Cheapest one-way flights from Helsinki to Istanbul in September from 69€

AirHint found the following cheapest one-way flights from Helsinki (HEL) to Istanbul (IST) in September 2026 (see full year).

One-Way flights

20 Sep Pegasus Airlines direct
21 Sep Pegasus Airlines direct
12 Sep Pegasus Airlines direct
18 Sep Pegasus Airlines direct
11 Sep Pegasus Airlines direct
28 Sep Pegasus Airlines direct
27 Sep Pegasus Airlines direct
03 Sep Norwegian Air Sweden AOC
03 Sep Turkish Airlines direct

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

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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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