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

Return flights

01 Aug - 31 Aug	TAROM
25 Aug - 30 Aug	AJet	direct
24 Aug - 30 Aug	AJet
25 Aug - 29 Aug	AJet	direct
03 Aug - 07 Aug	TAROM
10 Aug - 15 Aug	TAROM
02 Aug - 20 Aug	Pegasus Airlines
01 Aug - 15 Aug	Pegasus Airlines
24 Aug - 30 Aug	AJet	direct
03 Aug - 07 Aug	Lufthansa	direct
26 Aug - 09 Sep	SKY express
26 Aug - 14 Sep	SKY express
26 Aug - 11 Sep	SKY express
24 Aug - 09 Sep	SKY express
24 Aug - 14 Sep	SKY express
24 Aug - 11 Sep	SKY express
28 Aug - 09 Sep	SKY express
28 Aug - 14 Sep	SKY express
28 Aug - 11 Sep	SKY express
19 Aug - 09 Sep	SKY express

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

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 Istanbul to Frankfurt in August from 154€

Return flights