AirHint found the following cheapest return flights from Munich (MUC) to Skiathos (JSI) in September 2025 (see full year).

Return flights

29 Sep - 13 Oct	Condor
29 Sep - 08 Oct	Condor
29 Sep - 06 Oct	Condor
29 Sep - 02 Oct	Condor
22 Sep - 29 Sep	Condor
29 Sep - 05 Oct	Condor
29 Sep - 07 Oct	Condor
22 Sep - 30 Sep	Condor
29 Sep - 13 Oct	Condor	direct
22 Sep - 28 Sep	Condor
24 Sep - 01 Oct	Condor
28 Sep - 02 Oct	SKY express
23 Sep - 30 Sep	Aegean Airlines
24 Sep - 26 Sep	Condor
29 Sep - 06 Oct	Condor	direct
22 Sep - 29 Sep	Condor	direct

Also check the deals for one-way flights from Munich to Skiathos 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 Munich to Skiathos in September from 125€

Return flights