Cheapest return flights from Florence to Istanbul in September from $223

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

Return flights

18 Sep - 25 Sep Lufthansa
23 Sep - 26 Sep Vueling Airlines
03 Sep - 09 Sep Air France
08 Sep - 17 Sep Air France
27 Sep - 04 Oct Volotea
05 Sep - 08 Sep Volotea
01 Sep - 06 Sep Air France
19 Sep - 02 Oct Vueling Airlines
19 Sep - 26 Sep Vueling Airlines
04 Sep - 05 Sep Eurowings
10 Sep - 26 Sep Vueling Airlines
19 Sep - 10 Oct Vueling Airlines
10 Sep - 18 Sep Vueling Airlines
19 Sep - 06 Oct Vueling Airlines
19 Sep - 03 Oct Vueling Airlines
19 Sep - 09 Oct Vueling Airlines
21 Sep - 02 Oct Vueling Airlines
21 Sep - 11 Oct Vueling Airlines
21 Sep - 10 Oct Vueling Airlines
19 Sep - 04 Oct Vueling Airlines

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

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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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