Cheapest return flights from Helsinki to Istanbul in October from 180€

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

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

Return flights

01 Oct - 05 Oct Pegasus Airlines direct
10 Oct - 19 Oct airBaltic
13 Oct - 19 Oct airBaltic
18 Oct - 26 Oct Pegasus Airlines
25 Oct - 02 Nov Pegasus Airlines
17 Oct - 26 Oct Pegasus Airlines
13 Oct - 19 Oct Pegasus Airlines direct
25 Oct - 02 Nov Turkish Airlines direct
18 Oct - 26 Oct Turkish Airlines direct
17 Oct - 26 Oct Turkish Airlines direct
10 Oct - 19 Oct Turkish Airlines direct

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