AirHint found the following cheapest return flights from Duesseldorf (DUS) to San Jose (SJO) in October 2025 (see full year).

Return flights

26 Oct - 06 Nov	Air Canada
23 Oct - 07 Nov	Lufthansa
29 Oct - 19 Nov	Air Canada
29 Oct - 18 Nov	Air Canada
01 Oct - 05 Oct	Ryanair
05 Oct - 18 Oct	Air Canada
02 Oct - 06 Oct	Lufthansa
28 Oct - 20 Nov	Air France
03 Oct - 17 Oct	Air France
31 Oct - 23 Nov	Air France
31 Oct - 22 Nov	Air France
31 Oct - 20 Nov	Air France
13 Oct - 19 Oct	Lufthansa
13 Oct - 23 Oct	Lufthansa
04 Oct - 14 Oct	Lufthansa
13 Oct - 24 Oct	KLM

Also check the deals for one-way flights from Duesseldorf to San Jose in October.

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 Duesseldorf to San Jose in October from 503€

Return flights