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

Return flights

17 Sep - 24 Sep	AJet	direct
10 Sep - 15 Sep	AJet	direct
24 Sep - 30 Sep	AJet	direct
16 Sep - 23 Sep	Pegasus Airlines	direct
16 Sep - 25 Sep	Pegasus Airlines	direct
11 Sep - 14 Sep	Pegasus Airlines	direct
16 Sep - 24 Sep	Pegasus Airlines	direct
22 Sep - 27 Sep	Pegasus Airlines	direct
03 Sep - 10 Sep	Pegasus Airlines	direct
18 Sep - 21 Sep	Pegasus Airlines	direct

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

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 Skopje to Istanbul in September from 69€

Return flights