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

Return flights

20 Sep - 27 Sep	Ryanair
19 Sep - 03 Oct	SWISS
13 Sep - 21 Sep	Ryanair
11 Sep - 22 Sep	Wizz Air Malta
19 Sep - 21 Sep	Ryanair
18 Sep - 21 Sep	Ryanair
11 Sep - 14 Sep	Air France
12 Sep - 16 Sep	Air France
08 Sep - 20 Sep	KLM
09 Sep - 16 Sep	Air France
15 Sep - 19 Sep	Lufthansa

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 590€

Return flights