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

Return flights

31 Oct - 23 Nov	Air France
31 Oct - 10 Nov	Air France
30 Oct - 09 Nov	Air France
05 Oct - 20 Oct	Air France
31 Oct - 21 Nov	Air France
31 Oct - 22 Nov	Air France
10 Oct - 22 Oct	SWISS
13 Oct - 22 Oct	Iberia
05 Oct - 19 Oct	Iberia
11 Oct - 30 Oct	Lufthansa
13 Oct - 24 Oct	Air France
11 Oct - 25 Oct	Lufthansa

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 634€

Return flights