Cheapest return flights from Istanbul to Frankfurt in September from $226

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

Return flights

07 Sep - 13 Sep Turkish Airlines direct
12 Sep - 20 Sep Turkish Airlines direct

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