Cheapest return flights from Istanbul to Frankfurt in September from $182

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

Return flights

16 Sep - 20 Sep AJet direct
07 Sep - 13 Sep AJet direct
01 Sep - 09 Sep AJet direct
01 Sep - 08 Sep AJet direct
07 Sep - 12 Sep Air France
01 Sep - 30 Sep Turkish Airlines direct
07 Sep - 12 Sep Turkish Airlines direct
10 Sep - 14 Sep SKY express
10 Sep - 11 Sep SKY express
10 Sep - 18 Sep SKY express
17 Sep - 05 Oct SKY express
24 Sep - 05 Oct SKY express
24 Sep - 12 Oct SKY express
28 Sep - 18 Oct SKY express
30 Sep - 18 Oct SKY express
28 Sep - 05 Oct SKY express
28 Sep - 12 Oct SKY express
30 Sep - 05 Oct SKY express
30 Sep - 12 Oct SKY express
16 Sep - 05 Oct SKY express

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

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