Cheapest return flights from Istanbul to Helsinki in October from $174

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

11 Oct - 17 Oct Pegasus Airlines direct
03 Oct - 25 Oct Pegasus Airlines direct
15 Oct - 19 Oct airBaltic
03 Oct - 11 Oct airBaltic
29 Oct - 05 Nov Pegasus Airlines
29 Oct - 05 Nov Pegasus Airlines direct
25 Oct - 31 Oct Pegasus Airlines
15 Oct - 19 Oct Pegasus Airlines direct
25 Oct - 31 Oct Pegasus Airlines direct
03 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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