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

Return flights

23 Sep - 30 Sep	Transavia France	direct
30 Sep - 07 Oct	Transavia France	direct
16 Sep - 23 Sep	Transavia France	direct
09 Sep - 16 Sep	Transavia France	direct
23 Sep - 21 Oct	Transavia France	direct
07 Sep - 16 Sep	Transavia France	direct
07 Sep - 09 Sep	Transavia France	direct
28 Sep - 30 Sep	Wizz Air UK
02 Sep - 07 Sep	Transavia France	direct
17 Sep - 22 Sep	AJet
02 Sep - 09 Sep	Transavia France	direct
19 Sep - 23 Sep	Pegasus Airlines
26 Sep - 24 Oct	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 $118

Return flights