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

Return flights

18 Sep - 29 Sep	easyJet
20 Sep - 30 Sep	easyJet
01 Sep - 30 Sep	easyJet
23 Sep - 30 Sep	easyJet
24 Sep - 30 Sep	easyJet
15 Sep - 29 Sep	easyJet
15 Sep - 24 Sep	easyJet
29 Sep - 02 Oct	easyJet
16 Sep - 25 Sep	easyJet
09 Sep - 15 Sep	easyJet
13 Sep - 20 Sep	easyJet
25 Sep - 01 Oct	easyJet
29 Sep - 03 Oct	easyJet
25 Sep - 03 Oct	easyJet
26 Sep - 02 Oct	easyJet
25 Sep - 06 Oct	easyJet
22 Sep - 09 Oct	easyJet
25 Sep - 05 Oct	easyJet
29 Sep - 06 Oct	easyJet
30 Sep - 10 Oct	easyJet

Also check the deals for one-way flights from Milan 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 Milan to Istanbul in September from $169

Return flights