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

Return flights

22 Sep - 13 Oct	SWISS
22 Sep - 29 Sep	SWISS
29 Sep - 03 Oct	SWISS
22 Sep - 30 Sep	SWISS
26 Sep - 29 Sep	SWISS
16 Sep - 17 Sep	Lufthansa
16 Sep - 19 Sep	Lufthansa
24 Sep - 26 Sep	SWISS
26 Sep - 30 Sep	SWISS
22 Sep - 26 Sep	SWISS
22 Sep - 25 Sep	SWISS
23 Sep - 25 Sep	ITA Airways
05 Sep - 03 Oct	SWISS
28 Sep - 05 Oct	KLM
28 Sep - 08 Oct	KLM
21 Sep - 01 Oct	SWISS
28 Sep - 06 Oct	SWISS
26 Sep - 05 Oct	SWISS
27 Sep - 04 Oct	SWISS

Also check the deals for one-way flights from London to Skopje 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 London to Skopje in September from $348

Return flights