AirHint found the following cheapest return flights from Duesseldorf (DUS) to San Jose (SJO) in May 2026 (see full year).

Return flights

31 May - 10 Jun	Air Canada
07 May - 18 May	SWISS
30 May - 10 Jun	Air France
27 May - 03 Jun	Air France
17 May - 29 May	Air France
08 May - 25 May	Air France
17 May - 28 May	Air France
13 May - 25 May	KLM
06 May - 22 May	KLM
09 May - 22 May	Air France
24 May - 07 Jun	Air France
22 May - 06 Jun	Air France
31 May - 09 Jun	Air France
23 May - 06 Jun	Air France
13 May - 26 May	Air France

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

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 May from $632

Return flights