Cheapest return flights from Frankfurt to Istanbul in September from $170

AirHint found the following cheapest return flights from Frankfurt (FRA) to Istanbul (SAW) in September 2025 (see full year).

Return flights

20 Sep - 27 Sep Pegasus Airlines direct
22 Sep - 26 Sep Pegasus Airlines direct
24 Sep - 27 Sep Pegasus Airlines direct
17 Sep - 24 Sep Pegasus Airlines direct
20 Sep - 24 Sep Pegasus Airlines direct
20 Sep - 25 Sep Pegasus Airlines direct
23 Sep - 25 Sep Pegasus Airlines direct
13 Sep - 27 Sep Pegasus Airlines direct
16 Sep - 30 Sep AJet direct
04 Sep - 22 Sep AJet direct
22 Sep - 06 Oct AJet direct
25 Sep - 06 Oct AJet direct
23 Sep - 02 Oct Pegasus Airlines direct
01 Sep - 01 Oct Pegasus Airlines direct
25 Sep - 09 Oct Pegasus Airlines direct
25 Sep - 02 Oct Pegasus Airlines direct
30 Sep - 02 Oct Pegasus Airlines direct
13 Sep - 06 Oct AJet direct
19 Sep - 06 Oct AJet direct
27 Sep - 06 Oct AJet direct

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

Skyscanner

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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