Cheapest return flights from Istanbul to Helsinki in October from $192

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

Return flights

11 Oct - 16 Oct Pegasus Airlines direct
10 Oct - 13 Oct airBaltic
03 Oct - 05 Oct airBaltic
01 Oct - 05 Oct airBaltic
03 Oct - 05 Oct Pegasus Airlines direct
01 Oct - 05 Oct Pegasus Airlines direct
12 Oct - 14 Oct Wizz Air UK
18 Oct - 24 Oct Pegasus Airlines direct
25 Oct - 29 Oct Pegasus Airlines
25 Oct - 01 Nov Pegasus Airlines
25 Oct - 29 Oct Pegasus Airlines direct
25 Oct - 01 Nov Turkish 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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.