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

Return flights

25 Sep - 08 Oct	United
17 Sep - 08 Oct	KLM
29 Sep - 13 Oct	United
22 Sep - 29 Sep	United
18 Sep - 01 Oct	Air Canada
18 Sep - 12 Oct	SunExpress
21 Sep - 11 Oct	Condor
20 Sep - 27 Sep	United
21 Sep - 28 Sep	United
19 Sep - 08 Oct	Air France
20 Sep - 03 Oct	easyJet
23 Sep - 29 Sep	Air France

Also check the deals for one-way flights from Munich to San Jose 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 San Jose in September from 594€

Return flights