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

Return flights

29 Sep - 07 Oct	jetBlue
29 Sep - 06 Oct	United
19 Sep - 03 Oct	Air Canada
19 Sep - 03 Oct	SWISS	direct
10 Sep - 12 Oct	Spirit Airlines
12 Sep - 24 Sep	Air France
08 Sep - 12 Sep	KLM
19 Sep - 05 Oct	United
11 Sep - 21 Sep	Air France
01 Sep - 05 Sep	KLM
22 Sep - 10 Oct	United
18 Sep - 02 Oct	United
05 Sep - 17 Sep	SWISS	direct
19 Sep - 26 Sep	Air France
03 Sep - 26 Sep	United
12 Sep - 24 Sep	SWISS	direct
03 Sep - 12 Sep	SWISS

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 730€

Return flights