Cheapest return flights from Frankfurt to Istanbul in September from $151

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

23 Sep - 30 Sep Pegasus Airlines direct
22 Sep - 30 Sep Pegasus Airlines direct
17 Sep - 30 Sep Pegasus Airlines direct
16 Sep - 23 Sep AJet direct
18 Sep - 23 Sep AJet direct
05 Sep - 20 Sep AJet direct
01 Sep - 30 Sep AJet direct
06 Sep - 22 Sep AJet direct
20 Sep - 22 Sep AJet direct
19 Sep - 22 Sep AJet direct
20 Sep - 06 Oct AJet direct
19 Sep - 06 Oct AJet direct
21 Sep - 03 Oct Pegasus Airlines direct
26 Sep - 01 Oct AJet
27 Sep - 02 Oct AJet direct
30 Sep - 03 Oct Pegasus Airlines direct
22 Sep - 04 Oct Pegasus Airlines direct
05 Sep - 07 Oct AJet direct
29 Sep - 06 Oct AJet direct
29 Sep - 01 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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