Cheapest return flights from Frankfurt to Istanbul in September from $144

Best time to book flights for Frankfurt (FRA) to Istanbul (SAW) flights at AirHint

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

Return flights

03 Sep - 17 Sep Pegasus Airlines direct
15 Sep - 30 Sep Pegasus Airlines direct
22 Sep - 30 Sep Pegasus Airlines direct
17 Sep - 19 Sep Pegasus Airlines direct
11 Sep - 20 Sep Pegasus Airlines direct
15 Sep - 28 Sep AJet direct
20 Sep - 27 Sep AJet direct
12 Sep - 16 Sep Pegasus Airlines direct
22 Sep - 27 Sep AJet direct
22 Sep - 24 Sep AJet direct
19 Sep - 03 Oct AJet direct
24 Sep - 01 Oct Pegasus Airlines direct
10 Sep - 01 Oct Pegasus Airlines direct
11 Sep - 04 Oct Pegasus Airlines direct
28 Sep - 03 Oct AJet
27 Sep - 03 Oct AJet
26 Sep - 01 Oct AJet
27 Sep - 04 Oct AJet
28 Sep - 04 Oct AJet
26 Sep - 01 Oct Pegasus Airlines 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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