AirHint found the following cheapest return flights from Amsterdam (AMS) to San Jose (SJO) in September 2026 (see full year).

Return flights

05 Sep - 19 Sep	Air Canada
04 Sep - 26 Sep	Air Canada
05 Sep - 26 Sep	Air Canada
02 Sep - 26 Sep	Air Canada
02 Sep - 23 Sep	Air Canada
08 Sep - 20 Sep	Air Canada
10 Sep - 26 Sep	Air Canada
01 Sep - 19 Sep	Air Canada
03 Sep - 22 Sep	KLM	direct
03 Sep - 17 Sep	KLM	direct
15 Sep - 06 Oct	KLM
14 Sep - 05 Oct	Air France
30 Sep - 01 Oct	Iberia

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 548€

Return flights