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

One-Way flights

08 Oct	Pegasus Airlines	direct
11 Oct	Pegasus Airlines	direct
22 Oct	Pegasus Airlines
07 Oct	Pegasus Airlines
03 Oct	Pegasus Airlines	direct
02 Oct	Pegasus Airlines	direct
04 Oct	Pegasus Airlines	direct
23 Oct	Pegasus Airlines
16 Oct	Pegasus Airlines
09 Oct	AJet

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

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 October from $74

One-Way flights