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

Return flights

24 Sep - 02 Oct	Air Canada
17 Sep - 24 Sep	Air Canada
26 Sep - 09 Oct	Air Canada
25 Sep - 02 Oct	Air Canada
26 Sep - 02 Oct	Air Canada
26 Sep - 04 Oct	Air Canada
23 Sep - 01 Oct	Air Canada
26 Sep - 28 Sep	Air Canada
12 Sep - 28 Sep	Air Canada
30 Sep - 09 Oct	Air Canada
19 Sep - 03 Oct	Air Canada
30 Sep - 13 Oct	Air Canada
25 Sep - 01 Oct	Air Canada
22 Sep - 28 Sep	Air Canada
02 Sep - 19 Sep	SWISS
12 Sep - 26 Sep	SWISS
05 Sep - 19 Sep	SWISS
03 Sep - 17 Sep	SWISS
16 Sep - 28 Sep	Air Canada
14 Sep - 28 Sep	United

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to San Jose in September from 514€

Return flights