Cheapest return flights from Frankfurt to Istanbul in September from 129€

AirHint found the following cheapest return flights from Frankfurt (FRA) to Istanbul (IST) in September 2026 (see full year).

Return flights

12 Sep - 22 Sep AJet direct
17 Sep - 21 Sep AJet direct
05 Sep - 21 Sep AJet direct
05 Sep - 22 Sep AJet direct
12 Sep - 18 Sep AJet direct
08 Sep - 18 Sep AJet direct
13 Sep - 19 Sep AJet direct
01 Sep - 16 Sep AJet direct
09 Sep - 16 Sep AJet direct
18 Sep - 23 Sep AJet direct
16 Sep - 01 Oct AJet direct
28 Sep - 22 Oct Ryanair
27 Sep - 04 Oct Pegasus Airlines direct
12 Sep - 04 Oct Pegasus Airlines direct
28 Sep - 07 Oct Air Serbia
24 Sep - 10 Oct AJet direct
16 Sep - 04 Oct Turkish Airlines direct
28 Sep - 22 Oct Pegasus Airlines direct
30 Sep - 10 Oct AJet direct
25 Sep - 02 Oct AJet direct

Also check the deals for one-way flights from Frankfurt 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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