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

Return flights

02 Sep - 09 Sep	Transavia France	direct
02 Sep - 23 Sep	Transavia France	direct
23 Sep - 30 Sep	Transavia France	direct
07 Sep - 23 Sep	Transavia France	direct
09 Sep - 16 Sep	Transavia France	direct
28 Sep - 30 Sep	easyJet
08 Sep - 16 Sep	Volotea
08 Sep - 09 Sep	Volotea
24 Sep - 28 Sep	easyJet
01 Sep - 11 Sep	Volotea

Also check the deals for one-way flights from Strasbourg to Istanbul 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 Strasbourg to Istanbul in September from 98€

Return flights