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

Return flights

30 Sep - 05 Oct	Austrian Airlines
25 Sep - 29 Sep	AJet
24 Sep - 01 Oct	Pegasus Airlines
22 Sep - 29 Sep	Pegasus Airlines
26 Sep - 28 Sep	Austrian Airlines
25 Sep - 30 Sep	Austrian Airlines
27 Sep - 30 Sep	Austrian Airlines
29 Sep - 02 Oct	Pegasus Airlines
26 Sep - 29 Sep	Austrian Airlines
19 Sep - 22 Sep	AJet
23 Sep - 30 Sep	Austrian Airlines
19 Sep - 03 Oct	Austrian Airlines
30 Sep - 30 Sep	Pegasus Airlines
19 Sep - 29 Sep	Austrian Airlines

Also check the deals for one-way flights from Skopje to Basel 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 Basel in September from $195

Return flights