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

Return flights

17 Sep - 26 Sep	Condor
17 Sep - 24 Sep	Condor
14 Sep - 21 Sep	Condor
21 Sep - 30 Oct	Condor
20 Sep - 10 Oct	easyJet
19 Sep - 12 Oct	Iberia
10 Sep - 17 Sep	Condor
22 Sep - 11 Oct	easyJet
23 Sep - 28 Sep	Air Europa
11 Sep - 30 Sep	TAP
11 Sep - 28 Sep	TAP
18 Sep - 27 Sep	TAP
19 Sep - 03 Oct	TAP
19 Sep - 10 Oct	TAP
19 Sep - 26 Sep	TAP
18 Sep - 25 Sep	TAP
27 Sep - 05 Oct	United
26 Sep - 10 Oct	Condor
26 Sep - 11 Oct	United
27 Sep - 09 Oct	easyJet

Also check the deals for one-way flights from Zurich 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 Zurich to San Jose in September from 572€

Return flights