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

Return flights

08 Sep - 12 Sep	Lufthansa	direct
12 Sep - 14 Sep	SWISS	direct
12 Sep - 13 Sep	SWISS	direct
18 Sep - 21 Sep	Lufthansa	direct
08 Sep - 21 Sep	Vueling Airlines
12 Sep - 21 Sep	Vueling Airlines
04 Sep - 21 Sep	Vueling Airlines
04 Sep - 07 Sep	Vueling Airlines
24 Sep - 26 Sep	Lufthansa
08 Sep - 14 Sep	Vueling Airlines
24 Sep - 12 Oct	Vueling Airlines
18 Sep - 04 Oct	Vueling Airlines
19 Sep - 04 Oct	Vueling Airlines
24 Sep - 04 Oct	Vueling Airlines

Also check the deals for one-way flights from Munich 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 Munich to Basel in September from 191€

Return flights