AirHint found the following cheapest return flights from Istanbul (IST) to Strasbourg (SXB) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep	Transavia France	direct
16 Sep - 23 Sep	Transavia France	direct
16 Sep - 30 Sep	Transavia France	direct
09 Sep - 11 Sep	Transavia France
07 Sep - 16 Sep	Transavia France	direct
07 Sep - 09 Sep	Transavia France	direct
09 Sep - 14 Sep	Transavia France
02 Sep - 07 Sep	Transavia France	direct
25 Sep - 28 Sep	Wizz Air UK
28 Sep - 05 Oct	Wizz Air UK
04 Sep - 11 Sep	Pegasus Airlines

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

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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Cheapest return flights from Istanbul to Strasbourg in September from 105€

Return flights