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

Return flights

23 Sep - 14 Oct	Lufthansa
26 Sep - 17 Oct	Lufthansa
25 Sep - 16 Oct	SWISS
17 Sep - 24 Sep	Air France
18 Sep - 30 Sep	Lufthansa
12 Sep - 26 Sep	Air Canada
05 Sep - 15 Sep	Lufthansa
25 Sep - 05 Oct	United
30 Sep - 26 Oct	United
20 Sep - 30 Sep	Lufthansa
11 Sep - 23 Sep	Lufthansa
23 Sep - 30 Sep	Lufthansa
15 Sep - 28 Sep	Lufthansa
23 Sep - 07 Oct	Lufthansa
25 Sep - 09 Oct	United
09 Sep - 23 Sep	Lufthansa
09 Sep - 24 Sep	Lufthansa
15 Sep - 04 Oct	Lufthansa
20 Sep - 03 Oct	Lufthansa
25 Sep - 04 Oct	United

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 $592

Return flights