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

Return flights

05 Sep - 27 Sep	Air France
05 Sep - 26 Sep	Air France
05 Sep - 29 Sep	Lufthansa
05 Sep - 28 Sep	Air France
19 Sep - 27 Sep	KLM
23 Sep - 21 Oct	United
07 Sep - 27 Sep	KLM
11 Sep - 22 Sep	KLM
01 Sep - 20 Sep	KLM
07 Sep - 16 Sep	Iberia
04 Sep - 16 Sep	Iberia
25 Sep - 07 Oct	KLM
27 Sep - 12 Oct	British Airways

Also check the deals for one-way flights from Berlin 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 Berlin to San Jose in September from 568€

Return flights