Cheapest return flights from Istanbul to Helsinki in October from $216

Best time to book flights for Istanbul (IST) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Helsinki (HEL) in October 2025 (see full year).

Return flights

10 Oct - 17 Oct Pegasus Airlines direct
16 Oct - 22 Oct airBaltic
16 Oct - 22 Oct Pegasus Airlines direct
01 Oct - 11 Oct airBaltic
10 Oct - 12 Oct airBaltic
10 Oct - 11 Oct airBaltic
28 Oct - 31 Oct Air France
26 Oct - 29 Oct Air France
10 Oct - 12 Oct Pegasus Airlines direct
01 Oct - 11 Oct Pegasus Airlines direct

Also check the deals for one-way flights from Istanbul to Helsinki in October.

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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