Cheapest return flights from Istanbul to Helsinki in September from 142€

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

Return flights

03 Sep - 23 Sep Pegasus Airlines direct
03 Sep - 01 Oct Pegasus Airlines direct
03 Sep - 06 Sep Pegasus Airlines direct
03 Sep - 15 Sep Pegasus Airlines direct
03 Sep - 10 Sep Pegasus Airlines direct
13 Sep - 28 Sep Pegasus Airlines direct
23 Sep - 25 Sep Pegasus Airlines direct
05 Sep - 07 Sep Pegasus Airlines direct
25 Sep - 30 Sep Pegasus Airlines direct
02 Sep - 04 Sep Pegasus Airlines direct
05 Sep - 12 Sep Pegasus Airlines direct
22 Sep - 02 Oct Pegasus Airlines

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

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.