AirHint found the following cheapest return flights from Munich (MUC) to Porto (OPO) in August 2025 (see full year).

Return flights

28 Aug - 04 Sep	KLM
31 Aug - 04 Sep	KLM
26 Aug - 04 Sep	KLM
27 Aug - 04 Sep	KLM
24 Aug - 04 Sep	KLM
29 Aug - 09 Sep	KLM
29 Aug - 16 Sep	Vueling Airlines
26 Aug - 09 Sep	KLM
25 Aug - 28 Aug	KLM
31 Aug - 16 Sep	Vueling Airlines
19 Aug - 28 Aug	Air France
26 Aug - 29 Aug	Aer Lingus
27 Aug - 16 Sep	Vueling Airlines
05 Aug - 10 Aug	Condor
21 Aug - 24 Aug	Air Europa
18 Aug - 27 Aug	Air Europa
17 Aug - 29 Aug	TAP
26 Aug - 31 Aug	Aer Lingus
04 Aug - 13 Aug	Vueling Airlines
21 Aug - 31 Aug	Vueling Airlines

Also check the deals for one-way flights from Munich to Porto in August.

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 Porto in August from 193€

Return flights