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

Return flights

18 Sep - 22 Sep	Aegean Airlines
11 Sep - 16 Sep	Aegean Airlines
29 Sep - 06 Oct	Aegean Airlines
09 Sep - 17 Sep	Aegean Airlines
28 Sep - 02 Oct	SKY express
28 Sep - 16 Oct	SKY express
11 Sep - 14 Sep	Aegean Airlines
02 Sep - 02 Sep	Aegean Airlines
09 Sep - 12 Sep	Aegean Airlines
17 Sep - 19 Sep	SKY express
28 Sep - 05 Oct	SKY express
18 Sep - 21 Sep	Aegean Airlines
08 Sep - 10 Sep	Aegean Airlines
02 Sep - 04 Sep	Aegean Airlines
28 Sep - 11 Oct	SKY express

Also check the deals for one-way flights from Rhodos 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 Rhodos to Istanbul in September from 172€

Return flights