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

Return flights

24 Sep - 08 Oct	Air France
26 Sep - 10 Oct	SWISS	direct
19 Sep - 01 Oct	SWISS	direct
29 Sep - 07 Oct	jetBlue
19 Sep - 24 Sep	Air France
05 Sep - 19 Sep	Spirit Airlines
19 Sep - 26 Sep	SWISS	direct
26 Sep - 03 Oct	SWISS	direct
06 Sep - 18 Oct	Spirit Airlines
17 Sep - 27 Sep	United
18 Sep - 28 Sep	United
17 Sep - 29 Sep	United
19 Sep - 05 Oct	United
12 Sep - 24 Sep	Air France
12 Sep - 19 Sep	Air France
27 Sep - 04 Oct	Air Canada
22 Sep - 10 Oct	Air France
12 Sep - 24 Sep	SWISS	direct
12 Sep - 19 Sep	SWISS	direct
05 Sep - 17 Oct	Avianca

Also check the deals for one-way flights from San Jose to Zurich 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.

Book a cheap hotel in Zurich

Cheap car rent in Zurich

Cheapest return flights from San Jose to Zurich in September from $775

Return flights