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

Return flights

18 Sep - 02 Oct	Air Canada
30 Sep - 07 Oct	SWISS
05 Sep - 21 Sep	Air Canada
11 Sep - 22 Sep	Wizz Air Malta
09 Sep - 30 Sep	United
12 Sep - 26 Sep	United
18 Sep - 30 Oct	United
11 Sep - 14 Sep	United
24 Sep - 05 Oct	United
12 Sep - 14 Sep	Ryanair
13 Sep - 27 Sep	United
14 Sep - 24 Sep	United
27 Sep - 04 Oct	United
04 Sep - 25 Sep	Ryanair
18 Sep - 31 Oct	United
13 Sep - 25 Sep	Air France

Also check the deals for one-way flights from Vienna 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 Vienna to San Jose in September from 587€

Return flights