec	Pegasus Airlines
16 Dec	Pegasus Airlines	direct
21 Dec	Pegasus Airlines
13 Dec	Pegasus Airlines	direct
22 Dec	Pegasus Airlines	direct

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

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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Cheapest one-way flights from Istanbul to Helsinki in December from 79€

One-Way flights