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

Return flights

08 Sep - 04 Oct	Air France
14 Sep - 29 Sep	Lufthansa
03 Sep - 14 Sep	Lufthansa
03 Sep - 17 Sep	Lufthansa
04 Sep - 17 Sep	SWISS
13 Sep - 27 Sep	KLM
01 Sep - 22 Sep	Air France
02 Sep - 17 Sep	Lufthansa
16 Sep - 28 Sep	United
02 Sep - 14 Sep	Lufthansa
19 Sep - 10 Oct	KLM
30 Sep - 10 Oct	KLM
01 Sep - 11 Sep	Iberia
25 Sep - 10 Oct	Finnair
19 Sep - 03 Oct	Transavia France

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 $714

Return flights