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

Return flights

15 Apr - 06 May	Aer Lingus
15 Apr - 29 Apr	Aer Lingus
14 Apr - 27 Apr	SWISS
14 Apr - 29 Apr	Finnair
13 Apr - 27 Apr	Finnair
13 Apr - 28 Apr	Finnair
17 Apr - 02 May	Finnair
17 Apr - 04 May	Finnair
14 Apr - 28 Apr	Finnair
14 Apr - 30 Apr	Finnair
07 Apr - 14 Apr	Finnair
17 Apr - 03 May	Finnair
15 Apr - 30 Apr	Finnair
17 Apr - 30 Apr	Finnair
18 Apr - 04 May	Eurowings
17 Apr - 01 May	Finnair

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

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 April from $844

Return flights