Cheapest return flights from Duesseldorf to San Jose in September from $609

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

Return flights

23 Sep - 10 Oct SWISS
09 Sep - 30 Sep SWISS
11 Sep - 25 Sep Air France
13 Sep - 20 Sep Air Canada
20 Sep - 10 Oct KLM
01 Sep - 29 Sep KLM
30 Sep - 04 Oct Eurowings
12 Sep - 20 Sep Lufthansa
03 Sep - 21 Sep Ryanair

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

Skyscanner

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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