AirHint found the following cheapest return flights from Zurich (ZRH) to San Jose (SJO) in August 2025 (see full year).

Return flights

29 Aug - 14 Sep	United
29 Aug - 12 Sep	United
31 Aug - 12 Sep	Air France
30 Aug - 13 Sep	Condor
22 Aug - 05 Sep	Condor
23 Aug - 06 Sep	TAP
25 Aug - 31 Aug	United
24 Aug - 03 Sep	Condor
29 Aug - 31 Aug	United
19 Aug - 31 Aug	Air France
24 Aug - 31 Aug	Condor
23 Aug - 31 Aug	United
23 Aug - 13 Sep	easyJet
23 Aug - 30 Aug	Condor
22 Aug - 01 Sep	SWISS
20 Aug - 27 Aug	United
27 Aug - 29 Aug	Condor
23 Aug - 24 Aug	KLM
29 Aug - 12 Sep	SWISS	direct
22 Aug - 29 Aug	SWISS

Also check the deals for one-way flights from Zurich to San Jose 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 Zurich to San Jose in August from $837

Return flights